
Modbus Commands
2-37
SIMATIC TI505/TI500 MODNIM User Manual
The
options for each of the fields in the response are listed in T
able 2-7.
T
able 2-7 Function Code 17 Response Options
Option Code Description
Slave ID
(Identifies
SIMATIC TI PLC)
(Note:
There can be no
guarantee that these
codes will not be used
by other devices on a
Modbus network.)
20
25
2C
30
3C
35
45
55
60
65
75
SIMATIC
TI520
SIMATIC
TI525
SIMATIC TI520C
SIMATIC
TI530
SIMATIC TI530C
SIMATIC
TI535
SIMATIC
TI545
SIMATIC
TI555
SIMATIC
TI560
SIMATIC
TI565
SIMATIC
TI575
Run Light
00
FF
OFF
ON
00 Operational and performing instruction data type
and loop execution (RUN).
01 Operational and performing instruction data type
and executing with a non-fatal error (RUN with
non-fatal error).
Operational Mode
(HH)
03 Operational and not performing instruction data
type execution or loop execution (PROGRAM).
05 Operational and not performing instruction data
type execution or loop execution and a non-fatal
error is detected (PROGRAM with non-fatal error).
80 Not operational due to fatal error condition.
PLC Auxiliary
Power Supply
Status (EE)
00
80
Auxiliary power source good.
Auxiliary power source not good.
MODNIM
Operational Port
0A
0B
Port A is in use.
Port B is in use.
Software Version
00
20
30
Release
1.0
Release 2.0
Release 3.0
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