MODEL: B5RS

B5RS SPECIFICATIONS

ES-1518 Rev.8 Page 1/3

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

Super-mini Two-wire Terminal Block

Signal Conditioners B5-UNIT

RTD TRANSMITTER

Functions & Features

• Accepts direct input from a RTD and provides an isolated

4 – 20 mA signal

• Linearization and burnout

• Monitor terminals

• High-density mounting

• Power LED

25 (.98)

97

(3.82)

41 (1.61)

mm (inch)

MODEL: B5RS–[1][2]

ORDERING INFORMATION

• Code number: B5RS-[1][2]

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

(e.g. B5RS-4/K/BL/Q)

• Temperature range (e.g. 0 – 500°C)

• Specify the specification for option code /Q

(e.g. /C01)

[1] INPUT RTD (2- or 3-wire)

1: JPt 100 (JIS'89)

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)

3: Pt 100 (JIS'89)

(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)

4: Pt 100 (JIS'97, IEC)

(Usable range: -200 to +850°C, -328 to +1562°F; min.span: 50°C, 90°F)

5: Pt 50 Ω (JIS'81)

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)

6: Ni 508.4 Ω

(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)

0: Specify

Note: Consult M-System for 2-wire RTD

[2] OPTIONS (multiple selections)

Response Time (0 – 90 %)

blank: Standard (≤ 0.5 sec.)

/K: Fast Response (Approx. 25 msec.)

Burnout

blank: Upscale burnout

/BL: Downscale burnout

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: -1 to +1 % (front)

Span adjustment: 98 to 102 % (front)

Burnout: Upscale standard;downscale optional

Linearization: Standard

Power LED: Orange LED turns on when the power is

supplied.

INPUT SPECIFICATIONS

Maximum leadwire resistance: 20 Ω per wire (3-wire)

Sensing current: 0.7 mA (Pt); 0.35 mA (Ni 508.4 Ω)

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)

10 12

15

20

25

28

0

200

400

600

800

SUPPLY VOLTAGE [V ]

(600Ω maximum at 24V DC)

INSTALLATION

Supply voltage: 12 – 28 V DC

Operating temperature: -40 to +80°C (-40 to +176°F)