
8.2.2 Control Cables
The following requirements are applicable to the signal connection wiring:
●
Flexible cables with wire end sleeves
●
Cable cross-section: 0.5...1.0 mm
2
●
Cable cross-section for connectors with insulation sleeves: 0.75 mm
2
●
Analog inputs AI, +10 V and GND: use shielded cables
●
Digital inputs X1...X4, SC, +24 V and COM: use shielded cables
●
Analog outputs AO and GND: use shielded cables
●
RS485 communication: use shielded twisted pair cables
Recommendations on cable insulation stripping:
Please strip the insulation of control cables according to the dimensions given
below. Too long stripping may cause short circuit of adjacent cables; too short
stripping may lead to cables becoming loose.
Fig. 8-3: Cable insulation stripping length
Please follow the steps below for wiring of control terminals.
Step 1: Switch off the frequency converter before performing wiring.
Step 2: Deactivate the control signals in the wiring process.
Step 3: Switch on the frequency converter.
Step 4: Set respective parameters.
Step 5: Activate respective control signals.
VFC 3210
Bosch Rexroth AG
Frequency Converter Wiring
DOK-RCON04-VFC3210****-IT01-EN-P
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