GESTRA NRR 2-52, Оригинальная инструкция по установке

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In control cabinet: Wiring the operating & display unit
Back of equipment, position of connector
Connection of supply voltage
Pin assignment for data line NRR 2-52, NRR 2-53 - URB 50
PIN 2 Data_L
PIN 7 Data_H
k
D-SUB connector with 9 poles for data line
l
Connector with 3 poles for supply voltage connection
24 V DC
m
Connection for supply voltage 24 V DC, pin assignment
Key
Fig. 9
Fig. 10
Fig. 11
k
+24V #
L+
Common
M
1
2
3
L+
M
k l
m
(L-) (L-)
l
CEP