3 Operation
3.4 Connecting the device
NZM-XMC Measuring and Communication Module
11/16 MN01219001Z-EN
www.eaton.com
15
3.4.3 Connections for NZM…-XMC-MB and NZM…-XMC-MB-250
Figure 10: Connections for device versions NZM…-XMC-MB and NZM…-XMC-MB-250
The following table shows the connection assignment.
Table 4: Connection assignment for
NZM…-XMC-MB and NZM…-XMC-MB-250
Connection
Description
Modbus
(isolated)
1
Data Ground
2
B RS485
3
A RS485
Modbus display
(not isolated)
4 x 3.5 mm
Phoenix Contact MC 1.5/4-ST-3.5
4
0 V
5
B RS485
6
A RS485
7
5 V DC (built-in)
Inputs/outputs
(isolated)
10 x 5.08 mm
Phoenix Contact MVSTBR 2.5/10-ST-5.08
8
Common output (1/2 common)
9
Output 2
10
Output 1
11
GND (built-in with pin 18)
12
Input 2 (referenced to GND)
13
Input 1 (referenced to GND)
14
Pulse output 2 (Collector)
15
Pulse output 2 (Emitter)
16
Pulse output 1 (Collector)
17
Pulse output 1 (Emitter)
Supply
2 × 7.62 mm
Phoenix Contact GMVSTBR 2.5/2-ST-7.62
18
GND
19
24 V DC supply voltage
NOTICE
Pin 18 (24 V DC supply) is internally connected to Pin 11 (I/O).
1 2 3
4 5 6 7
8 9 10 14 15 16 17 12 13 11
B A
RS485
24V
DISPLAY
Exp card 2
Exp card 1
I1
I2
O1
O2
COM
GND
Po2
Po1
18 19
- +
3W