■ CONNECTION DIAGRAM
•DC Power Supply
OUTPUT 1
Ch.1
OUTPUT
OUTPUT 2
OUTPUT
OUTPUT 1
Ch.8
OUTPUT
OUTPUT 2
Ch.1
OUTPUT 2
OUTPUT
INPUT
Ch.8
OUTPUT 2
OUTPUT
CHECKING
1) Terminal wiring: Check that all cables are correctly con-
nected according to the connection diagram.
2) Power input voltage: Check voltage across the power ter-
minals.
3) Installation & environment
MAINTENANCE
Power units' standard life is expected for 10 years with
average ambient temperature 35°C (95°F) and 1.0A load.
Contact M-System for use in extremely different conditions.
■ HOW TO REPLACE THE POWER UNIT (power input code: M2)
1) Prepare Power Unit (switching regulator) model HDC10.
2) Turn off the power supply connected to the Power Unit.
3) Remove the wire binding and wiring connected to the ter-
minal 1 – 2 and 4 – 5.
4) Loosen and remove the mounting screws A (4 places).
5) Detach the Power Unit from the Installation Base.
6) Attach the new Power Unit to the Installation Base and
tighten the screws in reverse order as explained above.
Be sure to use the ferrite core included in the package. (If
it is already used, no extra are required.)
Note: For questions on products purchased before 2009, please
contact M-System.
+
–
+
–
+
–
+
–
A
+
B
Ch.1
–
INPUT
C
D
A
+
B
Ch.8
–
INPUT
C
D
1
+
POWER
2
-
3
FG
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
•AC Power Supply
OUTPUT 1
Ch.1
OUTPUT
OUTPUT 2
OUTPUT
OUTPUT 1
Ch.8
OUTPUT
OUTPUT 2
Ch.1
OUTPUT 2
OUTPUT
INPUT
Ch.8
OUTPUT 2
OUTPUT
A
A
1
2
3
4
5
A
A
M8BS2-164
+
–
+
–
+
–
+
–
A
+
B
Ch.1
–
INPUT
C
D
A
+
B
Ch.8
–
INPUT
C
D
3 FG
AC
4
U
POWER
AC POWER
UNIT
5
V
A
: Mounting screws with
washer, M3 x 6 (4 pls.)
1
: 24V DC (+)
2
: 24V DC (–)
3
: FG
4
: AC power input (U)
5
: AC power input (V)
EM-5495-4 Rev.4 P. 3 / 3
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