POWER SUPPLY CONNECTIONS
The CLV requires a power source of 5 V DC to 30 V DC. Current requirement for the CLV is 100 mA. Power supplies suitable
for the CLV include:
1. Power supply from SICK Optic-Electronic, Inc.
2. Another power supply provided by the customer. This power supply must meet the following specifications:
The 24 V DC output circuit must be isolated from the input circuit by double insulation and an isolating transformer. (Ref. IEC 742
and DIN / VDE 0551.)
Output voltage: 5 V DC ± 5% to 30 V DC ± 20%
Power output: minimum 15 VA
Current output: peak current maximum 1 A/continuous current minimum 500 mA
PHYSICAL CONFIGURATIONS OF SCANNERS
Host communication configurations include: point-to-point, daisy-chain (master/slave or pass-through), and network (RS 485
multidrop).
POINT-TO-POINT CONFIGURATIONS
In a point-to-point configuration, the CLV is connected directly to the host device via a power supply distribution unit. Figure 2-5
shows both of these point-to-point configurations. Functions include:
• Transmission of decoded bar code information from CLV to host
• Transfer of selected diagnostic reading data from CLV to host
• Relay of error strings from CLV to host
• Trigger of reading gate from host to CLV
• Programming and operation via command strings from host to CLV
11
SICK Optic-Electronic
Bar Code Scanners
2
Installation
Figure 2-5 Point-to-Point Configuration with RS 232 or RS 422 via Host Port
HOST DEVICE
DISTRIBUTION
UNIT
CLV
RxD TxD
RxD
TxD
HOST DEVICE
DISTRIBUTION
UNIT
CLV
T+ R-
T-
R+
T+
T-
R-
R+
RS 232
RS 422
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