Configuration
2
0
1
8
-0
7
33
CB_D
The variable CB_D provides detailed status, alarm, and fault signals of the valve. The variable
consists of 3 bytes.
The information is bit-coded as follows:
Bit
Description
0
The valve is set to fail-safe state.
1
Unused
2
Unused
3
Unused
4
After a correct switching operation, the valve has left the appropriate end
position or the PFCs show an invalid position.
5
Lead breakage of the valve.
6
Lead short circuit of the valve.
7
Unused
8
Valve is in the process of opening.
9
Valve is in the process of closing.
10
Update event. 10-s message while changing the parameters of this
channel.
11
The channel is in simulation mode.
12
Unused
13
Unused
14
Valve moved into the mechanical safety position.
■
In case of fault if fault states = Actuator Fail Action.
■
In Manual mode if status of manual setpoint of valve is BAD.
15
A cyclic functional test is currently carried out.
16
The limit value for the stroke counter has been exceeded.
17
The breakaway time OPEN-CLOSED including tolerance has been
exceeded/fallen below.
18
The breakaway time CLOSED-OPEN including tolerance has been
exceeded/fallen below.
19
A fault occurred during the cyclic function test of the valve.
20
The transit time OPEN-CLOSED including tolerance has been
exceeded/fallen below.
21
The transit time CLOSED-OPEN including tolerance has been
exceeded/fallen below.
22
Actuating drive or valve mechanically blocked.
23
Unused
