M-system M8BS-8U0-R User manual

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
EM-5491-U0 Rev.6 P. 1 / 3
INSTRUCTION MANUAL
INSTALLATION BASE
(M3.5 screw terminal / M3.5 screw terminal) MODEL
M8BS-8U0
BEFORE USE ....
Thank you for choosing M-System. Before use, please check
contents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact M-System’s Sales Office or representatives.
■PACKAGE INCLUDES:
Installation base..................................................................(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
■POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
85 – 132V AC rating: 85 – 132V, 47 – 63 Hz, ≥ 130VA
170 – 264V AC rating: 170 – 264 V, 47 – 63 Hz, ≥ 130VA
24V DC rating: 24V ±10%, ≥ 0.7A
■GENERAL PRECAUTIONS
• Before you remove the unit from the base or mount it,
turn off the power supply and input signal for safety.
■ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the installation base inside proper housing and
ventilate it.
• Do not install the base where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within 0 to 55°C or
32 to 131°F (0 to 50°C or 32 to 122°F for AC power) with
relative humidity within 30 to 90% RH in order to ensure
adequate life span and operation.
• Be sure that the ventilation slits are not covered with ca-
bles, etc.
■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.
• Be sure to close the terminal cover for safety.
■AND ....
• The unit is designed to function as soon as power is sup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
COMPONENT IDENTIFICATION
■REAR VIEW
Specifications
MOUNTING REQUIREMENTS unit: mm (inch)
260 (10.24)
4–M5 SCREW
50 (1.97)

M8BS-8U0
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
EM-5491-U0 Rev.6 P. 2 / 3
TERMINAL CONNECTIONS
Connect the unit as in the diagram below.
■EXTERNAL DIMENSIONS unit: mm (inch)
• M8BS-8U0-R
1 2 3 4 5 6 78
123
CH1 CH8
CDCDCDCDCDCDCDCD
CH8CH1
ABABABABABABABAB
++
–+–+–+–+–+–+–
+–+
–
–+–+–+–+–+–+–
95 (3.74)
50 (1.97)
240 (9.45)
260 (10.24)
280 (11.02)
87 (3.43)
3–M3.5
POWER TERMINALS
8.6 (.34)
17 (.67)
POWER LED
7.3(.29)
32–M3.5
OUTPUT TERMINALS
32–M3.5 INPUT TERMINALS
7.3 (.29)
OUTPUT 2 TERM.
OUTPUT 1 TERM.
CT PROTECTOR (CTR) *1
*1. Included with M8CTx.
• M8BS-8U0-K, KK, L
1 2 3 4 5 6 78
CH1 CH8
CDCDCDCDCDCDCDCD
CH8CH1
ABABABABABABABAB
95 (3.74)
50 (1.97)
260 (10.24)
280 (11.02)
17 (.67)
5
4
3
2
1
5
4
3
2
1
PWR1PWR2
++
–+–+–+–+–+–+–
+–+
–
–+–+–+–+–+–+–
5–M3
POWER TERMINALS
6
(.24)
POWER LED
*2
7.3(.29)
32–M3.5
OUTPUT TERMINALS
POWER UNITS
*1
87 (3.43)
106 (4.17)
32–M3.5 INPUT TERMINALS
7.3 (.29)
OUTPUT 2 TERM.
OUTPUT 1 TERM.
POWER LED
*3
1
2
*1. PWR2 provided only for two independent power sources.
*2. Provided only for two independent power sources.
*3. Provided only for single power source.
*4. Included with M8CTx.
CT PROTECTOR (CTR)
*4

M8BS-8U0
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
EM-5491-U0 Rev.6 P. 3 / 3
■CONNECTION DIAGRAM
A
B
C
D
Ch.1
INPUT*
A
B
C
D
Ch.8
INPUT*
PWR2
■DC Power Supply ■Single Power Supply, Two Independent Power Sources
4
5
FG
3
U
V
AC POWER
PWR1 4
5
FG
3
U
V
AC POWER
FG
+
–
POWER
OUTPUT 1
3
2
1
A
B
C
D
Ch.1
INPUT*
A
B
C
D
Ch.8
INPUT*
+
–
OUTPUT 2
OUTPUT 1
OUTPUT 2
+
–
Ch.1
OUTPUT*
+
–
+
–
Ch.8
OUTPUT*
OUTPUT 1
+
–
OUTPUT 2
OUTPUT 1
OUTPUT 2
+
–
Ch.1
OUTPUT*
+
–
+
–
Ch.8
OUTPUT*
PWR2 provided only for two independent power sources.
* The input and output terminals are reversed for model M8YSx, M8YCx.
Use either Output 1 or Output 2 terminal for the input.
WIRING INSTRUCTIONS
■M3.5 Screw (I/O, DC power supply unit)
Torque: 0.8 N∙m
■M3 Screw (AC power supply unit)
Torque: 0.5 N∙m
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
For maintaining AC power supply types, DC Power Supply
Units are available as below:
• 85 – 132V AC: HDC6-2-K
• 170 – 264V AC: HDC6-2-L
Power units’ standard life is expected for 10 years with
average ambient temperature 30°C (86°F) and 0.4A load.
Contact M-System for use in extremely different conditions.
■HOW TO REPLACE THE POWER UNIT
1) Prepare Power Unit (switching regulator) model HDC6-
2-K or HDC6-2-L.
2) Turn off the power supply connected to the Power Unit.
3) Detach the wire binding and remove the wiring connect-
ed to the power terminals 1 – 2 and 4 – 5.
4) Loosen and remove the mounting screws A(4 places) and
the screws which fixing the Power Unit to the base plate.
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.
A A
AA
5
4
3
2
1
5
4
3
2
1
Mounting screws with washer for attaching
power unit, M3 x 5 screws, 2 pls. per unit
A
1
2
3
4
5
: Mounting screws with
washer, M3 x 6 (4 pls.)
: 24V DC (+)
: 24V DC (–)
: FG
: AC power input (U)
: AC power input (V)
■ FRONT VIEW
LIGHTNING SURGE PROTECTION
M-System offers a series of lightning surge protector for
protection against induced lightning surges. Please contact
M-System to choose appropriate models.