General Monitors TA102A Instruction Manual page 13

Zero two series trip amplifier module for combustible gas applications
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Figure 14 is a block diagram that shows the switch connections for the Card Test
feature.
Figure 14 – Switch Connections for Card Test
The Card Test Input is provided so that the user can access the Card Test feature
remotely. One end of a normally open SPST switch is connected to this termination.
The other end is connected to system common. To activate the feature, simply press
and hold the switch for as long as the test time is to be run.
1.5.7 Analog Output Signal
The terminal designations for the Analog Output Signal are:
Label
AO+
AO-
Figure 15 – Terminal Designations for Analog Output
NOTE - If the Analog Signal is not used, a jumper must be placed between 20d & 22d.
Figure 16 is a diagram of the Analog Signal connections.
Term
20d
Analog Signal (plus)
22d
Analog Signal (minus)
Figure 16 – Analog Signal Connections
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Model TA102A
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