Registration Table - Omron GQ-CRM21 Operation Manual

4-1-3 Registration Table

Overview
A registration table is used to register Slave Units that are intended to participate at particular node
addresses (along with the models corresponding to the node addresses) to enable verifying that they
actually are participating. At the same time, using the registration table prevents unregistered Slave
Units and Slave Units of the wrong node addresses or models from participating in the network.
Example:
Registration Table
4
Node
00
01
02
Gateway Unit
This function is enabled only in Registration Table Enable Mode, i.e., when pin 4 (REGS) is ON on the
Gateway Unit when the power is turned ON and the registration table data is normal. It can be used in
any communications mode.
If a Slave Unit is found to be not in agreement during the verification, the Registration Table Verification
Error Flag (status bit 01) will turn ON.
4 - 5
Model
CRT1-ID16
CRT1-ID16-1
CRT1-OD16
Verification
CompoNet network
Slave
Slave
Unit Unit
Input slave Input slave
node 00 node 01
CRT1-ID16 CRT1-ID16-1
Does not agree. (Model is wrong.)
Because it does not agree, this Slave
Unit cannot participate.
Slave
Unit
Output slave
node 02
CRT1-OD16-1
CompoNet Gateway Unit for CC-Link Operation Manual