ATI Q46H/85 PAA System Part 4 – Electrical Installation
20
O&M Manual
Rev F (8/17)
The two analog outputs for the standard system are present at terminalTB1. The loop-load
limitation in this configuration is 500 Ohms maximum for each output. Also note that these two
outputs are completely isolated from each other to insure that ground loops do not result from the
connection of both outputs to the same device such as a PLC or DCS.
A ribbon cable connects the power supply assembly with the microprocessor assembly located in
the front section of the enclosure. This cable may be unplugged from the front section of the
monitor if service is needed, but should normally be left in place during installation.
Figure 13 - Line Power Connection
The power strip, TB7, allows up to 12 AWG wire. A wire gauge of 16 AWG is recommended to
allow for an easy pass-through into the ½” NPT ports when wiring.
Disconnect line power voltage BEFORE connecting
line power wires to Terminal TB7 of the power supply.
The power supply accepts only standard three-
single phase power. AC power suppl
configured for 90-
260 VAC operation at the factory at
time of order, and the power supply is labeled as
such. Do NOT connect voltages other than the
labeled requirement to the input.
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