Watlow EZ-ZONE RM Limit Module Rev C - Manual (Page 109)

Watlow EZ-ZONE ® RML Module • 106 • Chapter 6 Features
Source A (Run) [Sr;A]
Source Active State A [SAS;A] : High
Source Value A [uS;A]
Source A (Run) [Sr;A]
Source Active State A [SAS;A] : Low
Source Value A [uS;A]
Active Level [Leu] : [High]
Output Value [o;u]
Active Level [Leu] : High
Output Value [o;u]
Active Level [Leu] : Low
Output Value [o;u]
Active Level [Leu] : Low
Output Value [o;u]
Elapsed Time [E;t]
Elapsed Time [E;t]
Time
Time
Time
Time
Timing Diagram of On Pulse with active state falling edge
0
0
0
0
Time [ti]
Time [ti]
off
off
off
off
low
low
high
high
on
on
on
on
Timing Diagram of On Pulse with active state rising edge
Timer
On Pulse
Function
Source
Active State
A
Source
Active State B
Source Function A
Source Instance A
Source Zone A
Source Error A
Source Function B
Source Instance B
Source Zone B
Source Error B
Time
Active Level
Output Value
Error
Source Value A
Source Value B
Elapsed Time
An On Pulse Timer is used to produce an output pulse of a constant
duration. It can be used as a minimum on time for compressor control
or other devices that do not want excessive cycling.