PPI Zenex Pro Digital Temperature Controller User Manual

PPI Zenex Pro Digital Temperature Controller User Manual

I / O CONFIGURATION PARAMETERS

**Input Type

| Refer Table 1 (Default : Type K)
Temperature Display Units

**|
°C

°F

(Default : °C)

**Temperature Range

**| Min. to Max. specified for the selected Input Type (Refer Table 1)

(Default : 1376)

**Control Output Type

| Refer Table 2 (Default : Relay)
Control Mode

**|
On-Off
PID

(Default : PID)

**Control Logic

**|
Direct

Reverse (Default : Reverse)

**Hysteresis

| 1 to 999°C or**

0.1 to 99.9°C

(Default : 2 or 0.2)

**Setpoint Low Limit

| Min. Range to Setpoint High for the selected Input Type (Default : -200)
Setpoint High Limit

**| Setpoint Low to Max. Range for the selected Input Type (Default : 1376)

SUPERVISORY PARAMETERS

Tune / Optimize **Command

**|
No

Yes (Default : No)

**Tune / Optimize Abort Command

**|
No

Yes (Default : No)

**Overshoot Inhibit

**|
Disable Enable

(Default : Disable)

Overshoot **Inhibit Factor

| 1.0 to 2.0 (Default : 1.2)
Self-tune on Setpoint Change

**|
Disable Enable

(Default : Disable)

**Offset for PV

| -1999 to 9999 or**

-199.9 to 999.9

(Default : 0)

**Digital Filter for PV

**| 0.5 to 25.0 Seconds in steps of 0.5 Seconds

(Default : 1.0)

Permission **for OP2/OP3 Setpoint Editing on Operator Page

**|
Disable

Enable (Default : Enable)

Soak Abort Command **on Operator Page

**|
Disable

Enable (Default : Enable)

**Soak Time Adjustment on Operator Page

**|
Disable Enable

(Default : Enable)

Parameters| Settings
(Default Value) 
---|---
Utility Option
|
None
Soak Start
Water Level
Low Detection
(Default : None)
Water Level-Low Detection Logic
|
Open
Close
(Default : Open)
Slave ID
| 1 to 127
(Default : 1)
Baud Rate
| 4800, 9600, 19200
(Default : 9600)
Parity
|
None
Even
Odd
(Default : Even)
Communication Write Enable
|
No
Yes
(Default : Yes)

PID CONTROL PARAMETERS

Parameters| Settings
(Default Value)
---|---
% Output Power
| Not Applicable
(Default : Not Applicable)
Cycle Time
| 0.5 to 120.0 Seconds
(in steps of 0.5 secs.)
(Default : 0.5)
Proportional Band
| 0.1 to 999.9
(Default : 10.0)
Integral Time
| 0 to 1000 Seconds
(Default : 100)
Derivative Time
| 0 to 250 Seconds
(Default : 25)

OP2 FUNCTION PARAMETERS

Parameters| Settings
(Default Value)
---|---
Output-2 Function Selection
|
None
Alarm
Control
Blower
(Default : None)
OP2 Function : Alarm-1
 |
Type
|
Process Low
Process High
Deviation Band
Window Band
End of Soak
(Default : Process Low)
Setpoint
| Min. to Max. Range for
the selected Input type
(Default : 0)
Deviation Band
| -199 to 999 or
-199.9 to 999.9
(Default : 0)
Window Band
| 3 to 999 or 0.3 to 999.9
(Default : 3)
Parameters| Settings (Default Value)
---|---
**Logic

**|
Normal

Reverse (Default : Normal)

**Inhibit

**|
Yes No

(Default : Yes)

**Alarm Timer

**| 5 to 250 Seconds

(Default : 10)

OP2 Function : Auxiliary Control
Parameters| Settings (Default Value)
**Offset Value

| (Min. Range – SP ) to (Max. Range – SP** ) specified for the selected Input Type

(Default : 0)

**Hysteresis

| 1 to 999 or**

0.1 to 999.9

(Default : 2 or 0.2)

**Control Logic

**|
Normal

Reverse (Default : Normal)

OP2 Function : Blower / Compressor Control
**Offset Value

| 0 to 250 or** 0.0 to 25.0

(Default : 0)

**Hysteresis

| 1 to 250 or** 0.1 to 250.0

(Default : 2 or 0.2)

**Time Delay

**| 00.00 to 10.00 Min. Sec (in steps of 5 Seconds)

(Default : 00.00)

OP3 FUNCTION PARAMETERS

Output-3 **Function Selection

| **

None

Alarm

Control

Water Level Low Alarm

(Default : None)

OP3 Function : Alarm-2
**Type

**|
Process Low Process High Deviation Band Window Band

End of Soak

(Default : Process Low)

**Setpoint

| Min. to Max. Range for the selected Input type (Default : 0)
Deviation Band

| -199 to 999 or**

-199.9 to 999.9

(Default : 0)

**Window Band

**| 3 to 999 or 0.3 to 999.9

(Default : 3)

**Logic

**|
Normal

Reverse (Default : Normal)

**Inhibit

**|
Yes

No (Default : Yes)

**Alarm Timer

**| 5 to 250 Seconds

(Default : 10)

OP3 Function : Auxiliary Control

Offset Value
| (Min. Range – SP) to (Max. Range – SP) specified for the selected Input Type (Default : 0)
Hysteresis
| 1 to 999 or 0.1 to 999.9 (Default : 2 or 0.2)
Control Logic
|
Normal
Reverse
(Default : Normal)

SOAK TIMER PARAMETERS

Timer Enable
|
No
Yes
(Default : No)
Time Units
|
Min:Sec
Hours:Min
Hours
(Default : Min:Sec)
Time Duration
| 00.05 to 60:00 Min:Sec
00.05 to 99:55 Hrs:Min
1 to 999 Hours
(Default : 00.10 Min:Sec)
Timer-Start Band
| 0 to 9999 or
0.0 to 999.9
(Default : 5 or 0.5)
Holdback Strategy
|
None
Up
Down
Both
(Default : None)
Hold Band
| 1 to 9999 or
0.1 to 999.9
(Default : 5 or 0.5)
Switch-Off Control Output at Timer End
|
No
Yes
(Default : No)

Power-fail Recovery Method|
Abort
(Re)Start
Continue
(Default : Continue)

OPERATOR PAGE AND PARAMETERS

Timer Start Command
|
No
Yes
Timer Abort Command
|
No
Yes
Time Duration
| 00.05 to 60.00 M:S or 00.05 to 99.55 H:M or 1 to 999 Hours
OP2 Function : Alarm-1
Alarm-1 Setpoint
| Min. to Max. Range for the Input Type
Alarm-1 Deviation Band
| -199 to 999 or -199.9 to 999.9
Alarm-1 Window Band
| 3 to 999 or 0.3 to 999.9
Parameters| Settings
---|---
OP2 Function : Auxiliary Control
Auxiliary Control Setpoint
| (Min. Range – SP) to (Max. Range – SP) for selected Input
OP2 Function : Blower / Compressor Control
Blower / Compressor Setpoint
| 0 to 250 or 0.0 to 25.0
OP3 Function : Alarm-2
Alarm-2 Setpoint
| Min. to Max. Range for the Input Type
Alarm-2 Deviation Band
| -1999 to 9999 or -199.9 to 999.9
Alarm-2 Window Band
| 3 to 999 or 0.3 to 99.9
OP3 Function : Auxiliary Control
Auxiliary Control Setpoint
| (Min. Range SP) to (Max. Range SP) for selected Input
Control Setpoint (SP) Locking
Setpoint Locking
|
No
Yes
TABLE- 1

Option| Range (Min. to Max.)| Resolution
| 0 to +960°C / +32 to +1760°F| Fixed 1°C / 1°F
| -200 to +1376°C / -328 to +2508°F
| -200 to +385°C / -328 to +725°F
| 0 to +1770°C / +32 to +3218°F
| 0 to +1765°C / +32 to +3209°F
| 0 to +1825°C / +32 to +3092°F
| 0 to +1300°C / +32 to +2372°F
| -199 to +600°C / -328 to +1112°F
| -199.9 to 600.0°C / -199.9 to 999.9°F| 0.1°C / 0.1°F
TABLE- 2

Option| What it means| Remarks
| Relay
SSR (Solid State Relay)| Applicable for OP1 as Relay / SSR
NOTE : Applicable Only For Zenex DC Linear Version

Option| What   it means| Remarks
| 0 to 20mA current 4 to 20mA current| Applicable for OP1 as DC Linear Current
| 0 to 5 Volts 0 to 10 Volts| Applicable for OP1 as DC Linear Voltage

FRONT PANEL LAYOUT

PAGE

| ****

Press to enter or exit set-up mode.

| ****

DOWN

| Press to decrease the parameter value. Pressing once decreases the value by one count; keeping pressed speeds up the change.
| ****

UP

| Press to increase the parameter value. Pressing once increases the value by one count; keeping pressed speeds up the change.
| ****

ENTER

| Press to store the set parameter value and to scroll to the next parameter on the PAGE.

PV Error Indications

( PV above Max. Range)

****| Under-range

( PV below Min. Range)

****| Open

(Sensor open / broken)

ELECTRICAL CONNECTIONS

Relay / SSR Control Output Version

DC mA/V Control Output Version

This brief manual is primarily meant for quick reference to wiring connections and parameter searching. For more details on operation and application; please log on to www.ppiindia.net

References

• Factory Automation Products India | Automation Solutions in India

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