General Monitors 4802A Instruction Manual page 11

Model 4802A
Quick-Start Guide
1.5.4 Other Open Collector Outputs
The terminal designation for the Unaccept and the Discrete Calibration / Inhibit Mode
outputs are:
Label Term Description
UA-OC 18d Unaccept Output
CAL/INH 32z CAL-Inhibit Mode Output
Figure 9 – Terminal Designations for
Unaccept and Calibration/Inhibit Mode Outputs
NOTE - If the Backward Compatible configuration is ordered, the CAL/INH will not be
present (pin 32z will be for 0v).
The electrical rating for all open collector outputs is 100mA @ 35Vdc.
Figure 10 illustrates some typical open collector external circuits.
Figure 10 – Open Collector External Circuits
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