8
Option Description:
NO (Normally open) relay contact is closed when either alarm is active. Jumpers on the board can be
removed to activate the output for a single alarm only:
JP1 - Alarm A1
JP2 - Alarm A2
The relay life is greater than 100,000 operations at 5 operations per second switching full load.
*
Connect load and supply voltage per the following table:
*
*
Option Description: Provides a one-to-one connection between the controller and an RS-232 port.
Computers, PLCs, or dumb terminals may be used to set and access controller data.
Figure 13. Wiring for Relay Normally Open Alarm Output
Figure 14. Wiring for RS-232 Communications
Load Type 5 Amp Voltage Limit
Resistive DC 30 Vdc
Inductive DC (L/R = 7ms) 20 Vdc
Resistive AC 250 Vac
Inductive AC (pF = 0.4) 150 Vac
Motor, AC, 1/6 hp 250 Vac
Tungsten Lamp, 360 W 120 Vac