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Quick Start Manual Rev 1.33
003X-608-133
Page
13
6.4.4. Remote
Input
•
The indicator requires a voltage free contact between TXD
and RXD to enable the remote input (ie. SPEC:REM.FN).
Note:
The remote input will not function when in setup or
when using the opto-LINK.
WARNING
The remote input is a
voltage free contact (eg.
button, mechanical relay).
Connection of any active
circuitry may damage the
instrument.
6.4.5. Outputs
•
The output drivers for the instrument are high side drive and
are capable of driving up to 400mA each.
•
This configuration allows for the direct connection of the
instrument
outputs to most types of PLC.
•
The voltage applied to the instrument’s positive power supply
terminal (+) appears on the output lines when the outputs are
active.
•
To drive external loads (eg. relays), connect the output line
directly to the positive side of the relay coil. Connect the
negative side of the relay coil to COMMON.
•
It is recommended that fly-back diodes or transient
suppressors be fitted across inductive loads such as relay
coils to limit switching noise.
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