60
Figure 3-8: Open Collector Output
Item Description
1
CAUTION: Open collector outputs are internally powered at 28 Vdc (0
mA) ~ 24 Vdc (20 mA). Connecting and external power supply will
damage the controller.
2 Alarm #2 is not available with Time Proportional Duplex or Three Position Step
Control unless the Dual Relay option is used.
3 Electromechanical relays are rated at 5 Amps @ 125 Vac or 250 Vac or 30 Vdc.
Users should size fuses accordingly. Use Fast Blow fuses only.
See the table Universal Output Functionality and Restrictions for
relay terminal connections for other Output Algorithm Types.
Chapter 3 - Installation
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