Honeywell UMC800 Reference Guide

Function Blocks
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2.73 TPO Function Block,
continued
Configuration Parameters,
continued
Table 2-57 TPO Configuration Parameters
Properties Group Parameter Index# Parameter Description Value or Selection
Address
I/O Module
0 Address of selected I/O module Enter a value:
from 1 to 16
Channel
Channel on selected I/O Module Enter a value:
from 1 to 4
Range
Range Hi
1 High Range Value
-9999 to 9999
Default = 100
Range Lo
2 Low Range Value
-9999 to 9999
Default = 0
Cycle Settings
Cycle Time
3 Output Cycle Time
1 to 120 seconds
Default = 20
Min Off Time
4 Minimum OFF time
0.0 to 15.0 seconds
Default = 0.0
Min On Time
5 Minimum ON time
0.0 to 15.0 seconds
Default = 0.0
Example
Figure 2-77 shows a Function Block Diagram using a TPO function block. Time Proportioning outputs are
commonly used for electrically heated applications where regulating the amount of ON time vs OFF time of
a heater is used to control temperature. In the example the TPO output is used to activate a relay output to
control a heater.
Figure 2-77 TPO Function Block Example

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English