Unit Numbers And I/O Allocations; Unit Numbers Of Slice I/O Units (Automatically Allocated) - Omron GRT1 - 11-2007 Operation Manual

Unit Numbers and I/O Allocations

2-2 Unit Numbers and I/O Allocations
2-2-1

Unit Numbers of Slice I/O Units (Automatically Allocated)

The TS indicator shows the status of the Slice I/O Unit itself and the I/O indi-
cators show the status of the connected devices.
Name Color
TS Green
TS
TS
Red
TS
TS
---
TS
■ Digital I/O Units
The following table shows the meaning of the yellow I/O indicator.
Name Color
I/O Yellow
---
The following table shows the meaning of the red ERR indicator.
Name Color
ERR Red
---
The numbers used to identify the Slice I/O Units in a Slice I/O Terminal are
called the Slice I/O Units' unit numbers. These unit numbers are allocated
automatically from left to right starting from #1, when the power is turned ON.
It is not necessary for the user to set these numbers.
Status
Lit Normal status
Flashing Operating
Lit Fatal error
Flashing Non-fatal error
Not lit No power
Status
Lit Normal status
Not lit ---
Status
Lit Error
Not lit Normal status
Section 2-2
Meaning
Normal Unit status
Normal network status
The automatic restore/backup
function is operating.
Unit hardware error
(EEPROM error or WDT
error)
Communications timeout,
incorrect switch setting, etc.
Cold junction compensator
error (GRT1-TS2T only)
• Unit power supply is OFF.
• Unit is waiting for initializa-
tion.
• Unit is being reset.
Meaning
I/O ON
I/O OFF
Meaning
The error depends on the
Unit. Refer to specific infor-
mation for the relative Unit.
No error has occurred.
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