Configuring the Relay Multiplexer Modules
Warnings and Cautions
WARNING
Caution
Chapter 2
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This chapter shows how to connect external wiring to the 16-Channel Relay
Multiplexer Modules, and how to configure them:
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SHOCK HAZARD.
Only service-trained personnel who are aware of
the hazards involved should install, remove, or configure the
modules. Before installing any module, disconnect AC power from the
mainframe and from user wiring.
To prevent electrical shock, all wires to the channel connections must
be insulated to at least 120 Vrms (170 V peak).
MAXIMUM VOLTAGE/CURRENT.
applied between High (H), Low (L), and Guard (G) terminals is 170 V
dc or 120 V rms (170 V peak) for the E1345A/47A or 250 V dc or AC
RMS (354 V peak) for the E1343A/44A. Maximum current is 50mA
(non-conductive) per channel.
STATIC ELECTRICITY.
component failure. To prevent damage to the electrical components in
the multiplexer module, observe anti-static techniques whenever
removing a module from the mainframe or whenever working on a
module.
Configuring the Relay Multiplexer Modules
Maximum voltage that may be
Static electricity is a major cause of
Chapter 2
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