MG ST User manual

EM-1682 Rev.4 P. 1 / 3
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
INSTRUCTION MANUAL
SOFT-TERMINAL MODEL ST/STL
BEFORE USE ....
Thank you for choosing us. Before use, please check con-
tents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact our sales office or representatives.
■PACKAGE INCLUDES:
Soft-terminal .......................................................................(1)
Cable (1 meter; 3.3 ft) with connector................................(1)
■MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
POINTS OF CAUTION
■GENERAL PRECAUTIONS
• Before you remove the unit or mount it, turn off the input
signal for safety.
■ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the unit inside proper housing with sufficient
ventilation.
• Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within 0 to 40°C (32
to 104°F) with relative humidity within 30 to 75% RH in
order to ensure adequate life span and operation.
■WIRING
• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
INSTALLATION
■PANEL CUTOUT unit: mm (inch)
Panel thickness: 0.5 to 6 (.02 to .24)
21.0 +0.6(.85)
0 (.83)
93.0
+0.6 (3.69)
0 (3.66)
45.0 sq.
+0.6 (1.80)
0 (1.77)
■ST ■STL
COMPONENT IDENTIFICATION
MA
+–
020 10040 60 80
%
DOWN UP
0
20
100
40
60
80
%
UP
DOWN
MA
STL
–
+
A
B
C
D
• COMPONENT IDENTIFICATION
No. COMPONENT FUNCTION
(A) Indicator 4 – 20 mA DC ammeter, class 2.5
(B) UP/DOWN switches When AUTO/MANUAL switch is
on M side, pressing UP/DOWN
switch increases or decreases the
output of analog backup or com-
puter backup station.
(C) AUTO/MANUAL
switch
A side: The output of analog
backup or computer backup station
tracks the input.
M side: The output of analog
backup or computer backup station
is hold. The output is increased or
decreased with UP/DOWN switch.
(D) Monitor terminals By connecting DC ammeter, the
output current of analog backup
or computer backup station can be
measured.

ST / STL
EM-1682 Rev.4 P. 2 / 3
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
TERMINAL CONNECTIONS
Connect the unit as in the diagram below.
■EXTERNAL DIMENSIONS unit: mm (inch)
• ST
75 (2.95)9
(.35)
MOUNTING BRACKET
48 (1.89) sq.
approx. 20 (.79)
for wiring
MA
+–
020 10040 60 80
%
DOWNUP
11
0
• STL
80 (3.15)9
(.35)
MOUNTING BRACKET
24 (.95)
96 (3.87)
approx. 20 (.79)
for wiring
0
20
100
40
60
80
%
UP
DOWN
MA
STL
–
+
1
10
• Cable with connector
Approx. 1000 (3.3 ft)
*One end of the cable is cut off.
1
10
brown
red
yellow
green
purple
blue
orange
gray
white
black
■CONNECTION DIAGRAM
UP
DOWN
MANUAL CONTROL
AUTO
1 brown (UP)
2 red (DOWN)
3 orange (COM.)
4 yellow
5 green
6 blue (+)
7 purple (–)
8 gray
9 white
10 black
AUTO-MANUAL
SELECTOR
SWITCH
OUTPUT
INDICATOR
MONITOR
TERMINALS
(4 – 20mA DC)
OUTPUT TO
BACKUP STATION
INPUT FROM
BACKUP STATION
+
–

ST / STL
EM-1682 Rev.4 P. 3 / 3
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
CONNECTION EXAMPLES
■TO ANALOG BACKUP STATION
+
UP
DOWN
MANUAL CONTROL
1
2
3
4
5
6 (+)
7 (–)
8
9
10
AUTO-MANUAL
SELECTOR
SWITCH
OUTPUT
INDICATOR
MONITOR
TERMINALS
(4 – 20mA DC)
10-pin
CONNECTOR
MANUAL OUTPUT(↑)
MANUAL OUTPUT(↓)
COM.
(+) INPUT
(–) INPUT
(–) OUTPUT
(+) OUTPUT
COMPUTER FAILURE
9
10
11
5
6
2
1
3
4
POWER
7
8
–
+–
+–
E/P 4 – 20mA DC
FEEDBACK
SIGNAL OUTPUT
STOP
ST/STL ANALOG BACKUP STATION
FIELD
CONTROL VALVE FLOWMETER
COMPUTER
PANEL
FRONT BACK
■TO COMPUTER BACKUP STATION
+
UP
DOWN
MANUAL CONTROL
1
2
3
4
5
6 (+)
7 (–)
8
9
10
AUTO-MANUAL
SELECTOR
SWITCH
OUTPUT
INDICATOR
MONITOR
TERMINALS
(4 – 20mA DC)
10-pin
CONNECTOR
MANUAL OUTPUT ( )
MANUAL OUTPUT ( )
COM.
(–) OUTPUT
(+) OUTPUT
COMPUTER FAILURE
9
10
11
5
6
2
1
3
4
POWER
7
8
–
+–
+–
E/P 4 – 20mA DC
FEEDBACK
SIGNAL
ST/STL COMPUTER BACKUP STATION
FIELD
CONTROL VALVE FLOWMETER
COMPUTER
PANEL
FRONT BACK
STOP
UP
DOWN
AUTO OUTPUT ( )
AUTO OUTPUT ( )
AUTO