Data sheet
EL ACTUATOR WITH mA POSITION TRANSMITTER, 2-WIRE (Kit option)
Sheet No.: A5.205.01 Rev.B
Date: February 2013
bject to change without notice
+
3
16
Description
Description
This electric actuator variation provides a continuous position indication by transmitting a 4 to 20
This electric actuator variation provides a continuous position
milli-Amp signal, this is proportional to the output shaft position.
indication by transmitting a 4 to 20 milli-Amp signal, this is proportional to the output shaft position.
10K POT
-
36 35 21 20 19
This 2 wire version consists of a potentiometer and an electronic card fed from an external
4
9
(24VDC.)
power consists
supply. of a potentiometer and an electronic
This
2 wire version
card fed from an external (24VDC.) power supply.
5
Top motor
plate
The card is equipped with trimmers for zero and span adjustment and terminals for the internal
6
Span adjust
Limitswitch and rotor
Zero adjust
PC no No req Description
Indication shaft
N
Construction
Construction
The potentiometer and circuit board located on the top motor plate are wired as shown, using
The
circuitstrip.
board located on the top motor plate
the potentiometer
board’s own and
terminal
are wired as shown, using the board’s own terminal strip.
Used on
1
Drive pinion (large)
EL55
EL100/2500
4
1
Potentiometer pinion (small)
EL55
EL100/2500
5
1
Potentiometer spacer
EL55
EL100/2500
6
1
Potentiometer 10K Ohm
EL55
EL100/2500
9
3
Printspacer
EL55
9
3
Spacer/screw
16
1
Position transmitter board
Specification
Specification
Input
Input
:
Output
Output
:
Temperature :
Temperature
Potentiometer:
Potentiometer
EL100/2500
EL55
-
+
Nr.:
4-20mA
I
com
no
nc
21
nc
Br
Limitswitch 3
com
no
nc
Limitswitch 4
Potentiometer
www.El-O-matic.com
Copyright © Emerson Process Management. The information in this document is subject to change without notice.
Updated data sheets can be obtained from our website www.El-O-Matic.com or from your nearest Valve Automation Center USA: +1 813 319 0266 Europe: +31 74 256 10 10 Asia-Pacific: +65 6501 4600
PT2
20
Bl
Heater
10W
Br
Motor Limitswitch Limitswitch
close 1
open 2
1~
19
com
no
Blue
+
Green
-
3) Wiring diagram for EL55 120V/50Hz + PT2
22 23 24 25 26 27
Yellow
R
36
White
nc
35
Red
no
10 11 12
Black
com
9
Brown
8
Brown
7
Green
Dec. '99
Date:
Actuator
wiring
6
Blue
C
5
Yellow
4
White
3
Red
2
Black
5.205.01
1
: eg. Kit, PT2/EL 55 120/60
Note 1) When supplied as a kit option, all the components as
Note 1)shown
When
a kit option,
all the components
as shown are included,
aresupplied
included,as
together
with an instruction
sheet.
together
withis an
instruction
sheet
2) Wiring
diagram
shown
with actuator
in mid position.
Wiring
diagram
is shown
with actuator
in mid position
3)2)Wiring
diagram
for EL55
220V/50Hz
+ PT2
16A
Open
Close
:24VDC.
24VDC.
: 420tomA,
20 with
mA,adjustable
with adjustable
zero
and span
4 to
zero and
span.
: -4°F
to +158°F
-20°C
to +70°C.
:10KΩ
10KΩ
(see(see
sheetsheet
5.202).A5.202)
Identification
Identification
Factory
“+ PT2”
to thetobasic
size. size
FactoryOption
Option: Add
: Add
“+ PT2”
the actuator
basic actuator
: eg.
EL100
220/50
+ PT2 + PT2
: eg.
EL100
120/60
Kit
: Actuator
size is
added
to: “Kit,to:
PT2”
KitOption
Option
: Actuator
size
is added
“Kit, PT2”
: eg. Kit, PT2/EL 55 220/50
EL100/2500
Indicator supply
L
Field wiring
The
is equipped
with trimmers for zero and span adjustment and
andcard
external
connections.
terminals for the internal and external connections.
3
Incoming power
EL ACTUATOR WITH mA POSITION TRANSMITTER, 2-WIRE (Kit option)
VALVE AUTOMATION
24VDC