Verifying The I/O Table - Omron SYSMAC C2000H Operation Manual

Preparation for Operation
Monitoring via AR Bits
Key Sequence
I/O table read in progress
[I/O Unit mounting]
Example
4-5-8

Verifying the I/O Table

70
Bit
AR 2200 to AR 2211
AR 2212 to AR 2214
AR 2215
Prior to I/O Unit removal
After mounting the I/O Unit
• The outputs of the I/O Unit will turn ON for an instant (causing the I/O Unit's
LEDs to blink) when replacing an I/O Unit on-line. Be sure to disconnect the
terminal block before removing the Unit. After mounting the new I/O Unit,
be sure to reconnect the terminal block.
The I/O Table Verification operation is used to check the I/O table registered
in memory to see if it matches the actual sequence of I/O Units mounted.
The first inconsistency discovered will be displayed as shown below. Every
subsequent pressing of VER displays the next inconsistency.
Function
A 3-digit BCD number indicating the first word of an I/O
Unit that is being changed on-line.
A 3-bit number indicating the number of words occupied
by the I/O Unit that is being changed on-line.
On-line I/O Unit Change Flag.
[I/O Unit removal]
Indicates that the I/O
Unit can be changed.
Section 4-5