Connecting
5.4 Wiring the power supply and modules
ET 200M
78 Operating Instructions, 12/2008, EWA-4NEB780600602-08
5.4 Wiring the power supply and modules
5.4.1 Wiring rules
Note
For a configuration for "Module change during operation", provide longer cables to the front
connectors (refer to chapter "Wiring front connectors of the signal modules (Page 81)").
Table 5- 1 Wiring rules for the power supply and the IM 153-x
Wiring rules for ... Power supply and IM 153-x
connectable wire cross-sections for solid cables No
without wire end ferrules 0.25 to 2.5 mm
2
connectable wire cross-sections for
flexible cables
with wire end ferrules 0.25 to 1.5 mm
2
Number of wires per connection 1 or combination of 2 wires up to 1.5 mm
2
(total) in
a mutual wire end ferrule
Maximum external diameter of the wire insulation Ø 3.8 mm
without insulation collar 11 mm Stripping length of the wires
with insulation collar 11 mm
without insulation collar Form A, 10 to 12 mm long Wire end ferrules in accordance with
DIN 46228
with insulation collar Form E, up to 12 mm long
Table 5- 2 Wiring rules for front connectors of modules
Front connectors of modules
(screw and spring terminals)
Wiring rules for ...
20-pin 40-pin
connectable wire cross-sections for solid wires No No
without end sleeve 0.25 to 1.5 mm
2
0.14 to 0.75 mm
2
connectable wire cross-
sections for flexible wires
with wire end ferrules 0.25 to 1.5 mm
2
0.14 to 0.75 mm
2
Number of wires per connection 1 or a combination of 2 wires
up to 1.5 mm
2
(total) in a
common wire end sleeve
1 or combination of 2 wires
up to 0.75 mm
2
(total) in a
mutual wire end ferrule
Maximum external diameter of the wire insulation Ø 3.1 mm
max. 20 cables
Ø 2.0 mm
max. 40 cables
without insulation collar 6 mm 6 mm Stripping length of the wires
with insulation collar 6 mm 6 mm
without insulation collar Form A, 5 to 7 mm long Form A, 5 to 7 mm long End sleeves in accordance
with DIN 46228
with insulation collar Form E, up to 6 mm long Form E, up to 6 mm long
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