·Some details are not shown. Please refer to specification sheets for all information.

B5MS

Super-mini Two-wire Terminal Block
Signal Conditioners B5-UNIT

POTENTIOMETER TRANSMITTER

Functions & Features
• Provides an isolated 4 – 20 mA DC output proportional to a potentiometer or slidewire position input
• Constant voltage excitation
• Monitor terminals
• High-density mounting
• Power LED

MODEL: B5MS[1]

ORDERING INFORMATION
• Code number: B5MS[1]
Specify a code from below for [1].
(e.g. B5MS/K/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] OPTIONS (multiple selections)
Response Time (0 – 90 %)
blank: Standard (≤ 0.5 sec.)
/K: Fast Response (Approx. 25 msec.)
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating

GENERAL SPECIFICATIONS
Construction: Terminal block
Connection: M3.5 screw terminals (torque 0.8 N·m)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output
Zero adjustment: 0 – 30 % of total resistance (front)
Span adjustment: 70 – 100 % of total resistance (front)
Power LED: Orange light turns on when the power is supplied.

INPUT SPECIFICATIONS
Input: Potentiometer; 100 Ω – 10 kΩ
Minimum span: 70 % of total resistance
Excitation: 0.2 V DC

OUTPUT SPECIFICATIONS
Output: 4 – 20 mA DC
Load resistance vs. supply voltage:
Load Resistance (Ω) = (Supply Voltage (V) – 12 (V)) ÷ 0.02 (A)     (including leadwire resistance)

INSTALLATION
Supply voltage: 12 – 28 V DC
Operating temperature: -40 to +80°C (-40 to +176°F)
Operating humidity: 0 to 90 %RH (non-condensing)
Mounting: DIN rail
Weight: 60 g (2.1 oz)

PERFORMANCE in percentage of span
Accuracy: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute
(input to output to ground)

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
  EN 50581

EXTERNAL VIEW

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.