ES-5492 Rev.10

M8BS-4

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 our 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)

CONNECTION DIAGRAM

EXTERNAL DIMENSIONS unit: mm [inch]

■ M8BS-4U0-R
■ M8BS-4U0-K,KK,L