Di Channels - Emerson Bettis XTE3000 Installation, Operation And Maintenance Manual

Section 6: Function Blocks Description
January 2022
6.2.1

DI Channels

Table 8.
CH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20
Actuator
Description
Command
Out of FF control Not operational by FF interface.
FF can only read data
FF Only read (other operator interface has
the control).
FF positioner The actuator is ready to follow the
available setpoint from the bus.
The actuator is ready to follow the
FF ON/ OFF available Open / Close / Stop commands from
the bus.
Fully open Fully open position
Fully close Fully close position
Actuator stop in an intermediate
Intermediate stop
position.
0 until the fully open position reached
0 Until open and at 1 until the fully close position
reached.
1 until the fully open position reached
1 Until open and at 0 until the fully close position
reached.
Position < = trigger xx position < = xx% trigger
Position > = trigger yy Valve position > = xx% trigger
The actuator is moving in
Actuator opening
opening direction.
The actuator is moving in
Actuator closing
closing direction.
Actuator moving The actuator is moving.
The current movement is in the OFF
Motion Inhibited
period when the TIMER is active.
Open command not available due to
Not operative in
current Interlock active or Alarms trip
open dir.
in Opening direction.
Close command not available due to
Not operative in
current Interlock active or Alarms trip
close dir.
in Closing direction.
ESD in progress ESD operation in progress.
(3)(2)
Open interlock Open Interlock operation
in progress in progress.
Close interlock Open Interlock operation
in progress in progress.
Installation, Operation and Maintenance Manual
Meaning
0: Inactive
1: Actuator not in FF control.
0: FF can read data and control actuator.
1: FF can read data, other operator
interface has control.
0: Actuator unable to follow setpoint
from bus.
1: Actuator ready to follow setpoint from
the bus.
0: Actuator unable to execute Open / Stop
/ Close commands from bus.
1: Actuator able to execute Open / Stop /
Close commands from bus.
0: Inactive
1: Valve in fully open position.
0: Inactive
1: Valve in fully close position.
0: Inactive
1: Valve stopped in an intermediate position.
0: Inactive
1: 0 until fully open and 1 until fully close
0: Inactive
1: 1 until fully open and 0 until fully close
0: Inactive
1: Valve position < = trigger 'xx' as defined
at Local Operator Interface.
0: Inactive
1: Valve position > = trigger 'yy' as defined
at Local Operator Interface.
0: Actuator not opening.
1: Actuator is moving in opening direction.
0: Actuator not closing.
1: Actuator is moving in closing direction.
0: Actuator not moving.
1: Actuator moving in opening or in
closing direction.
0: Inactive
1: In On/Off service: set during Off period
when Timer is active.
In Modulating service: set during delay
time before next positioning.
0: Open command available.
1: Open command not available due to
current Interlock active or Alarms trip
in Opening direction.
0: Close command available.
1: Close command not available due to
current Interlock active or Alarms trip in
Closing direction.
0: ESD not active
1: ESD command active
0: Inactive
1: Open Interlock operation in progress.
0: Inactive
1: Close Interlock operation in progress.
MDE 255 Rev. 0
Function Blocks Description