Autonics MT4Y Series 4-Digit Multi Panel Meters

Instruction Manual

Model: MT4Y Series

Document ID: TCD220016AA

Introduction

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.

Safety Considerations

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

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

Cautions during Use

Connection with the line filter

Install the line filter close to the panel meter.

Connection with the varistor

Panel meter [HI] [LOW] 110/220 VAC~ Earth ground

This unit may be used in the following environments.

Ordering Information

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

Model structure: MT4Y - [Input type] - [Preset output + Sub output] - 4

Input Type

Preset output

Sub output

01) To measure the current over DC 5 A, please select DV type because the shunt should be used.

02) In case of selecting frequency display, no output will be provided even if it is output support model.

Product Components

Manual & Software

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.

Software

Download the installation file and the manuals from the Autonics website.

DAQMaster

It is the comprehensive device management program for Autonics' products, providing parameter setting, monitoring and data management.

Dimensions

Unit: mm. For detailed drawings, refer to the Autonics website.

Main dimensions: 72 (Width) x 36 (Height) x 66.5 (Depth)

Panel cut-out: 68+0.7 / 31.5+0.5

(Diagram description: A rectangular panel meter with dimensions shown. A separate diagram shows the panel cut-out dimensions.)

Cautions during Wiring

Use Copper-conductor wire with the temperature class 60 °C.

Unit: mm. Use terminals of the specified size below. Contact the manufacturer for the socket and cable.

Connector details:

(Diagram description: Shows a Hirose connector and socket with pin numbers.)

Connections

Input

DC voltage

Terminals: SOURCE, COM, 1234567. Ranges: 250 mVDC to 500 VDC.

DC current

Terminals: SOURCE, COM, 1234567. Ranges: 5 mA to 5 A.

AC voltage

Terminals: SOURCE, COM, 1234567. Ranges: 1 VAC to 500 VAC.

AC current

Terminals: SOURCE, COM, 1234567. Ranges: 50 mA to 5 A.

Output

Specifications

Model MT4Y-DV-4 MT4Y-DA-4 MT4Y-AV-4 MT4Y-AA-4
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) LED (character height: 14.2 mm)
Display accuracy (23±5°C) ±0.1% F.S. rdg ± 2 digit ±0.1% F.S. rdg ± 2 digit ±0.3% F.S. rdg ± 3 digit 02) ±0.3% F.S. rdg ± 3 digit
Max. display range -1999 to 9999 (4 digit)
A/D conversion method ΣΔ (Sigma Delta) ADC
Sampling cycle 50 ms 16.6 ms
Unit weight (packaged) ≈ 134 g (≈ 213.5 g)
Approval CE, CUS, EAC
Preset output Relay / NPN open collector / PNP open collector output model None (indicator) / Relay / NPN open collector / PNP open collector output model
Preset output contact capacity 250 VAC~3A, 30 VDC~3A. Contact composition: N.O (1a)
Preset output capacity ≤ 12-24 VDC ±2 VDC, 50 mA resistive load
Sub output None (indicator) / BCD Dynamic / Low speed serial / RS485 Communication output model Transmission (DC 4-20 mA) / RS485 Communication / BCD Dynamic / Low speed serial output model
Sub output (NPN open collector) Output capacity: ≤ 12-24 VDC, 50 mA resistive load
Sub output (Transmission) Resolution: 1/12,000 (load resistance: ≤ 600 Ω). Response time: ≤ 450 ms
Sub output (RS485) Protocol: Modbus RTU
Power supply 100-240 VAC~±10% 50/60 Hz
Power consumption 5 VA
Insulation resistance Between external terminal and case: ≥ 100 MΩ (500 VDC~ megger)
Dielectric strength Between external terminal and case: 2,000 VAC~50/60 Hz for 1 min
Noise immunity ±2 kV square wave noise (pulse width: 1 µs) 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
Relay life cycle Mechanical: ≥ 20,000,000 operations. Electrical: ≥ 100,000 operations (250 VAC~3A resistive load)
Ambient temp. -10 to 50 °C, storage: -20 to 60 °C (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)

01) Available frequency display, Display accuracy (23±5°C): ±0.1% F.S. rdg ± 2 digit

02) 5 A terminal: ±0.3% F.S. rdg ± 3 digit

Communication Interface

RS485

Comm. protocolModbus RTU
Application standardCompliance with EIA RS485
Max. connection31 units (address: 01 to 99)
Comm. synchronous methodAsynchronous
Comm. method2-wire half duplex
Comm. distance≤ 800 m
Comm. speed1,200/1,400/4,800/9,600/19,200/38,400 bps
Start bit1-bit (fixed)
Data bit8-bit (fixed)
Parity bitNone, Even, Odd
Stop bit1-bit, 2-bit
EEPROM life cycle≈ 1,000,000 operations (Erase / Write)

Mode Setting

Parameter 1 group

ParameterMarkDefaultsSetting rangeDisplay condition
Input range1-1-Refer to Input Range and Display Range[DC voltage model], [AC voltage model]
Input range1-1-Refer to Input Range and Display Range[DC current model], [AC current model]
Display method1-2STNDSTND: standard, SCAL: scale, FREQ: frequency 01)-
Measurement method1-3tRMST.RMS: True RMS, A.RMS: Average RMS, AVG: Average[AC voltage model], [AC current model]
Max. display value1-4STND(fixed)1-2 Display method: STND
High-limit display value correction1-5INbH500[DC voltage model], [AC voltage model] Max. value of display range
High-limit display value correction1-5%000[DC current model], [AC current model] Max. value of display range-
High-limit display value correction1-5!0000.100 to 5.000 %-
Low-limit display value deviation correction1-6INbL00-99 to 99
Decimal point position1-7DOT)0[DC voltage model], [AC voltage model] 0, 0.0, 0.00, 0.000
Decimal point position1-7DOT)000[DC current model], [AC current model] 0, 0.0, 0.00, 0.000
High-limit scale1-8H-SCDisplay value against max. measurement input*1-2 Display method: SCAL & 1-7 Decimal point
Low-limit scale1-9L-SCDisplay value against min. measurement input*-
High-limit display value correction1-10INbH!0000.100 to 5.000 %1-2 Display method: STND
Low-limit display value deviation correction1-11INbL00-99 to 99 02)-
Decimal point position1-12DOT)0[AC voltage model] 0, 0.0, 0.00, 0.000-
Decimal point position1-12DOT)000[AC current model] 0, 0.0, 0.00, 0.000-
High-limit display value correction1-13INbH!0000.100 to 9.9991-2 Display method: FREQ
Exponent of INB1-14INbE10-0100: 100, 10-1: 10-1, 10-2: 10-2, 101: 101-

01) Displays at AC voltage or AC current model only.

02) Low-limit display value deviation correction range is within -99 to 99 for D0, D-1 digit regardless of decimal point position.

Frequency measurement range

Decimal pointDisplay rangeFrequency measurement range
-0 -1999 to 99991 to 9999 Hz
)0-199.9 to 999.90.1 to 999.9 Hz
)00-19.99 to 99.990.10 to 99.99 Hz
)000-1.999 to 9.9990.100 to 9.999 Hz

Parameter 2 group

ParameterMarkDefaultsSetting rangeDisplay condition
Output operation mode2-1OUtTOFFOFF, L.ST, H.ST, LH.ST, HH.ST, LL.ST, LD.ST. Refer to Output Operation Mode. Relay (Low out) output model is available only OFF or L.ST.
Hysteresis2-2HYS001[Except indicator model] Within 10 % of max. display range, digit
Startup compensation time2-3STaT0)0[Except indicator model] 0.0 to 99.9 sec
Peak monitoring delay time2-4PEkT0000 to 30 sec
Display cycle2-5DIsT)2 S0.1 to 5.0 sec
Keys for zero adjustment2-6ZERONONO, YES. YES: Press the [] + [] keys for 3 sec to adjust zero.
External input terminal2-7EVLNHOLD[Except indicator model] HOLD, ZERO. If the external input terminal is short-circuited for 50 ms or more, it operates with the set function.
High-limit value of transmission output2-8FS-H500[DC voltage & Transmission (DC 4 - 20 mA) output model] -5 to 110 % of display range. [AC voltage & Transmission (DC 4 - 20 mA) output model] 0 to 110 % of display range.
High-limit value of transmission output2-8%000[DC current & Transmission (DC 4 - 20 mA) output model] -5 to 110 % of display range. [AC current & Transmission (DC 4 - 20 mA) output model] 0 to 110 % of display range.-
Low-limit value of transmission output2-9FS-L000[DC voltage & Transmission (DC 4 - 20 mA) output model] Min. value of display range. [AC voltage & Transmission (DC 4 - 20 mA) output model] Min. value of display range.
Low-limit value of transmission output2-9)000[DC current & Transmission (DC 4 - 20 mA) output model] Min. value of display range. [AC current & Transmission (DC 4 - 20 mA) output model] Min. value of display range.-
Comm. Address2-10ADRS01[RS485 Comm. output model] 01 to 99
Comm. speed2-11BPS9600[RS485 Comm. output model] 38.4k, 19.2k, 9600, 4800, 2400, 1200 bps
Parity bit2-12PRTYNONE[RS485 Comm. output model] NONE, EVEN, ODD
Stop bit2-13STP2[RS485 Comm. output model] 2, 1 bit
Response waiting time2-14RSwT5[RS485 Comm. output model] 5 to 99 sec
Lock2-15LOCOFFOFF: unlock, LOC1: lock parameter 1, LOC2: lock parameter 1, 2, LOC3: lock parameter 0, 1 and 2

Parameter 0 group

ParameterMarkDefaultsSetting rangeDisplay condition
Output high-limit output setting value0-1hSET500[DC voltage & Preset setting model] -5 to 110 % of display range [AC voltage & Preset setting model] 0 to 110 % of display range
Output high-limit output setting value0-1%000[DC current & Preset setting model] -5 to 110 % of display range [AC current & Preset setting model] 0 to 110 % of display range2-1 Output operation mode: except OFF
Output low-limit output setting value0-2lSET000[DC voltage & Preset setting model] Min. value of display range [AC voltage & Preset setting model] Min. value of display range2-1 Output operation mode: except OFF
Output low-limit output setting value0-2)000[DC current & Preset setting model] Min. value of display range [AC current & Preset setting model] Min. value of display range2-1 Output operation mode: except OFF
Display max. peak value 01)0-3hPEK)0[DC voltage], [AC voltage] Max. peak value in run mode2-1 Output operation mode: except OFF & 2-4 Peak monitoring delay time: except 00
Display max. peak value 01)0-3)000[DC current], [AC current] Max. peak value in run mode2-1 Output operation mode: except OFF & 2-4 Peak monitoring delay time: except 00
Display min. peak value 01)0-4lPEK)0[DC voltage], [AC voltage] Min. peak value in run mode2-1 Output operation mode: except OFF & 2-4 Peak monitoring delay time: except 00
Display min. peak value 01)0-4)000[DC current], [AC current] Min. peak value in run mode2-1 Output operation mode: except OFF & 2-4 Peak monitoring delay time: except 00

01) 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

Input rangeDisplay range (STND)Display range (SCAL) 01)Input impedance
0 - 500 VDC0.0 to 500.0500V4.33 MΩ
0 - 100 VDC0.0 to 100.0100V4.33 MΩ
0 - 50 VDC0.00 to 50.0050V433.48 kΩ
0 - 10 VDC0.00 to 10.0010V433.48 kΩ
0 - 5 VDC0.000 to 5.0005V43.48 kΩ
0 - 1 VDC0.000 to 1.0001V43.48 kΩ
0 - 250 mVDC0.0 to 250.0)25V2.28 kΩ
0 - 50 mVDC0.00 to 50.0050MV2.28 kΩ

Decimals

Decimal pointDisplay range
-0 -1999 to 9999
)0-199.9 to 999.9
)00-19.99 to 99.99
)000-1.999 to 9.999

01) 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

Input rangeDisplay range (STND)Display range (SCAL) 01)Input impedance
0 - 5 A0.000 to 5.0005A0.02 Ω
0 - 2 A0.000 to 2.0002A0.02 Ω
0 - 500 mA0.0 to 500.0)5A0.22 Ω
0 - 200 mA0.0 to 200.0)2A0.22 Ω
0 - 50 mA0.00 to 50.0050MA2.22 Ω
4 - 20 mA4.00 to 20.004-202.22 Ω
0 - 5 mA0.000 to 5.0005MA22.22 Ω
0 - 2 mA0.000 to 2.0002MA22.22 Ω

Decimals

Decimal pointDisplay range
-0 -1999 to 9999
)0-199.9 to 999.9
)00-19.99 to 99.99
)000-1.999 to 9.999

01) 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

Input rangeDisplay range (STND)Display range (SCAL) 01)Input impedance
0 - 500 VAC0.0 to 500.0500V5.01 MΩ
0 - 250 VAC0.0 to 250.0250V5.01 MΩ
0 - 110 VAC 02)0.0 to 440.0110P1.11 MΩ
0 - 50 VAC0.00 to 50.0050V1.11 MΩ
0 - 20 VAC0.00 to 20.0020V200.92 kΩ
0 - 10 VAC0.00 to 10.0010V200.92 kΩ
0 - 2 VAC0.000 to 2.0002V20.92 kΩ
0 - 1 VAC0.000 to 1.0001V20.92 kΩ

Decimals

Decimal pointDisplay range
-0 -1999 to 9999
)0-199.9 to 999.9
)00-19.99 to 99.99
)000-1.999 to 9.999

01) 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.

02) In case of 0 to 110 VAC of AC voltage range and using P.T (potential transformer) for 440 VAC / 110 VAC, if 110 VAC is input, and the unit displays 440 VAC automatically by preset scale value for P.T user's convenient.

AC current model

Input rangeDisplay range (STND)Display range (SCAL) 01)Input impedance
0 - 5 A0.000 to 5.0005A0.02 Ω
0 - 2.5 A0.000 to 2.500@5A0.02 Ω
0 - 1 A0.000 to 1.0001A0.10 Ω
0 - 500 mA0.0 to 500.0)5A0.20 Ω
0 - 250 mA0.0 to 250.0)25A0.20 Ω
0 - 100 mA0.0 to 100.0)1A1.02 Ω
0 - 50 mA0.00 to 50.0050MA1.02 Ω

Decimals

Decimal pointDisplay range
-0 -1999 to 9999
)0-199.9 to 999.9
)00-19.99 to 99.99
)000-1.999 to 9.999

01) 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

H.SET or L.SET is displayed according to the output operation mode setting. In case of output operation mode as OFF, H.SET and L.SET are not displayed. When changing output operation mode, high-limit / low-limit output setting value, hysteresis are reset.

MODEOutput operationPreset outputLOHIGOH.SETL.SETDisplay value
OFFOFF------No output
L.STL.SET < Display value-ON---L.SET-
H.STH.SET > Display value--ON-H.SET--
LH.STL.SET < Display value < H.SET-ONON-H.SETL.SET-
HH.STDisplay value < L.SET or Display value > H.SET-ONON-H.SETL.SET-
LL.STL.SET > Display value-ON---L.SET-
LD.STDisplay value < L.SET-ON---L.SETSecond L.SET Display value

Reset

  1. Press the [] + [] + [] keys for over 5 sec. in run mode, INIT flashes for 0.5 sec.
  2. Press the direction keys to flash NO for 0.5 sec in turn.
  3. Change the setting value as YES by pressing the direction keys.
  4. 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.

DisplayDescriptionTroubleshooting
HHHH LLLL 01)Flashes when measurement input is exceeded the max. allowable input (110 %)Disconnect power supply and check the cables.
HHHH LLLL 01)Flashes when measurement input is exceeded the min. allowable input (-10 %)Disconnect power supply and check the cables.
D-HHTurns ON when display input is exceeded high-limit scale setting value or max. display range (9999)Reset within the display range.
D-LLTurns ON when display input is exceeded low-limit scale setting value or min. display range (-1999)Reset within the display range.
F-HHTurns ON when input frequency is exceeded the max. display value of measured range-
OVERFlashes twice when it exceeds zero range (±99) and returns to run modeReset within the zero range.

01) Displays at DC input model only.

Models: MT4Y-AV-42, MT4Y Series Digital Panel Meter, Digital Panel Meter, Panel Meter, Meter

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