Autonics MT4N Series Digital Multi Panel Meter Instruction Manual

Autonics MT4N Series Digital Multi Panel Meter

Thank you for choosing our Autonics product

Read and understand the instruction manual and manual thoroughly before using the product. For your safety, read and follow the below safety considerations before using. For your safety, read and follow the considerations written in the instruction manual, other manuals and Autonics website. Keep this instruction manual in a place where you can find easily. The specifications, dimensions, etc. are subject to change without notice for product improvement. Some models may be discontinued without notice. Follow Autonics website for the latest information.

Product Information

Safety Considerations

• Install a fail-safe device when using the unit with machinery that may cause serious injury or substantial economic loss.
• Do not use the unit in places where flammable/explosive/corrosive gas, high humidity, direct sunlight, radiant heat, vibration, impact, or salinity may be present.
• Install on a device panel to use.
• Do not connect, repair or inspect the unit while connected to a power source.
• Check connections before wiring.
• Do not disassemble or modify the unit.

Cautions

• When connecting power, measurement input, and relay output, use AWG 24 (0.20 mm2) to AWG 16 (1.30 mm2) cable or over and tighten the terminal screw with a tightening torque of 0.78 to 0.98 N m.
• Use the unit within the rated specifications.
• Use a dry cloth to clean the unit and do not use water or organic solvent.
• Keep the product away from metal chip, dust, and wire residue which flow into the unit.

Cautions During Use

• In case of installing power line and input signal line closely, use a line filter or varistor at the power line and shielded wire at the input signal line.
• Do not use near equipment which generates strong magnetic force or high-frequency noise.

Ordering Information

• Input Types: DV (DC voltage), DA (DC current), AV (AC voltage), AA (AC current)
• Preset Output : None (indicator), Relay (OUT1/2), NPN open collector (OUT1/2, GO), PNP open collector (OUT1/2, GO), Transmission (DC 4 – 20 mA), RS485 communication
• Sub Output: Relay (OUT1/2)

Product Usage Instructions

1. Install the fail-safe device when using the unit with machinery that may cause serious injury or substantial economic loss.
2. Do not use the unit in places where flammable/explosive/corrosive gas, high humidity, direct sunlight, radiant heat, vibration, impact, or salinity may be present.
3. Install the unit on a device panel.
4. Do not connect, repair, or inspect the unit while connected to a power source.
5. Check connections before wiring.
6. Do not disassemble or modify the unit.
7. When connecting power, measurement input, and relay output, use AWG 24 (0.20 mm2) to AWG 16 (1.30 mm2) cable or over and tighten the terminal screw with a tightening torque of 0.78 to 0.98 N m.
8. Use the unit within the rated specifications.
9. Use a dry cloth to clean the unit and do not use water or organic solvent.
10. Keep the product away from metal chip, dust, and wire residue which flow into the unit.
11. In case of installing power line and input signal line closely,use a line filter or varistor at the power line and shielded wire at the input signal line.
12. Do not use near equipment which generates strong magnetic force or high-frequency noise.
13. Select the appropriate input and output type as per your requirements.

Safety Considerations

• Observe all ‘Safety Considerations’ for safe and proper operation to avoid hazards.
• Symbol indicates caution due to special circumstances in which hazards may occur.

Warning: Failure to follow instructions may result in serious injury or death.

1. Fail-safe device must be installed when using the unit with machinery that may cause serious injury or substantial economic loss. (e.g. nuclear power control, medical equipment, ships, vehicles, railways, aircraft, combustion apparatus, safety equipment, crime / disaster prevention devices, etc.)
   • Failure to follow this instruction may result in personal injury, economic loss or fire.
2. Do not use the unit in the place where flammable / explosive / corrosive gas, high humidity, direct sunlight, radiant heat, vibration, impact or salinity may be present.
   • Failure to follow this instruction may result in explosion or fire.
3. Install on a device panel to use.
   • Failure to follow this instruction may result in fire or electric shock.
4. Do not connect, repair, or inspect the unit while connected to a power source.
   • Failure to follow this instruction may result in fire or electric shock.
5. Check ‘Connections’ before wiring.
   • Failure to follow this instruction may result in fire.
6. Do not disassemble or modify the unit.
   • Failure to follow this instruction may result in fire or electric shock.

Caution: Failure to follow instructions may result in injury or product damage.

1. When connecting the power / measurement input and relay output, use AWG 24 (0.20 mm2) to AWG 16 (1.30 mm2)cable or over and tighten the terminal screw with a tightening torque of 0.78 to 0.98 N m.Use the wiring suitable for the load current capacity.
   • Failure to follow this instruction may result in fire or malfunction due to contact failure.
2. Use the unit within the rated specifications.
   • Failure to follow this instruction may result in fire or product damage.
3. Use a dry cloth to clean the unit, and do not use water or organic solvent.
   • Failure to follow this instruction may result in fire or electric shock.
4. Keep the product away from metal chip, dust, and wire residue which flow into the unit.
   • Failure to follow this instruction may result in fire or product damage.

Cautions during Use

• Follow instructions in ‘Cautions during Use’.
• Otherwise, It may cause unexpected accidents.
• Power supply should be insulated and limited voltage / current or Class 2, SELV power supply device.
• Install a power switch or circuit breaker in the easily accessible place for supplying or disconnecting the power.
• Use twisted pair wire for communication line.
• Keep away from high voltage lines or power lines to prevent inductive noise.

In case installing power line and input signal line closely, use line filter or varistor at power line and shielded wire at input signal line. Do not use near the equipment which generates strong magnetic force or high frequency noise.

• This unit may be used in the following environments.
  • Indoors (in the environment condition rated in ‘Specifications’)
  • Altitude max. 2,000 m
  • Pollution degree 2
  • Installation category II

Ordering Information

• This is only for reference, the actual product does not support all combinations.
• For selecting the specified model, follow the Autonics website.

1. Input type
   • DV: DC voltage 01)
   • DA: DC current
   • AV: AC voltage 02)
   • AA: AC current 02)
2. Power supply
   • E: 12 – 24 VDC ± 10 %,
   • 12 – 24 VAC ± 10 % 50 / 60 Hz
   • 4: 100 – 240 VAC ± 10 % 50 / 60 Hz
3. Preset output + Sub output

| Preset output| Sub output
---|---|---
N| None (indicator)
0| Relay (OUT1 / 2)| –
1| NPN open collector (OUT1 / 2, GO)| –
2| PNP open collector (OUT1 / 2, GO)| –
3| Relay (OUT1)| Transmission (DC 4 – 20 mA)
4| Relay (OUT1)| RS485 communication
5| Relay (OUT1 / 2)| Transmission (DC 4 – 20 mA)

1. To measure the current over DC 500 mA, please select DV type because the shunt should be used.
2. In case of selecting frequency display, no output will be provided even if it is output support model.

Product Components

• Product
• Instruction manual

Manual

• For proper use of the product, refer to the manuals and be sure to follow the safety considerations in the manuals.
• Download the manuals from the Autonics website.

Dimensions

• Unit: mm, For the detailed drawings, follow the Autonics website.

Bracket

Panel cut-out

Cautions during Wiring

• Unit: mm, Use terminals of size specified below.

Connections

Input

• DC voltage

• AC voltage

• DC current

• AC current

Output

• 0: Relay

• 1: NPN open collector

• 2: PNP open collector

• 3: Relay + Transmission (DC 4 – 20 mA)

• 4: Relay + RS485 communication

• 5: Relay + Transmission (DC 4 – 20 mA)

Specifications

Model| MT4N-DV- □□| MT4N-DA- □□| MT4N-AV- □□| MT4N-AA- □□
---|---|---|---|---
Input type| DC voltage| DC current| AC voltage 01)| AC current 01)
Max. allowable input| 110 % F.S. for each measured input range
Display method| 7-segment (red) LCD (character height: 9 mm)
Display accuracy| Dependent on the ambient temperature
23 ± 5 ℃| ± 0.1 % F.S. rdg ± 2 digit 02)| ± 0.3 % F.S. rdg ± 3 digit
-10 to 50 ℃| ± 0.5 % F.S. rdg ± 3 digit
Max. display range| -1999 to 9999 (4 digit)
A / D conversion

method

| Practical oversampling using successive approximation ADC
Sampling cycle| 50 ms| 16.6 ms
Unit weight

(packaged)

| ≈ 64 g (≈ 127 g)
Approval|

1. Available frequency display
2. 5 A terminal: ± 0.3 % F.S. rdg ± 3 digit

Preset output| None (indicator) / Relay / NPN open collector / PNP open collector output model
---|---
Relay| Contact capacity: 125 VAC 0.3 A, 30 VDC 1 A Contact composition: N.O (1a)
NPN / PNP

open collector

| Output capacity: ≤ 12 – 24 VDC ± 2 VDC , 50 mA resistive load
Sub output| None (indicator) / Transmission (DC 4 – 20 mA) / RS485 communication output model
Transmission

(DC 4 – 20 mA)

| Resolution: 1/12,000 (load resistance: ≤ 600 Ω) Response time: ≤ 450 ms
RS485 communication| Protocol: Modbus RTU

Power supply| 12 – 24 VDC ± 10 %, 12 – 24 VAC ± 10 % 50 / 60 Hz /

100 – 240 VAC ± 10 % 50 / 60 Hz model

---|---
Power consumption

(DC / AC voltage)

| 3 W / 5 VA 01)
Power consumption

(AC voltage)

| 5 VA
Insulation resistance| ≥ 20 MΩ (500 VDC megger)
Dielectric strength

(DC / AC voltage)

| Between external terminal and case: 1,000 VAC  50 / 60 Hz for 1 min
Dielectric strength

(AC voltage)

| Between external terminal and case: 2,000 VAC 50 / 60 Hz for 1 min
Noise immunity| ± 2 kV square wave noise (pulse width: 1 ㎲) by the noise simulator
Vibration| 0.75 mm double amplitude at frequency of 10 to 55 Hz (for 1 min) in each X, Y, Z direction for 2 hours
Vibration

(malfunction)

| 0.5 mm double amplitude at frequency of 10 to 55 Hz (for 1 min) in each X, Y, Z direction for 10 min
Shock| 300 m/s2 (≈ 30 G) in each X, Y, Z direction for 3 times
Shock (malfunction)| 100 m/s2 (≈ 10 G) in each X, Y, Z direction for 3 times
Ambient temp.| -10 to 50 ℃, storage: -20 to 60 ℃ (no freezing or condensation)
Ambient humi.| 35 to 85 %RH, storage: 35 to 85 %RH (no freezing or condensation)
Insulation type| Symbol: , double or reinforced insulation (dielectric strength between the measurement input part and the power part: 1 kV)

1. Except MT4N-□□-E5: 5 W / 8 VA

Communication Interface

RS485

Mode Setting

Parameter Setting

• Some parameters are activated / deactivated depending on the model or setting of other parameters. Refer to the description of each parameter.
• If any key is not entered for 60 sec in each parameter, it returns to RUN mode.
• After returning to RUN mode, press the [MODE] key within 2 sec, it returns to previous parameter.
• [MODE] key: Saves current setting value and moves to the next parameter.
  • [◀] key: Checks fixed value / Changes setting digits.
  • [▲], [▼] key: Changes setting values.

Parameter 1 group

1. Displays at AC voltage or AC current model only.
2. Low-limit display value deviation correction range is within -99 to 99 for D0, D-1 digit regardless of decimal point position.
3. Display range is variable according to decimal point position.

Parameter 2 group

Parameter 0 group

1. Reset: Press any one of [◀], [▼], [▲] keys.

Input Range and Display Range

When the max. input value is over the 100 %, it may result in input terminal damage.

DC voltage model

SCAL 01)
0 – 50 VDC| 0.00 to 50.00| 50| | 433.48 kΩ
0 – 10 VDC| 0.00 to 10.00| 10| 433.48 kΩ
0 – 5 VDC| 0.000 to 5.000| 5| 43.48 kΩ
0 – 1 VDC| 0.000 to 1.000| 1| 43.48 kΩ
0 – 250 mVDC| 0.0 to 250.0| 250| 2.28 kΩ
0 – 50 mVDC| 0.00 to 50.00| 50| 2.28 kΩ

1. Connect to the input terminals whose 30 % to 100 % of the input range includes the max. value of the input range to measure. When the max. input value is under the 30 % of the input terminal range, display accuracy is degraded.

DC current model

SCAL 01)
0 – 500 mA| 0.0 to 500.0| 500| | 0.22 Ω
0 – 200 mA| 0.0 to 200.0| 200| 0.22 Ω
0 – 50 mA| 0.00 to 50.00| 50| 2.22 Ω
4 – 20 mA| 4.00 to 20.00| 4-20| 2.22 Ω
0 – 5 mA| 0.000 to 5.000| 5| 22.22 Ω
0 – 2 mA| 0.000 to 2.000| 2| 22.22 Ω

1. Connect to the input terminals whose 30 % to 100 % of the input range includes the max. value of the input range to measure. When the max. input value is under the 30 % of the input terminal range, display accuracy is degraded.

AC voltage model

SCAL 01)
0 – 250 VAC| 0.0 to 250.0| 250| | 1.086 MΩ
0 – 125 VAC| 0.0 to 125.0| 125| 1.086 MΩ
0 – 50 VAC| 0.00 to 50.00| 50| 199.12 kΩ
0 – 25 VAC| 0.00 to 25.00| 25| 199.12 kΩ
0 – 5 VAC| 0.000 to 5.000| 5| 19.12 kΩ
0 – 2.5 VAC| 0.000 to 2.500| @5| 19.12 kΩ

1. Connect to the input terminals whose 30 % to 100 % of the input range includes the max. value of the input range to measure. When the max. input value is under the 30 % of the input terminal range, display accuracy is degraded.

AC current model

SCAL 01)
0 – 5 A| 0.000 to 5.000| 5| | 0.01 Ω
0 – 2.5 A| 0.000 to 2.500| @5| 0.01 Ω
0 – 500 mA| 0.0 to 500.0| 500| 0.19 Ω
0 – 250 mA| 0.0 to 250.0| 250| 0.19 Ω
0 – 100 mA| 0.0 to 100.0| 100| 1.01 Ω
0 – 50 mA| 0.00 to 50.00| 50| 1.01 Ω

1. Connect to the input terminals whose 30 % to 100 % of the input range includes the max. value of the input range to measure. When the max. input value is under the 30 % of the input terminal range, display accuracy is degraded.

Output Operation Mode

• The below describes based on OUT1.
• OUT1 and OUT2 of output operations are same. It operates individually by the set output operation mode.
• GO output turns ON when the OUT1 and OUT2 turn OFF at the same time. (NPN / PNP open collector output type model)
• When changing output operation mode, high-limit / low-limit output setting value, and hysteresis are reset.

Reset

1. Press the [◀] + [▲] + [▼] keys for over 5 sec. in run mode, INIT and NO flash alternately for 0.5 sec in turn.
2. Change the setting value as YES by pressing the direction keys.
3. Press the [MODE] key to reset all parameter values as default and to return to run mode.

Error

Error display is released automatically when it is in the measured and display range.

1. Displays at DC input model only.

CONTACT

• 18, Bansong-ro 513Beon-gil, Haeundae-gu, Busan, Republic of Korea, 48002
• www.autonics.com
• +82-2-2048-1577
• sales@autonics.com

References

• autonics.com

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