Status Area Allocations - Omron GQ-CRM21 Operation Manual

4-2-4 Status Area Allocations

The Status Area consists of the following two items.
• Status: The status of the network and of the Gateway Unit
• Participation Flags and Communications Error Flags: Participation and error flags for applicable
Slave Units
Status
The status of the Gateway Unit and the entire network are stored here.
Bit address
(See note 1)
RXn0
RXn1
RXn2
RXn3
RXn4
RXn5
CompoNet Gateway Unit for CC-Link Operation Manual
Name
Communications OFF: Normal
Error Flag ON: Error
Turns ON when a communications error occurs at even one applicable
Slave Unit.*1
*1 This applies to all Slave Units if pin 4 (REGS) on the Gateway Unit
is OFF when the power is turned ON. If pin 4 is ON when the
power is turned ON, then this applies to registered Slave Units
only.
Registration Table Enabled only in Registration Table Enable Mode, i.e., when pin 4
Verification Error (REGS) is ON on the Gateway Unit when the power is turned ON.
Flag OFF: Normal
ON: Verification error
Turns ON if even one Slave Unit node address and corresponding
Slave Unit model do not agree with the information in the registration
table when the power is turned ON.
Note: Remote I/O communications will start even if this flag turns ON.
Reserved. Do not use.
Slave Unit Duplicated OFF: Normal
Address Error Flag ON: Error (The same node address is set for more than one Slave
Unit, the same node address area is being used by more than one
Slave Unit, or a different type of Slave Unit is participating at the same
address after the original Slave Unit left the network.)
Note: Remote I/O communications will start even if this flag turns ON.
Repeater Unit OFF: Normal
Communications ON: Error
Error Flag Note: Remote I/O communications will start even if this flag turns ON.
Repeater Unit Node OFF: Normal
Duplicated Address ON: Error
Error Flag Note: Remote I/O communications will start even if this flag turns ON.
Remote I/O Communications
Description
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