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Status Areas Section 4-1
4-1 Status Areas
A Digital I/O Slave Unit has two internal status areas: the Generic Status Area
and the I/O Status Area. The status flags in these areas are turned ON and
OFF based on the threshold values set by the user for each function in that
Unit.
4-1-1 Generic Status Area
The Digital I/O Slave Unit's Generic Status Area contains the following 16 bits.
Bit Content Description
00 I/O Power Supply Status Flag 1
OFF: I/O power is ON
ON: I/O power is not ON.
Turns ON when I/O power is not
being supplied to terminal block 1.
01 I/O Power Supply Status Flag 2
OFF: I/O power is ON
ON: I/O power is not ON.
Turns ON when I/O power is not
being supplied to terminal block 2.
02 Reserved ---
03 Reserved ---
04 Power or Load Short-circuit Detection
Flag
OFF: Normal
ON: Short-circuit
Turns ON when there is a short in the
power supply or load connection to
the connected devices, including wir-
ing mistakes and connected device
failure.
05 Disconnection Flag
OFF: Connected
ON: Disconnected
Turns ON when the sensor power
supply is not connected or the load is
disconnected due to a wiring error,
failure in the connected device, etc.
06 Reserved ---
07 Reserved ---
08 EEPROM Data Error Flag
OFF: Normal
ON: Error occurred
Turns ON when there is an error in
the EEPROM data.
09 Reserved ---
10 Reserved ---
11 Reserved ---
12 Reserved ---
13 Reserved ---
14 Reserved ---
15 Reserved ---
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