Control Signal Connection - REXROTH VFC 3610 Quick Start Manual

Rexroth Frequency Converter VFC
3610 / VFC 5610

2.2.2 Control Signal Connection

The following requirements are applicable to signal connection:
Flexible cables with wire end sleeves
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Cable cross-section: 0.2...1.0 mm
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Cable cross-section for connectors with insulation sleeves: 0.25...1.0 mm
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Analog inputs AI1, AI2, EAI, +10 V, +5 V and GND: use shielded cables
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Digital inputs X1...X5, EX1...EX4, SC, +24 V and COM: use shielded cables
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Analog outputs AO1, EAO and GND: use shielded cables
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RS485 communication: use shielded twisted pair cables
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EAI, EX1...EX4 and EAO belong to I/O card.
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. 2-2: 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.
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Electric Installation
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