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Figure 59: Handwheel without/with overload protection
[1]
Handwheel without overload protection (standard)
[2]
Handwheel with overload protection/safety hub (option)
9.2.
Motor operation
In motor operation, the actuator is electrically driven. For this, the actuator may either
be manually operated (via selector switch/shuttle dial) at local controls or electronically
controlled from Remote, e.g. from a DCS.
➭
page 49, Operation commands from Local
➭
page 50, Actuator control from Remote
Valve damage due to incorrect basic setting!
→
Prior to electric actuator operation, perform the basic settings for “type of seating”
and “torque switching”.
9.2.1.
Operation commands from Local
Figure 60: Local controls with selector switch in position LOCAL
Symbol for operation mode Local
[1]
Selector switch LOCAL-OFF-REMOTE
[2]
Shuttle dial for operation commands OPEN/CLOSE (for selector switch position
LOCAL)
How to proceed
1.
Set selector switch [1] to LOCAL.
➥
The actuator changes to operation mode Local.
➥
The symbol
is indicated on the display.
49
TR-M30X – TR-M1000X
TR-MR30X – TR-MR1000X
Operation and control of actuator