Table 10-28: Master Control Of The Operating Modes - Siemens SIMATIC ET 200pro Quick Manual

Operating modes
The following operating modes are distinguished with rising priority:
• Operating mode 'Automatic'
Control of the motor starter is only with PLC via field bus.
• Operating mode 'Manual bus'
Control of the motor starter is only possible with a control device (e.g. PC) via
field bus.
• Operating mode 'Manual operation local'
Control of the motor starter is possible with
– Local control station at digital inputs
('Motor CLOCKWISE', 'Motor COUNTER-CLOCKWISE', e.g. with switch module
from a test connector set or with external switches)
Requirement: operating mode 'Manual operation local' is set (see below).
– Control device (e.g. PC) via the local device interface
Caution
A higher priority operating mode can always assume master control over a
lower priority operating mode when the appropriate command is issued or with
the 'Manual operation' input action, but not vice versa.
A lower priority operating mode can only reassume master control when the
higher priority operating mode returns master control when the 'Automatic'
operating mode command is issued or the 'Manual local operation' input action
is deactivated, in both cases when the motor is switched off.
The following signaling bits in diagnosis data record DS92 can be used to clearly
determine which control source currently has master control:
– Operating mode 'Automatic'
– Operating mode 'Manual bus'
– Operating mode 'Manual operation local'
– Input Control
– Manual operation connection abort
Automatic
Manual
bus
Operating Operating
mode mode Man-
Automatic ual bus
0 0
0 0
0 0
0 1
0 1
1 0

Table 10-28: Master control of the operating modes

10-42
Manual
Manual operation local
Operating Input Con-
mode trol
'Manual
operation
local'
1 0
1 0
1 1
0 0
0 0
0 0
Master control
Manual opera-
tion connec-
tion abort
0 PC via device interface
1 None
0 Digital input
0 PC via field bus
1 None
0 Control system (PLC)
SIMATIC - ET 200pro motor starter
GWA 4NEB 950 5661-02 DS 04
(lowest priority)
(highest priority)