6 Expansion cards
6.3 Digital expansion card
NZM-XMC Measuring and Communication Module
11/16 MN01219001Z-EN
www.eaton.com
47
6.3 Digital expansion card
Provides the circuit-breaker with four isolated digital connections (input or
output) with an operating voltage of up to 48 V DC.
I/O function is configurable via Modbus registers.
Figure 30: +NZM-XMC-4DI-4DO, 4 insulates digital connections
Table 17: Pin assignment
6.3.1 Connection
PIN
Configuration
1
Power supply
2
I/O 1
3
I/O 2
4
I/O 3
5
I/O 4
6
GND
1 2 3 4 5 6
+NZM-XMC-
NZM...-XMC-MB
No external supply
Logic level: +5 V - 0 V
External supply V DC
Logic level: V DC - 0 V
configured as input
configured as output
1
2
5
4
3
6
GND
NC
Input: 5 to 0 V DC
1
2
5
4
3
6 GND
24 V DC
Output: 24 V DC