Siemens SIRIUS 3RW5 series User Manual

Messages and diagnostics
7.4 Faults and remedial measures
SIRIUS 3RW5 Modbus TCP communication module
62 Manual, 03/2018, A5E43676481002A/RS-AA/001
7.4
Faults and remedial measures
The following table describes possible faults and remedies for the 3RW5 communication
module. Faults and remedies for the 3RW5 soft starter can be found in the Manual of the
3RW5 soft starter.
Fault No.*
Fault
Cause
Remedy
303 Bus error -
• Check the bus connection.
• Check the bus parameters.
• The fault is acknowledged automatically
once it has been rectified.
*visible on the display of the 3RW5 HMI Standard
7.5
Messages about the mode
The following message bits in the "Soft starter diagnostics" data table (Page 82) clearly
indicate which control source currently has control priority:
● Automatic mode (
①)
● Manual operation local (
②)
● Manual operation local - input controlled (
③)
● Manual operation local - HMI controlled (
④)
● Manual operation local - PC controlled (
⑤)
● Connection abort in manual mode (
⑥)
Automatic
Manual
Control priority is with:
Manual operation local
①
②
③
④
⑤
⑥
0
0
0
0
0
0
Message is not permitted.
1 0 0 0 0 0 Modbus client (e.g. PLC) controlling via fieldbus.
0
1
0
0
0
1
No control source.
0
1
1
0
0
0
Digital input controlling.
0
1
0
1
0
0
HMI controlling.
0
1
0
0
1
0
PC controlled via local interface.
For more information on setting the operating mode, see chapter Operating modes and
master control function (Page 25).

Siemens SIRIUS 3RW5 series Specifications

General

Brand	Siemens
Model	SIRIUS 3RW5 series
Category	Controller
Language	English