H 7020 (0606)
496
Wiring of H 7020 single pole mono with output modules F 3330
Two digital output modules F 3330 are connected to the field level via terminal module
H 7020. The two 8-wire system cables are connected single pole to the clamps "A" of the ter-
minal module. The following figures show single pole wiring of two F 3330 output modules in
a combined control and marshalling cabinet or in separate cabinets.
Figure 4: Single pole mono wiring via H 7020
The wires of the two system cables are color coded and are clamped to Combicon connectors.
For output modules the soldering points are only jumpered, different than for input modules.
Note The reference potential L- should be wired separately to a central dis-
tribution (e.g. K 7214). The distribution is connected to clamp "D".
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