CIPer
TM
MODEL 50 CONTROLLER
–
INSTALLATION AND COMMISSIONING INSTRUCTIONS
31-00233-02
72
Connect earth ground to the proper terminal of the CPU.
Figure 60: Connecting and earthing multiple CPUs
24 V
~
24 V~0
LINE
L
N
CPU 1
CPU 2
CPU 3
CPU N
NOISE-FREE EARTH GROUND
(ONLY ONE PER SYSTEM)
2
2
2
2
1
1
1
1
24V~
24V~
24V~
24V~
24V~0
24V~0
24V~0
24V~0
GND
F
IE
L
D
D
E
V
IC
E
24 V
~
Y
DEVIATING
NUMBERING!