Wiring
5.15 Labeling ET 200SP
Distributed I/O system
134 System Manual, 12/2016, A5E03576849-AG
● Color coding of the potential group
– Opening the potential group: Light-colored terminal box and light-colored mounting rail
release button
– Further conduction of the potential group: Dark-colored terminal box and dark-colored
mounting rail release button
● Color coding of the spring releases
– Process terminals: gray, white
– AUX terminals: turquoise
– Additional terminals: red, blue
– Terminals for self-assembling voltage buses P1, P2: red, blue
Color coding of the module classes
Color coding of the potential group
Color coding of the spring releases (by group)
Figure 5-33 Factory markings
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