Danfoss ICAD 600A Actuator Installation Guide

Danfoss ICAD 600A Actuator

Specifications

• Product Name: Actuator Type ICAD 600A / ICAD 600A-TS / ICAD 1200A
• Supply Voltage: 24 V DC
• Load: ICAD 600A, ICAD 600A-TS: 1.2 A, ICAD 1200A: 2.0 A
• Cable Length Options: 1.5m, 3m, 10m, 15m

Product Usage Instructions

Installation
Do not install ICAD before welding. This applies to both electrical and mechanical installation processes. Note that when ICAD is connected to 24 V DC, it may emit acoustic noise at standstill, which does not affect its operation.

Compatibility
ICAD 600A, ICAD 600A-TS, and ICAD 1200A are compatible with the following Danfoss valves: ICM 20, ICM 25, ICM 32, ICM 40, ICM 50, ICM 65, ICM 100, ICM 125, ICM 150, ICMTS 20, ICMTS 50, and ICMTS 80. Electrical Data
The supply voltage is galvanically isolated from the input/output. Ensure a supply voltage of 24 V DC within specified tolerances. ICAD 600A, ICAD 600A-TS load: 1.2 A, ICAD 1200A load: 2.0 A. Cable Voltage Drop Consideration
When determining cable length and transformer size, ensure the voltage at the ICAD terminal box remains within the range of Min. 21 V DC to Max. 24 V DC for all cable lengths. FAQ

1. What should be considered before installing ICAD?
   Prior to installation, do not install ICAD before welding and make sure to follow both mechanical and electrical installation guidelines. Note the potential for acoustic noise when connected to 24 V DC.

2. Which valves are compatible with ICAD?
   ICAD 600A, ICAD 600A-TS, and ICAD 1200A can be used with Danfoss valves including ICM series and ICMTS series.

3. What is the recommended supply voltage?
   The recommended supply voltage for ICAD is 24 V DC. Ensure the voltage is within specified tolerances for optimal performance.

4. How to address cable voltage drop issues?
   To prevent voltage drop issues, calculate the appropriate cable cross- section and transformer size to maintain voltage within the specified range at the ICAD terminal box for all cable lengths.

ICAD 600A/600A-TS/1200A – Digital I/O for ON/OFF valve operation

Installation
Do not install ICAD before welding. This apply for electrical as well as for mechanical installation. Please observe that ICAD when connected to 24 V DC, will send out acoustic noise at stand still. This has no influence on the function/ operation of the ICAD.

NOTE!
If media temperature is lower than -30 °C (-22 °F) it is mandatory to set parameter ¡30 and ¡31.
See separate document attached in ICAD box: document number AN285243155312

Use

ICAD 600A, ICAD 600A-TS and ICAD 1200A can be used together with the following Danfoss valves (fig. 1, 5a and 5b).

Electrical data

Supply voltage is galvanically isolated from in-/output.

Supply voltage
24 V DC (Tolerances; see below table)
Load  ICAD 600A, ICAD 600A-TS: 1.2 A ICAD 1200A: 2.0 A

24 Volt DC ONLY
Please observe cable voltage drop. Distance between the applied DC transformer and the ICAD terminal box may cause a voltage drop. Cross section of cables and size of DC transformer must be calculated so that the voltage at all time at the ICAD terminal box*, both during standstill and during operation of ICAD, is within this range:

Prefabricated ICAD cable length Code number| 1.5 m 027H0426| 3 m 027H0438| 10 m 027H0427| 15 m 027H0435
---|---|---|---|---
Voltage ICAD terminal (600A/1200A) [V DC]| Min.| 21| 22| 23| 24
Max.| | 26.4| |

• Do not measure inside the ICAD itself.

Fail safe supply
24 V DC (Tolerances; see table above)

• Load  ICAD 600A, ICAD 600A-TS: 1.2 A ICAD 1200A: 2.0 A

• Anolog Input – Current or Voltage

• Current 0/4 – 20 mA

• Load: 200 Ω

• Voltage
  0/2 – 10 V DC

• Load: 10 kΩ

• Analog Output
  0/4 – 20 mA

• Load: ≤ 250 Ω

• Digital Input – Digital ON/OFF input by means of voltfree contact (Signal/Telecom relays with gold-plated contacts recommended) – Voltage input used ON: Contact impedance < 50 W)

• OFF: Contact impedance > 100 kW
  Digital Output – 3 pcs. NPN transistor output External supply: 5 – 24 V DC (same supply as for ICAD can be used, but please note that the galvanically isolated system will then be spoiled).

• Output load: 50 Ω

• Load:  Max. 50 mA

Temperature range (ambient)
-30 °C/+50 °C (-22 °F/122 °F)

Enclosure
IP67 (~NEMA 6)

Electrical connection
Connection to ICAD is done via M12 connectors. ICAD has two M12 male connectors build-in: Power supply: 4 poled M12 male connector Control signals: 8 poled M12 male connector
If ICAD is delivered with cables (1.5 m. (60 in.)) M12 female connectors: (Cable set with M12 female connectors in other lengths are available) Power Supply cable with 4 poled M12 female connector 3 x 0.34 mm2 (3 x ~22 AWG) (fig. 6)

ICAD 600A / ICAD 600A˜TS / ICAD 1200A

Uninterruptible Power Supply

• I: Black (+) 19 – 24 V DC fail safe supply (optional).
• II: White (+) 24 V DC
• III: Brown (–) 24 V DC
• Control cable with 8 poled M12 female connector 7 x 0.25 mm2 (7 x ~24 AWG) (fig. 7)

ICAD 600A/1200A – Analog I/O for modulating control

• A: Black (–) Digital output.
  Common Alarm.

• B: Brown (–) Digital output.
  ICM fully open.

• C: Red (–) Digital output.
  ICM fully closed.

• D: Orange (–) GND – Ground.

• E: Yellow (+) Analog input 0/4 – 20 mA. *)

• F: Green (+) Analog input 0/2 – 10 V / DI1 – Digital ON/OFF input.

• G: Blue (+) Analog output 0/4 – 20 mA. )
  ) If Neutral zone / 3 point control is selected (parameter i02 = 3) then E and G is used as DI2 – Digital ON/OFF input. Se fig. 9.

Neutral zone/3 points control

Electrical installation

General procedure for ICAD 600A/ICAD
600A-TS/1200A installed on all ICM, ICMTS & CVE valves. All necessary electrical connections to be made. ICM valve: Analog or digital operation CVE/ICMTS valve: Analog only
Fig. 6 Analog operation – 7 wired cable (A-G) Modulation control. Valve to be controlled from Danfoss electronics, type EKC/EKE (fig. 7), or third party electronics (like e.g. PLC).
Connect analog input signals. Currrent (mA) or Voltage (V). See Parameter list for configuration of analog input signals. Yellow (+) and Orange (GND) are used for current (mA) input. Green (+) and Orange (GND) are used for Voltage (V) input. Blue (+) and Orange (GND) are used for current (mA) output (optional, not mandatory). Digital operation – 7 wired cable (A-G) ON/OFF ICM solenoid valve operation. ICM valve to be controlled by means of a digital voltfree contact. Connect digital input signals (fig. 8). See Parameter list for configuration of digital input signals. Green (+) and Orange (GND) are connected to a voltfree contact. Digital output signals are optional, not mandatory. Black (–) and Orange (GND) are connected to auxiliary relay for Common Alarm. Brown (–) and Orange (GND) are connected to an auxiliary relay indicating ICM fully open. Red (–) and Orange (GND) are connected to an auxiliary relay indicating ICM fully closed. Supply voltage – 3 wired cable (I, II, III) ICAD must be connected to a normal 24 V DC supply. As an option, a fail safe supply is possible by means of a battery or UPS (Uninterruptible Power Supply). When voltage is applied as described below, ICAD is ready to be configurated. See Parameter list. ICAD configuration can be done independently whether the ICAD is installed on the valve or not. See Mechanical installation. Connect the White (+) and Brown (–) to a 24 V DC supply voltage (fig. 6). Fail safe supply as an option (not mandatory). Connect the Black (+) and Brown (–) to a fail safe supply.

Mechanical installation

General procedure for ICAD 600A/ICAD 600A-TS/1200A installed on all valves (fig. 3).

Check that the three socket set screws are fully unscrewed counter clockwise with a 2.5 mm Hexagon key. Mount ICAD by slowly lowering it on top of the valve. The magnet coupling will drag the valve and ICAD together and in position. Push ICAD in place. Fasten valve and ICAD with the three socket set screws using a 2.5 mm Hexagon key. Special moisture seal is damaged if screws are removed (fig. 3, pos. A) Neutral zone / 3 point control (fig. 9 – ICM only) ¡02 = 3 When ¡02 = 3 the factory setting of ¡04 (opening) and ¡14 (closing) are both set to 10. When ¡02 = 3 the speed given by ¡04 (opening) and ¡14 (closing) are active

• ¡13 (Inverse operation) is active
• ¡16 = 1 (Encoder operation enable) is active.
• ¡13 = 0 (Direct operation)
• DI1 = DI2 = OFF
• ICAD/ICM maintain current position
• DI1 = DI2 = ON
• ICAD/ICM maintain current position
• DI1 = ON, DI2 = OFF
• ICAD increase opening degree
• DI1 = OFF, DI2 = ON
• ICAD decrease opening degree
• ¡13 = 1 (Inverse operation)
• DI1 = DI2 = OFF
• ICAD maintain current position
• DI1 = DI2=ON
• ICAD maintain current position
• DI1 = ON, DI2 = OFF
• ICAD decrease opening degree
• DI1 = OFF, DI2 = ON
• ICAD increase opening degree

Startup

When voltage is applied for the first time the display on the ICAD (fig. 2) will alternate between showing: Actual opening degree and A1.

A1 indicates an alarm which corresponds to: No valve selected. See Alarms for further information. Please observe that when the correct valve is entered in parameter ¡26 (see Parameter list) an automatic calibration is carried out. I.e it is not necessary to carry out another calibration in parameter ¡05. During calibration “CA” will be flashing in the display. The ICAD will briefly display “CS” every time the valve is going to close and reach 0%.

General Operation

ICAD is equipped with an MMI (Man Machine Interface) from which it is possible to see and change different parameters to adapt the ICAD and the corresponding valve to the actual refrigeration application. The operation of parameters is done by means of the integrated ICAD MMI (fig. 2) and consists of:

Down arrow push button (fig. 2, pos. 1) decreases parameter number by 1 for each activation Enter push button (fig. 2, pos. 2) Gives access to the Parameter list by keeping the push button activated for 2 seconds.

A Parameter list is shown below (parameter ¡08):

Gives access to change a value once the Parameter list has been accessed. Acknowledge and save change of value of a parameter. To exit from the Parameter list and return to the display of Opening Degree (OD) keep the push button activated for 2 seconds. Up arrow push button (fig. 2, pos. 3) Increases parameter number by 1 for each activation Display (fig. 2, pos. 4) Normally the Opening Degree (OD) 0 – 100 % of the valve is displayed. No activation of push buttons for 20 seconds means that the display will always show OD. Like below:

• Displays the parameter
• Displays the actual value of a parameter.
• Displays the status by means of text (fig. 2, pos. 4).
• Mod represents that ICAD is positioning the ICM, ICMTS or CVE valve according to an analog input signal (Current or Voltage).
• Low represents that ICAD is operating the ICM valve like an ON/OFF solenoid valve with low speed according to a digital input signal.
• Med represents that ICAD is operating the ICM valve like an ON/OFF solenoid valve with medium speed according to a digital input signal.
• High represents that ICAD is operating the ICM valve like an ON/OFF solenoid valve with high speed according to a digital input signal. Like below:

Alarms

• ICAD can handle and display different alarms.
• If an alarm has been detected the display at ICAD (fig. 2) will alternate between showing actual alarm and present Opening Degree.
• If more than one alarm is active at the same time only the alarm with the highest priority will appear. A1 has the highest priority, A9 the lowest.
• Any active alarm will activate the Common Digital Alarm output (Normally Open).
• All alarms will automatically reset them-selves when they physically disappear.
• Old alarms (alarms that have been active, but have physically disappeared again) can be found in parameter ¡11.

Disposal Note

The Product contains electrical components And may not be disposed together with domestic waste.
Equipment must be separate collected with Electrical and Electronic waste. According to Local and currently valid legislation.

Description| ICAD alarm text| Definition of event| Comments
---|---|---|---
No Valve type selected| A1| Alarm ON| At start-up A1 will be displayed
Controller fault| A2| Alarm ON| Internal fault inside electronics. Carry out:

1. Power OFF and Power ON If A2 still active.
2.  Make a Reset to factory setting

If A2 still active. Return ICAD to Danfoss

AI input error| A3| Alarm ON| Not active if ¡01 = 2, or ¡02 = 2 When ¡03 = 1 and AI A > 22 mA When ¡03 = 2 and AI A > 22 mA or AI A < 2 mA When ¡03 = 3 and AI A > 12 V When ¡03 = 4 and AI A > 12 V or AI A < 1 V
Low voltage of fail safe Supply| A4| Alarm ON| If 5 V < fail safe supply

<18 V. Enabled by ¡08

Check supply to ICAD| A5| Alarm ON| If supply voltage < 18 V
Calibration extended failed| A6| Alarm ON| Check valve type selected.

Check presence of foreign body internally in valve

Internal temperature alarm| A7| Alarm ON| Temperature for stepper motor component too high. Ventilate/lower ambient ICAD temperature
A8| Alarm ON| Temperature for stepper motor component too high. Ventilate/lower ambient ICAD temperature.
POM mode (Preventive Operational Mode)|

A9

| See ¡18 and ¡21| Only active if ¡16 = 1 If ICAD meets too high torque from ICM valve (increased friction/sticking surfaces) ICAD automatic goes into POM mode to overcome lost step. (See ¡18 and ¡21 )

Parameter list – Valid from: (¡58:14, ¡59:45) and onwards

The first parameter to be entered shall be: ¡26

Description| ICAD
parameter| Min| Max| Factory Setting| Stored| Unit| Pass word| Comments
---|---|---|---|---|---|---|---|---
**OD (Opening degree)| ** –| 0| 100| | | %| –| ICM/ICMTS valve Opening Degree (CVE pressure setting) is displayed during normal operation. Running display value (see ¡01 , ¡05 ).
**Main Switch| ****¡01| ** 1| 2| 1| ✔| –| No| Internal main switch 1: Normal operation
2: Manual operation. Valve Opening Degree will be flashing. With the down arrow and the up arrow push buttons the OD can be entered manually.
**Mode| ****¡02| ** 1| 2| 1| ✔| –| ** No| Operation mode
1: Modulating – ICM, ICMTS & CVE positioning according to Analog Input (see ¡03 ) 2: ON/OFF – ICM only. Operating the ICM valve like an ON/OFF solenoid valve controlled via Digital Input. See also ¡09. 3: Neutral zone / 3 point control – ICM only. Increase/Decrease Opening Degree by Digital Input. See fig. 9
****AI signal| ****¡03| ** 1| 4| 2| ✔| –| ** No| Type of AI signal from external controller 1: 0 – 20 mA
2: 4 – 20 mA
3: 0 – 10 V
4: 2 – 10 V
Speed In Modulating Mode Opening/closing speed In ON/OFF Mode Opening speed In Neutral zone/ 3 point control Opening speed = 10| ****¡04| 1| ** 100| 50/ 100| ✔| –| No| Speed can be decreased. Max. speed is 100 % – Not active in manual operation ( ¡01 = 2) For CVE the speed should not exceed 50 (factory setting) If ¡26 = 1 – 3 then factory setting =100 If ¡26 = 4 – 10 then factory setting =50 If the valve is opening and ( ¡04 < = 33) or the valve is closing and ( ¡14 < = 33) => Low is displayed. If the valve is opening and (33 < If ¡04 < = 66) or the valve is closing and (33 < If ¡14 < = 66) => Med is displayed. If the valve is opening and ( ¡04 > = 67) or the valve is closing and ( ¡14 > = 67) => High is displayed”
**Automatic calibration| ****¡05| ** 0| **** 2| 0| | –| ** No| Not active before ¡26 has been operated. Always auto reset to 0. CA will flash in the display during calibration, if Enter push button has been activated for two seconds 0: No Calibration 1: Normal forced calibration – CA flashing slowly 2: Extended calibration – CA flashing rapidly”
****AO signal| ****¡06| ** 0| 2| 2| ✔| –| No| Type of A0 signal for ICM valve position 0: No signal
1: 0 – 20 mA
2: 4 – 20 mA
**Failsafe| ****¡07| ** 1| 4| 1| ✔| –| ** No| Define condition at power cut and fail safe supply is installed. 1: Close valve
2: Open Valve
3: Maintain valve position 4: Go to OD given by ¡12 “
****Fail safe supply| ****¡08| ** 0| 1| 0| ✔| | Yes| Fail safe supply connected and enable of A4 alarm: 0: No 1: Yes
**DI function| ****¡09| ** 1| 2| 1| ✔| | No| Define function when DI is ON (short circuited DI terminals) when ¡02 = 2 1: Open ICM valve (DI = OFF = > Close ICM valve) 2: Close ICM valve (DI = OFF = > Open ICM valve)
Password| ¡10| 0| 199| 0| | –| –| Enter number to access password protected parameters: ¡26 Password = 11
Old Alarms| ¡11| A1| A99| –| | –| No| Old alarms will be listed with the latest shown first. Alarm list can be reset by means of activating down arrow and up arrow at the same time for 2 seconds.
OD at power cut.| ¡12| 0| 100| 50| ✔| | No| Only active if ¡07 = 4

If fail safe supply is connected and power cut occurs, the valve will go to the specified OD.

**Inverse operation| ****¡13| ** 0| 1| 0| ✔| | No| When ¡02 = 1  0: Increasing Analog Input signal => Increasing ICM Opening Degree 1: Increasing Analog Input signal => Decreasing ICM Opening Degree When ¡02 = 3 0: DI1 = ON, DI2 = OFF => Increasing valve Opening Degree. DI1 = OFF, DI2 = ON => Decreasing valve Opening Degree DI1 = DI2 = OFF    => ICAD/ICM maintain current position DI1 = DI2 = ON        => ICAD/ICM maintain current position 1: DI1 = ON, DI2 = OFF => Decreasing ICM Opening Degree DI1 = OFF, DI2 = ON => Increasing ICM Opening Degree DI1 = DI2 = OFF    => ICAD/ICM maintain current position DI1 = DI2 = ON        => ICAD/ICM maintain current position
In ON/OFF Mode Closing speed In Neutral zone/ 3 point control Closing speed = 10| ¡14| 0| 100| 50/100| ✔| –| __ No| See ¡04. Not applicable to CVE
If ¡26 = 1 – 3 then factory setting = 100
If ¡26 = 4 – 10 then factory setting = 50
---|---|---|---|---|---|---|---|---
Manual set point| ¡15| 0| 100| 0| | –| No| When ¡01 = 2, ¡15 determine the start up value
Encoder operation| ¡16| 0| 1| 1| ✔| –| Yes| NB : Password protected. Password = 7 0: Encoder disabled. Means ICAD operation as ICAD 600A/ICAD 600A-TS/1200A without encoder. 1: Encoder enabled
Forced closing when ICM valve Opening Degree < 3%| ¡17| 0| 1| 0| ✔| –| No| Enable/Disable forced closing. Not applicable to CVE 0: When ICM valve Opening Degree < 3% it will be forced to close regardless of requested ICM valve Opening Degree 1: When ICM valve Opening Degree < 3% no forced to closing will take place
Action when ICAD is losing step See Note 1| ¡18| 0| 6| 6| ✔| –| No| Action when ICAD is losing step. 0: A boost starts if lost step is detected. After 15 sec, the A9 alarm is flashing and DO A Common Alarm is ON. A second boost starts after the time in ¡19 has elapsed. If the second boost cyklus does not bring the valve back in operation a forced calibration is carried out. 3: A9 alarm flashing after 15 sec. DO A Common Alarm ON. ICAD is locked in actual position. No boost cyklus, Reset by Power OFF/ON, regardless of setting ¡21 6: Boost cyklus starts if lost step is detected. After 3 boost cyklus the A9 alarm is flashing and DO A Common Alarm is ON. Time interval between boost is set in ¡19. The boost cyklus continues until the valve is back in operation.
Delay after boost, before A9 alarm See Note 1| ¡19| 0| 30| 1| ✔| Minutes| No| Time delay between two boosts. Linked to ¡18 function
Max offset value See Note 1| ¡20| 3| 15| 3| ✔| %| Yes| Password=13. Offset value (numeric)=Requested Opening Degree [%] from Analog Input – Opening Degree [%] from encoder (Used with ¡21 )
Define how to Reset/ Suppress A9 alarm See Note 1| ¡21| 0| 4| 1| ✔| –| No| Define how to Reset/Suppress A9 alarm. A9 alarm means A9 flashing in display and DO Common Alarm ON
0: Reset by Power OFF/ON 1: Autoreset when ICAD have succeeded to come back into normal operation. Normal operation defined as: Offset value < ¡20 (Max offset value) and ¡22 (delay) has elapsed. 2: A9 alarm is suppressed, meaning no A9 flashing in display and DO Common Alarm remains OFF
Reset delay for A9 See Note 1| ¡22| 1| 20| 5| ✔| Minutes| No| Reset delay for A9. Use when ¡21 = 1 OBSERVE: ¡22 is recommended always to be bigger than ¡19 ( ¡22 > ¡19 )
Valve configuration| ¡26| 0| __

__ 9

| 0| ✔| –| Yes| NB : Password protected. Password = 11 0: No valve selected. Alarm A1 will become active 1: ICM 20 with ICAD 600A / ICMTS 20 with ICAD 600A-TS 2: ICM 25 with ICAD 600A 3: ICM 32 with ICAD 600A / ICMTS 50/80 with ICAD 600A-TS 4: ICM 40 with ICAD 1200A 5: ICM 50 with ICAD 1200A 6: ICM 65 with ICAD 1200A 7: ICM 100 with ICAD 1200A 8: ICM 125 with ICAD 1200A 9: ICM 150 with ICAD 1200A 10: CVE pilot with ICAD 1200A
Running current factor| ¡30| 0| 20| 10| ✔| –| Yes| Password=19. Mandatory to set, if ICM/ICADs are installed/serviced, with cold liquid (-30 °C (-22 °F) or lower) passing through ICM valve. See also document number AN285243155312
Holding current factor| ¡31| 0| 20| 10| ✔| –| Yes

Note 1:
After a parameter change, it is necessary to carry out a Power OFF/ON

Service

Description| ICAD parameter| Min| Max| Factory Setting| Stored| Unit| Password| Comments
---|---|---|---|---|---|---|---|---
OD %| ¡50| 0| 100| –| | %| –| ICM valve Opening Degree / CVE pressure setting
AI [mA]| ¡51| 0| 100| –| | mA| –| AI signal
AI [V]| ¡52| 0| 100| –| | V| –| AI signal
AO [mA]| ¡53| 0| 100| –| | mA| –| A0 signal
**DI| ****¡54| ** 0| 1| –| | –| –| DI signals. Depending of ¡02
If ¡02 = 2, one digits are shown. See fig. 8
0 : DI1 = OFF
1 : DI1 = ON
If ¡02 = 3, two digits are shown. See fig. 9 00 : DI1 = OFF, DI2 = OFF
10 : DI1 = ON, DI2 = OFF
01 : DI1 = OFF, DI2 = ON
11 : DI1 = ON, DI2 = ON
DO Close| ¡55| 0| 1| –| | –| –| DO Closed status. ON when OD < 3 %
DO Open| ¡56| 0| 1| –| | –| –| DO Open status. ON when OD > 97 %
DO Alarm| ¡57| 0| 1| –| | –| –| DO alarm status. ON when a Alarm is detected
Display mP SW ver.| ¡58| 0| 100| –| | –| –| Software version for display microprocessor
Motor mP SW ver.| ¡59| 0| 100| –| | –| –| Software version for motor microprocessor

Reset to factory setting:

1. Remove the power supply.
2. Activate down arrow and up arrow push buttons at the same time.
3. Connect the power supply.
4. Release down arrow and up arrow push buttons.
5. When the display on ICAD (fig. 2) is alternating between showing: CA and A1 the factory resetting is complete.

© Danfoss | Climate solutions | 2023.04
Climate Solutions • danfoss.com • +45 7488 2222
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