
Chapter 10 Operating Instructions
CLV490 Bar Code Scanner
10-34 © SICK AG · Division Auto Ident · Germany · All rights reserved 8009993/RA61/2007-07-20
Appendix
10.3 Installing and operating the external parameter memory
(connector cover)
The external parameter memory is available as an accessory. It is located in a connector
cover and comprises a permanent, rewriteable memory (EEPROM) with 4 kByte from
CLV490 firmware V 2.0. The connector cover covers the two connections of the CLV490 in
the enclosure rating IP 65. The cover is shown in Fig. 10-32. Depending on the type, two
(one) connection cable(s) that are secured by means of conduit thread connections supply
the signals of the CLV490 with identical pin assignment or limited pin assignment.
Note If the CLV490 is used to replace a CLV 265/CLV 295 equipped with a connector cover (pa-
rameter memory), the CLV490 cannot store its extensive parameter set in this external pa-
rameter memory (too small).
The parameter memory in the connector cover is available in different implementations:
Fig. 10-32: External parameter memory, installed on the CLV490
22
(0.86)
22
(0.86)
88.5
(3.48)
50
(1.79)
27
(1.06)
27
(1.06)
Order no. Design CLV490 Length Connection
2030023 Connector cover, one connection cable with 15-pin D Sub HD
plug. Pin assignment see Chapter 5.3 Connector pin assign-
ment, Page 5-7.
Without
heater
3 m (9.84 ft) CLV490 to CDB420
2033126 Connector cover, one connection cable with 15-pin D Sub HD
plug, one power supply cable with open end. Suitable for track
chain use. Pin assignment see Chapter 5.3 Connector pin assi-
gnment, Page 5-7.
Without
heater
10 m (32.8 ft) CLV490 to CDB420
2033127 as 2033126, but with longer cables Without
heater
10 m (32.8 ft) CLV490 to CDB420
2020307 Connector cover, two connection cables with 15-pin D Sub HD
connections (1 x plug/1x socket).
Pin assignment see Chapter 5.3 Connector pin assignment,
Page 5-7.
Without
heater
3 m (9.84 ft) CLV490 to CDM490
2020981 Connector cover, two connection cables with open ends.
Pin assignment see Chapter 5.3 Connector pin assignment,
Page 5-7.
Without
heater
3 m (9.84 ft) CLV490 to non-Sick
Power pack, free wiring
2030065 Connector cover, two connection cables with 15-pin D Sub HD
connections (1 x plug/1x socket) and one power supply cable
with open end. Suitable for track chain use. Pin assignment see
Chapter 5.3 Connector pin assignment, Page 5-7.
With
heater
3 m (9.84 ft) CLV490 to CDM490
2031 034 as 2030065, but with longer cables With
heater
10 m
(32.8 ft)
CLV490 to CDM490
Table 10-4: Types of the external parameter memory in the connector cover
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