Siemens SIWAREX WP251 User Manual

Scale parameters and functions
8.8 DR 7 Process interfaces
SIWAREX WP251
92 Manual, 12/2015, A5E37203357A
8.8.5
Response of digital outputs to faults or SIMATIC STOP
This parameter allows you to define the response of the digital outputs following a fault of the
SIWAREX module or SIMATIC STOP.
Function
code
Response
0 (default)
Outputs are switched off
1 Outputs are not switched off (continue)
2
The relevant substitute value is activated
3
Outputs are switched on
8.8.6
Substitute value for DQ 0, 1, 2, 3 following fault or SIMATIC STOP
The outputs are usually reset following a module fault (operating error) or SIMATIC CPU
STOP. This response is the default setting.
If an output is to be set following a fault, this response is defined using this parameter. The
"Response of digital outputs to fault or SIMATIC STOP" parameter must also be set to
"Output substitute value".
Examples
Table 8- 6 Bit 0 defines digital output 0 (DQ 0)
Value of bit 0
Value of DQ 0 following fault
0 (default)
0
1 1
Table 8- 7 Bit 1 defines digital output 2 (DQ 2)
Value of bit 2
Value of DQ 2 following fault
0 (default)
0
1
1
NOTICE
Risk to the plant
If an output is set following a fault (operating error), this can pose a risk for the plant.
Ensure that the parameters are correctly set.

Siemens SIWAREX WP251 Specifications

General

Brand	Siemens
Model	SIWAREX WP251
Category	Accessories
Language	English