3.4.11 Non-IS terminal block
Figure 3-17: Terminal Block in the Explosion-proof/flameproof Compartment
A. Ground screw
B. Ground screws for communication bus shields
Table 3-8: Terminal Assignment for Non-intrinsically Safe Side (XP/Exd/Exe)
Terminal Designation Function
1 N / - Power, Neutral / DC -
2 L / + Power, Line / DC +
3 K1 A Relay 1 output (optional). Hardware configurable NO/NC.
4 K1 com Relay 1 common
5 K2 A Relay 2 output (optional). Hardware configurable NO/NC.
6 K2 com Relay 2 common
7a/7b P Bus B
Primary communication bus
8a/8b P Bus A
9 S Pwr - Secondary bus power - (optional)
10 S Pwr + Secondary bus power +(optional)
11 S Bus B Secondary communication bus - (optional)
12 S Bus A Secondary communication bus + (optional)
PE PE Power supply protective ground
GND_1 GND_1 Housing chassis/shield Primary bus
GND_2 GND_2 Housing chassis/shield Secondary bus
Installation Reference Manual
December 2019 00809-0100-2410
54 Reference Manual
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