System 450™ Series Modular Control Systems with Standard Control Modules Technical Bulletin
45
Setting up Control System Outputs
After setting up the sensors for your System 450 control system, you can reference the hard-wired sensors (and
any functional sensors that resulted from the hard-wire sensor setup) as you set up the outputs.
Setting up a Relay Output
Relay Outputs provide single and multiple stage on/off control to controlled equipment. A Relay Output can be set
up to be a direct-acting relay or reverse-acting relay (Figure 24 and Figure 25). See Relay Outputs
on page 13 for
more information about System 450 Relay Output operation and the relay ON and OFF states.
When you supply power to a module assembly, the control module polls all of the connected modules, detects all of
the outputs in the module assembly, then assigns an output number to each output, and enables a Relay Output
Setup Start (OUTR
x
) screen for each relay output detected (Figure 26 on page 46).
The first screen in the relay output setup menu flow is the Sensor Selection (SENS
x
) screen. The sensor you
select (Sn-1, Sn-2, Sn-3, HI-2, HI-3, or Sn-d) in this screen determines the Sensor Type parameter ranges and
values available in the remaining output setup screens.
Figure 24: Direct-Acting Relay (OFF < ON)
Set Up to Control Cooling
Figure 25: Reverse-Acting Relay (ON < OFF)
Set Up to Control Heating
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