Siemens SITRANS VP300 Operating Instructions Manual page 80

Operate
6.2 Parameter description
"2.2.4 DI 2 Direction of action"
Factory setting:
Setting options:
Purpose:
Description:
"2.2.5 DO 1 Function"
Factory setting:
Options:
Purpose:
78
Standard
 Standard
 Inverted
To adjust to normally closed contact (NC) or a normally open contact
(NO).
Use this parameter to set the direction of action of the input.
 Standard: Digital input DI 2 is active when the contact on terminal
21/22 is closed or when there is voltage on terminal 11/12 (signal
status "Low").
 Inverted: Digital input DI 2 is active when the contact on terminal
21/22 is open or when there is voltage on terminal 11/12 (signal
status "High").
Deviation
 Maintenance required
 Maintenance demanded
 Maintenance alarm
 DI 1 Digital input
 DI 2 Digital input
 DI 3 Digital input
 A1 Alarm limit
 A2 Alarm limit
 Deviation
 Not in automatic mode
 Output inverted
Specifying settings for output of error message and fault message.
SITRANS VP300 with or without HART
Operating Instructions, 03/2011, A5E01258666-03