Allen-Bradley Logix5000 Reference Manual

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 87
Chapter 2
Bit Instructions
(XIC, XIO, OTE, OTL, OTU, ONS, OSR, OSF, OSRI, OSFI)
Use the bit (relay-type) instructions to monitor and control the status of bits.
Topic Page
Bit Addressing 88
Examine If Closed (XIC) 90
Examine If Open (XIO) 93
Output Energize (OTE) 96
Output Latch (OTL) 98
Output Unlatch (OTU) 100
One Shot (ONS) 102
One Shot Rising (OSR) 105
One Shot Falling (OSF) 107
One Shot Rising with Input (OSRI) 109
One Shot Falling with Input (OSFI) 112
If you want to Use this instruction Available in Page
Enable outputs when a bit is set XIC Relay ladder
Structured text
(1)
90
Enable outputs when a bit is cleared XIO Relay ladder
Structured text
(1)
93
Set a bit OTE Relay ladder
Structured text
(1)
96
Set a bit (retentive) OTL Relay ladder
Structured text
(1)
98
Clear bit (retentive) OTU Relay ladder
Structured text
(1)
100
Enable outputs for one scan each time a rung goes
true
ONS Relay ladder
Structured text
(1)
102
Set a bit for one scan each time a rung goes true OSR Relay ladder 105
Set a bit for one scan each time the rung goes false OSF Relay ladder 107
Set a bit for one scan each time the input bit is set in
function block
OSRI Structured text
Function block
109
Set a bit for one scan each time the input bit is
cleared in function block
OSFI Structured text
Function block
112
(1) There is no equivalent structured text instruction. Use other structured text programming to achieve the same result. See the description for the instruction.

Allen-Bradley Logix5000 Specifications

General

Brand	Allen-Bradley
Model	Logix5000
Category	Controller
Language	English