
Operating Instructions
Chapter
6
RFH620 Interrogator
Electrical installation
8013105/0000/2009-05-12
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SICK AG · Division Auto Ident · Germany · All rights reserved
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Pin assignment for the serial auxiliary data interface on the 15-pole D-Sub-HD plug:
•
RxD = Pin 2
•
TxD = Pin 3
•
GND = Pin 5
1. Connect the interrogator's serial interface to the host using shielded cables in ac-
cordance with the EMC regulations.
Adhere to the maximum cable lengths.
2. To prevent interference, do not lay cables parallel to power supply cables and motor
lines over a longer distance, e. g., in cable channels.
6.4.3
Wiring CAN interface
Damage to the interface module!
Incorrect wiring of the serial data interfaces can damage electronic components in the in-
terrogator.
>
Observe information about wiring the serial data interface.
>
Check the wiring carefully before switching on the interrogator.
Important
Terminating the RS-422 data interface
Termination can be performed either in connection module CDB620 or CDM420. See ope-
rating instructions "Connection module CDB620" and "Connection module CDM420" re-
spectively.
Important
To wire and configure the interrogator's CAN interface for use in the CAN-SENSOR network,
see the operating instructions "Using the CAN Interface" (no. 8009180, English edition).