ABB AC500 PLC - Measuring Ranges; Voltage Input Ranges; Bipolar Voltage Input Range, Measuring Bridge

LED State Color LED = OFF LED = ON LED flashes
Inputs
I0...I3 and
I4...I7
Analog input Yellow Input is OFF Input is ON
(brightness
depends on
the value of
the analog
signal)
--
UP Process
voltage
24 VDC via
terminal
Green Process
voltage is
missing
Process
voltage OK
--
CH-ERR2 Channel
error, mes-
sages in
groups
(analog
inputs com-
bined into the
groups 2 and
4)
Red No error, or
process
voltage is
missing
Severe error
within the cor-
responding
group
Error on one
channel of the
group
CH-ERR4 Red
CH-ERR *) Module error Red -- Internal error --
*) Both LEDs CH-ERR2 and CH-ERR4 light up together
Measuring Ranges
Voltage Input Ranges
Bipolar Voltage Input Range, Measuring Bridge
Range -50 ... +50
mV
-500 ...
+500 mV
-1 ... +1 V -5 ... +5 V -10 ... +10
V
Common
Mode
Voltage
Overflow > 58.7945 > 587.9449 > 1.17589 > 5.8794 > 11.7589 > 20.0000
Measured
value too
high
58.7945
:
50.0018
587.9449
:
500.0181
1.17589
:
1.00004
5.8794
:
5.0002
11.7589
:
10.0004
Normal
range
Normal
range or
Measured
value too
low
50.0000
:
0.0018
500.0000
:
0.0181
1.00000
:
0.00004
5.0000
:
0.0002
10.0000
:
0.0004
20.0000
:
0.0008
0.0000 0.0000 0.0000 0.00000 0.0000 0.0000
-0.0018
:
-50.0000
-0.0181
:
-500.0000
-0.00004
:
-1.00000
-0.0002
:
-5.0000
-0.004
:
-10.0000
-0.0008
:
-20.0000
Measured
value too
low
-50.0018
:
-58.7945
-500.0181
:
-587.9449
-1.00004
:
-1.17589
-5.0002
:
-5.8794
-10.0004
:
-11.7589
Underflow < -58.7945 < -587.9449 < -1.17589 < -5.8794 < -11.7589 < -20.0000
The represented resolution corresponds to 16 bits.
Device Specifications
I/O Modules > Analog I/O Modules
2019/04/17 3ADR010121, 13, en_US 495