Allen-Bradley Logix5000 Reference Manual

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 115
Chapter 3
Timer and Counter Instructions
(TON, TOF, RTO, TONR, TOFR, RTOR, CTU, CTD, CTUD, RES)
Timers and counters control operations based on time or the number
of events.
The time base for all timers is 1 ms.
Topic Page
Timer On Delay (TON) 116
Timer Off Delay (TOF) 120
Retentive Timer On (RTO) 124
Timer On Delay with Reset (TONR) 129
Timer Off Delay with Reset (TOFR) 133
Retentive Timer On with Reset (RTOR) 137
Count Up (CTU) 141
Count Down (CTD) 145
Count Up/Down (CTUD) 149
Reset (RES) 153
If you want to Use this instruction Available in these languages Page
Time how long a timer is enabled TON Relay ladder 116
Time how long a timer is disabled TOF Relay ladder 120
Accumulate time RTO Relay ladder 124
Time how long a timer is enabled with built-in reset
in function block
TONR Structured text
Function block
129
Time how long a timer is disabled with built-in reset
in function block
TOFR Structure text
Function block
133
Accumulate time with built-in reset in function block RTOR Structured text
Function block
137
Count up CTU Relay ladder 141
Count down CTD Relay ladder 145
Count up and count down in function block CTUD Structured text
Function block
149
Reset a timer or counter RES Relay ladder 153

Allen-Bradley Logix5000 Specifications

General

Brand	Allen-Bradley
Model	Logix5000
Category	Controller
Language	English