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7907EX
Econ 7907EX User Manual
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Installation & Operati
on
Manual
Proven
Quality since 1892
ECON actuator Fig. 7907, type ELA80
–
3000
www.eriks.com
Rev.23
–
August, 2023
20
A
ut
o-Fu
ll
Sw
it
ch
(Sw
it
ch
3) On
(u
p)
S
igna
l: 4.3~4mA
F
ull
y Clo
se
d
S
igna
l: 19.7~20mA
F
ull
y
Op
en
A
ut
o-Fu
ll
Sw
it
ch
(Sw
it
ch
3) O
ff
(d
ow
n)
S
igna
l: 4mA
F
ull
y Clo
se
d
S
igna
l: 20mA
F
ull
y
Op
en
C)
F
ail P
o
si
t
i
on
Set
ting (SW3 on P
CU-A or SW1 on PCU-
D)
User
c
an
sele
ct
t
he
fail
po
sition
of
the
ac
tu
at
or
in
case
of
con
tr
ol
si
gnal
f
ai
lu
re
by
adjus
ti
ng
the
DIP swit
ches as
fol
low
s:
Fail
Clo
se
Fail
Op
en
Fail Last
Po
siti
on
D)
Sp
ecial Signal
Se
tt
in
g
f
or
Fully
Op
en
and
Fully
Clo
sed
CH 2 Switch
CH 1 Switch
Auto-Full Switch
Fail Open Switch
Fail Close Switch
Fail Position
Setting Switch
20
22
Table of Contents
Table of Contents
2
Introduction
4
Purpose
4
Safety Notices
4
Product Identification
5
Marking
5
Applied Standards
6
Certification
6
Initial Inspection
6
Storage
6
General Information and Features
7
General Information
7
Standard Technical Data
7
ELA Actuator Versions and Additional Technical Data
7
ELA-Series Options
8
Duty Cycle
8
Space Heater
8
Hand Wheel and Declutching
8
Lubrication
9
External Parts for Standard Models
9
Ela80-1200
9
ELA2000 - 3000 (Actuator + Gear Box)
9
Internal Parts for Standard Models
10
Ela80-3000
10
Installation
11
Pre-Installation
11
Use in General Service
11
Use in Potentially Explosive Atmosphere
11
Actuator Mounting
11
Actuator Mounting Base Details (ISO 5211)
12
Actuator Drive Bushing
12
Limit Switch Setting
13
Torque Switch Setting
14
Counter-Clockwise to Close Setting
14
Mechanical Travel Stop Adjustment
14
Setting Potentiometer (Optional)
15
Current Position Transmitter - CPT (Optional)
15
Standard Features
15
Calibration of Zero and Span - CPT
16
Proportional Control Units - PCU (Optional)
17
PCU-A Proportional Control Unit Alternating Current
17
PCU-D Proportional Control Unit Direct Current
18
LED Signal Indication
19
Setting PCU Functions
19
PCU-EB Proportional Control Unit Alternating Current (2020 Version)
24
AC/DC Multi-Board (Optional)
32
RECHARGEABLE BATTERY PACK - RBP (Optional)
33
General
33
Features
34
Specifications
34
PCB Layout
35
Operations
37
FIELDBUS COMMUNICATION PROTOCOLS (Optional)
38
Profibus Controler
38
Specification
38
Modbus Controler
38
Specification
39
Operation
40
Electrical Connections and Preliminary Test
40
Maintenance
41
Tools
41
Trouble Shooting
42
Installation and Maintenance Tips
43
Wiring Diagrams
44
Grounding
71
4
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Econ 7907EX Specifications
General
Brand
Econ
Model
7907EX
Category
Controller
Language
English
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