MODEL: M8BS-4

M8BS-4 SPECIFICATIONS

ES-5492 Rev.9 Page 1/3

http://www.m-system.co.jp/

Dual Output Super-mini Signal Conditioners Pico-M Series

INSTALLATION BASE (4 positions)

Functions & Features

• Receiving at the maximum of 4 modules of Pico-M series

signal conditioners

• Power supplied through printed wiring on the base

• Saving wiring work within an instrumentation panel

MODEL: M8BS-4U0-[1][2]

ORDERING INFORMATION

• Code number: M8BS-4U0-[1][2]

Specify a code from below for each of [1] and [2].

(e.g. M8BS-4U0-R/Q)

• Specify the specification for option code /Q

(e.g. /C01)

CONNECTION (output 1/output 2)

U0: Screw terminal block / Screw terminal block

[1] POWER SUPPLY UNIT

AC Power

K: 85 – 132 V AC; single power source

(Operational voltage range 85 – 132 V, 47 – 63 Hz)

KK: 85 – 132 V AC; two independent power sources

(Operational voltage range 85 – 132 V, 47 – 63 Hz)

L: 170 – 264 V AC; single power source

(Operational voltage range 170 – 264 V, 47 – 63 Hz)

DC Power

R: 24 V DC; no power supply unit

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

Redundant power supplies are recommended for long time

use without interruption.

[2] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to M-System's web site.)

Only solder side of the main PWB is coated.

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

GENERAL SPECIFICATIONS

Capacity: 4 positions

Connection

Power input: M3.5 screw terminals (M3 screw terminals for

AC power input) (torque 0.8 N·m, 0.5 N·m for AC power

input)

Input and output: M3.5 screw terminals (torque 0.8 N·m)

Screw terminal: Nickel-plated steel

Isolation: Input to output 1 to output 2 to power to FG

Power indicator LED: ON with normal voltage level

INSTALLATION

Power Consumption

•AC: 130 VA min.

•DC: 0.7 A min.

Operating temperature: 0 to 55°C (32 to 131°F)

0 to 50°C (32 to 122°F) for AC power

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface

Weight:

0.6 kg (1.3 lb) for power code K, L

0.7 kg (1.5 lb) for power code KK

0.5 kg (1.1 lb) for power code R

PERFORMANCE

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength:

1500 V AC @1 minute (input to output 1 or output 2 or

power to FG)

500 V AC @1 minute (output 1 to output 2 to power)

500 V AC @1 minute (output 1 or output 2 to FG for AC

power input)

MOUNTING REQUIREMENTS unit: mm (inch)

160 (6.30)

4–M5 SCREW