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
+–
0 20 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.
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