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Wiring Diagrams

VOLT / FREQUENCY MEASUREMENT 

AC/DC CURRENT MEASUREMENT SERIES LOAD (MAX 5A) 

AC/DC POWER MEASUREMENT SERIES LOAD (5A MAXIMUM) 

AC POWER MEASUREMENT WITH A CT 

+V

-V

D+V

I+V

-V

GND

AOUT

DOUT1
DOUT2
RS485-A
RS485-B

FUSE

L

N

CURREN

VO

LTS 

/ FREQ

N

L

FUSE

PSU

Measurement

Input

~
~

PSU

N

L

+V

-V

D+V

I+V

-V

GND

AOUT

DOUT1
DOUT2
RS485-A
RS485-B

FUSE

L

N

-N

+L

LOAD

PSU

CURREN

VO

LTS 

/ FREQ

~
~

PSU

N

L

SUPP LY

FUSE

+V

-V

D+V

I+V

-V

GND

AOUT
DOUT1
DOUT2
RS485-A
RS485-B

FUSE

L

N

VO

LTS 

/ FREQ

CURREN

T

-N

FUSE

+L

LOAD

PSU

~
~

PSU

N

L

SUPP LY

-N

+L

+V

-V

D+V

I+V

-V

GND
AOUT
DOUT1
DOUT2
RS485-A
RS485-B

FUSE

N

L

CURREN

VO

LTS 

/ FREQ

PSU

N

L

LOAD

~
~

PSU

N

L

FUSE

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Summary of Contents for APM MAX-M21

Page 1: ...5A Frequency min voltage 26V AC 0 400Hz DC Power Measurement Watts AC Power Measurement Watts VA VAr DC 0 5 Frequency min 20V RMS 0 1 AC 0 5 Power Measurement 0 5 Isolation Reinforced 4KV 1 Sec 3KV 1 min Measurement Category CATII Voltage Frequency 2 MΩ 10 MΩ Current Input Direct 4MΩ Communication Modbus Configured Parameters Trumeter configurator required Only function code 4 read input register ...

Page 2: ...USE PSU Measurement Input PSU N L V V D V I V V GND AOUT DOUT1 DOUT2 RS485 A RS485 B FUSE L N N L LOAD PSU CURRENT VOLTS FREQ PSU N L SUPP LY FUSE V V D V I V V GND AOUT DOUT1 DOUT2 RS485 A RS485 B FUSE L N VOLTS FREQ CURRENT N FUSE L LOAD PSU PSU N L SUPP LY N L V V D V I V V GND AOUT DOUT1 DOUT2 RS485 A RS485 B FUSE N L CURRENT VOLTS FREQ PSU N L LOAD PSU N L FUSE www GlobalTestSupply com Find Q...

Page 3: ...GND AOUT DOUT1 DOUT2 RS485 A RS485 B FUSE N L CURRENT VOLTS FREQ FUSE PSU SUPP LY LOAD 300V MAX N L N L PSU N L V V D V I V V GND AOUT DOUT1 DOUT2 RS485 A RS485 B DC REL AY SUPP LY CURRENT VOLTS FREQ PSU N L NOTE Relay requires protection diode V V D V I V V GND AOUT DOUT1 DOUT2 RS485 A RS485 B 4 20 mA output CURRENT VOLTS FREQ Optional connection to system ground PSU N L www GlobalTestSupply com ...

Page 4: ...d by double reinforced insulation from mains voltages according to IEC 61010 1 2010 Failure to install or operate the unit in accordance with the above requirements may impair the electrical safety of the unit Voltage measurements An external UL recognized or listed overcurrent protection device fuse or circuit breaker must be fitted in line with the voltage lead Recommended fuse 0 5A Type F with ...

Page 5: ...nalogue Output Type Wire type Min cable temperature rating Wire strip length Wire gauge Torque In the Box APM Getting started safety guide IP65 Gasket Dimensions Weight Panel Cut out 68 x 68 mm 2 68 in square 106mm 4 00 in round 0 7 0 mm 0 02 in Max panel thickness 11 0 mm Depth behind panel inside front 55mm 2 17in incl external connections Weight 340 grams Specification VALUE 10 to 60 deg C 40 t...

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