Regada MP 52 200, Installation, Service And Maintenance Instructions

Page: 16 / 22

14 MP 52 200
·
Turn the adjusting trimmer ZERO (Fig. 7) to adjust
the output current signal rate measured on the
terminals 81-82 to 0 mA or 4mA.
·
Set the actuator to the position „open“.
·
Turn the adjusting trimmer GAIN (Fig. 7) to adjust
the output current signal rate measured on the
terminals 81-82 to 20mA or 5 mA..
·
Check the output signal of the converter in the both
limit positions, and repeat the procedure if needed.
Fig.7
Note:
The output signal of (0-20mA, 4-20mA or 0-5mA - according to the specification) can be adjusted at the range
from 85 up to 100% of the rated stroke stated on the actuator
¢
s nameplate. At values less than 85% the value of
the output signal is reduced proportionally.
Electric local control: - additional
equipment
In case of need (during adjusting,
function checking etc.), but power supply
must be provided, is possible to readjust
actuator by electric local control. After
switching the mode switch to the mode
“LOCAL” it is possible by the direction
switch to control motion of the output part to
setting direction. Signal lights indicate
achievement of limit position at relevant
direction.
From terminal 83 of terminal board
parent control system must be power-
supplied. In opposite case it is not
guaranteed disconnection of remote control
after switching the mode switch to the mode
“LOCAL”.
Fig. 10
4. Service, maintenance and troubleshooting
4.1 Service
1. In general it is provided that service of the EA is performed by a qualified worker in accordance with
requirement given in Chapter 1!
2. After putting the EA into operation it is needed to verify whether during manipulation any scratch on
surface occurred, it is to be removed to prevent actuator against corrosion!
The EA SP/SPR requires just negligible service. Proper putting into operation is a recondition of
reliable operation.
The service of the EA leads from the operation conditions and usually resides in information
processing for further arranging of required functions.
The stuff has to perform prescribed maintenance to prevent the EA during operation against
impacts of environment, which exceed the frame of allowed influences.
4.2 Maintenance - extent and periodicity
During inspections and maintenance it is needed to tighten all screws and nuts which influence
tightness and protection enclosure.
Another maintenance resides in greasing. Changing or filling grease up during first years
operation is not required. To refill or to replenish the grease is needed during revisions. Intervals
between two prevention inspections are four years.
!