MONARCH INSTRUMENT ACT-1B Series, Инструкция по эксплуатации

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4.1 Current Output Option (IO)
The current output is 4 to 20 mA. This output is a current source and
has a 12 V dc internal compliance voltage. (Optional 24 V dc may be
ordered).
Typical connections are as follows: (See Figure 4 below.)
Connect the Positive side of the load to the terminal marked OUT and
the other (Negative) side of the load to the terminal marked COM.
Do not use an external voltage supply.
Note : With the internal 12 V dc compliance voltage, the maximum load
for the current loop is 500 ohms.
If the optional 24 V dc compliance option is ordered, the maximum
load will be 1000 ohms.
Figure 4 Current Output Option Connections