1
)
In AC500 the following interface identifier applies:
14 = I/O bus, 11 = COM1 (e.g. CS31 bus), 12 = COM2.
The FBP diagnosis block does not contain this identifier.
2
)
With "Device" the following allocation applies:
31 = module itself,
1...10 = decentralized communication interface module 1...10,
ADR = hardware address (e.g. of the DC551)
3
)
With "Module" the following allocation applies depending on the master:
Module error: I/O bus or FBP: 31 = module itself; COM1/COM2: 1...10 =
expansion 1...10
Channel error: I/O bus or FBP = module type (4 = DC); COM1/COM2: 1...10
= expansion 1...10
4
)
In case of module errors, with channel "31 = module itself" is output.
State LEDs
During the power ON procedure, the module initializes automatically. All LEDs (except the
channel LEDs) are ON during this time.
LED State Color LED = OFF LED = ON LED flashes
Inputs
I0...I15
Digital input Yellow Input = OFF
Input = ON
1
)
--
Inputs/ out-
puts
C16...C31
Digital input/
output
Yellow Input/output
= OFF
Input/output =
ON
1
)
--
UP Process
supply
voltage
24 VDC via
terminal
Green Process
supply
voltage is
missing
Process
supply voltage
OK
--
CH-ERR1 Channel
Error, error
messages in
groups (dig-
ital inputs/
outputs com-
bined into the
groups 1, 2,
3, 4)
Red No error or
process
supply
voltage is
missing
Severe error
within the cor-
responding
group
Error on one
channel of the
corresponding
group (e.g.
short circuit at
an output)
CH-ERR2 Red
CH-ERR3 Red
CH-ERR4 Red
CH-ERR
2
)
Module Error Red -- Internal error --
1
) Indication LED is ON even if an input signal is applied to the channel and the
supply voltage is off. In this case the module is not operating and does not gen-
erate an input signal.
2
) All of the LEDs CH-ERR1 to CH-ERR4 light up together
I/O Modules > Digital I/O Modules
2019/04/17 3ADR010121, 13, en_US 329
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