The replacement device does not provide a test button to measure functionality.
Table 55: Diagnosis information of the CS31 bus
Channel Error code (COD-
ESYS)
Error code (CS31
bus bus)
Description
Device error:
0 43 1 Internal error
Channel error:
0 ... 7 45 9 Cut wire (is also indi-
cated if the current in
measuring range 4 ...
20 mA is less than 2
mA)
0 ... 7 49 10 Analog value is out of
measuring range
The error codes that are transferred by the replacement device via the CS31
bus bus are newly displayed in CODESYS. Each error code of the CS31 bus
(table column 3) produces the error code in CODESYS (table column 2). As a
result, it is possible to operate the replacement device with a new control
system (PLC/control unit), e.g. 07KT98-ARC-AD, as well as with an old control
system (PLC/central unit), e.g. 07KT98.
An exceedance of the measuring range is signaled even if nothing is connected
to an analog voltage input.
Table 56: Device LEDs
LED Status Color LED off LED on LED flashes
PWR Voltage supply Gree
n
No internal supply
voltage
Internal supply
voltage
-
CS31
bus
CS31 bus com-
munication
Gree
n
No CS31 bus com-
munication
CS31 bus bus
communication
Only diagnosis, no
data transfer. Trans-
mission is disturbed.
S-ERR Error Red No error Static error
(must be con-
firmed by the
control system)
No CS31 bus con-
nection or activity
I/O bus I/O bus commu-
nication
Gree
n
No I/O bus commu-
nication
I/O bus com-
munication
Error I/O bus com-
munication
The S-ERR LED remains on even if the error no longer occurs. The error must be confirmed by
the control system (PLC/central unit), e.g. by means of a function block
Ä
Chapter 1.3 “System
data and CS31 bus system data” on page 4.
Replacement devices: I/O modules > Replacement device 07AI91-AD
2018/09/24 3ADR010122, 8, en_US 101
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