Chapter 4 Technical Information
CLV61x bar code scanner
26 © SICK AG · Germany · All rights reserved · Subject to change without notice 8015592/ZNI9/2017-06-13
Electrical installation
4.6.3 Wiring serial Data Interfaces
The maximum data transmission rate for the serial interface depends on the cable length
and on the type of interface (RS-232). The following recommendations apply:
Risk of Damage to Internal Interface Module
If the serial data interfaces are wired incorrectly, then electronic components of the CLV61x
could get damaged.
Observe the information on wiring.
Carefully check the wiring prior to switching on the CLV61x.
The wiring is done using the connection module, for to do so please see:
Recommendation Use shielded data cables (twisted pair leads).
To prevent interference factors, do not lay data cables over a longer route in parallel
with power supply cables and motor cables, in cable channels, for example.
4.6.4 Wiring the Digital Switching Inputs
The two physical switching inputs "Sensor 1" and "Sensor 2" of the CLV61x can be used for
starting and/or ending the reading clock or for connecting an incremental signal.
Expansion: Additional logical switching inputs in the CLV61x converted to physical "exter-
nal“ switching inputs in the optional connection module
Thanks to the optional CMC600 parameter cloning module in combination with the
CDB620-001/CDM420-0001 connection module, the two additional switching inputs
"External input 1" and "External input 2" on the terminals in the connection module are avail-
able.
Important! These two external switching inputs are not suitable for time critical applications.
The wiring of the switching inputs is done using the connection module, please see:
Type of interface Data transmission rate Distance to the target computer (Host)
RS-232 Up to 19.2 kBd
38.4 kBd ... 115.2 kBd
Max. 10 m
Max. 5 m
Connection module Data interface Chapter
CDB620-001 RS-232
Chapter 4.7.3 Wiring the RS-232 serial Host Data Inter-
face in the CDB620-001 Connection Module, Page 30
CDM420-0001 RS-232
Chapter 4.8.3 Wiring the RS-232 Serial Host Data Inter-
face in the CDM420-0001 Connection Module, Page 41
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