12 M4M 20 NETWORK ANALYZER USER MANUAL
Current measurement inputs
Number of current inputs 3 (L1, L2, L3)
Indirect insertion with CT
CT secondary 5 A (Class 0.5S)
1 A (Class 0,5S)
Measurement range without accuracy derating 50 mA - 6 A
Starting current 1 mA
Burden 0.024 VA at 6 A
Indirect insertion with Rogowski coils (only M4M 20 Rogowski)
Rated current 10000 A
Measurement range without accuracy derating 100 A - 12 kA
Starting current 10 A
I/O
Digital Output
Voltage (min - max) 5 - 240 VAC/DC
Current (min - max) 2 - 100 mA
Max ON state drop voltage 1,5 V
Max R value at Min voltage conditions (5 V) 1750 Ohm
Min R value at Max voltage conditions (240 V) 2400 Ohm
Pulse duration [ms] 20 ms ON, 20 ms OFF
Pulse frequency 25 Hz
Alarm activation delay [s] 1 - 900 s (programmable)
Alarm return hysteresis 0 - 40% (programmable)
Digital Input
Maximum Voltage 240 VAC/DC
Max voltage for OFF state on input 20 VAC/DC
Min voltage for ON state on input 45 VAC/DC
M4M 20-M (MID): The Digital Output 1 of the M4M 20-M Modbus and M4M 20-M Ethernet is assigned as
Pulse Output, associated to the active energy measured value.
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