Datalogic PWR-240B, Installation Manual

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INSTALLATION MANUAL
1
CHAPTER 1
OPERATING FEATURES
DESCRIPTION
The PWR-240B is an electrical cabinet housing a 24 Vdc power supply which is used to
power up a varying number of reading devices (depending on the product), along with
their relative accessory devices. See
Chapter 4
for details.
As shown in the Electrical Diagram in
Appendix A
, the AC Input Line passes through a
protective thermo-magnetic circuit breaker and connects to the monophase switching
power supply.
The 24 Vdc output power is connected to the output terminal blocks through a direct
connection block. The direct connection block is protected by the internal power supply
features.
Two output power supply status monitoring signals (DC-OK) are provided to connect to
an optional digital alarm. If for some reason the output voltage is reduced by less than
90% of nominal) these lines open.
OUTPUT PROTECTION
This power supply is specifically designed to power Datalogic devices and implements
output protection according to the type of overload behavior.
Light Overload
Light Overload is defined as application of a load that results in a reduction of the out -
put voltage that remains above 13V. In this case the power supply can deliver up to 14
amperes continuously, see Figure 3 Overload Behavior. Datalogic devices by their nature