MODEL: B5SN

B5SN SPECIFICATIONS

ES-1519 Rev.8 Page 1/2

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

Super-mini Two-wire Terminal Block

Signal Conditioners B5-UNIT

INPUT LOOP POWERED ISOLATOR

Functions & Features

• Input-loop-powered design eliminates need for an output

loop power supply

• 350 Ω output drive

• High-density mounting

25 (.98)

97

(3.82)

41 (1.61)

mm (inch)

MODEL: B5SN–AA[1]

ORDERING INFORMATION

• Code number: B5SN-AA[1]

Specify a code from below for [1].

(e.g. B5SN-AA/Q)

• Specify the specification for option code /Q

(e.g. /C01)

INPUT

Current

A: 4 – 20 mA DC

OUTPUT

Current

A: 4 – 20 mA DC

[1] OPTIONS

blank: none

/Q: With options (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: -0.5 to +0.5 % (front)

Span adjustment: 98.5 to 101.5 % (front)

INPUT & OUTPUT

• Input 4 – 20 mA DC / Output 4 – 20 mA DC

Equivalent input impedance: 230 Ω plus load resistance

with 20 mA input

Operational range: 3 – 22 mA DC

(Accuracy is assured within 4 – 22 mA)

Load resistance: 350 Ω maximum; min. 50 Ω required for

adequate operation

INPUT CURRENT [mA]

4

12

20

10.0

3.0

approx. 5.6

(load 50Ω)

6.0

12.0

approx. 5.0

8.0

approx. 3.8

approx. 9.6

(load 250Ω)

approx. 4.6

approx. 11.6

(load 350Ω)

INSTALLATION

Operating temperature: -5 to +55°C (23 to 131°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: ±0.02 %/°C (±0.01 %/°F)

Response time: Approx. 15 msec. (0 – 90 %)

Load effect: (factory-calibrated with 250 Ω load)

0.015 %/Ω (50 – 150 Ω)

0.003 %/Ω (150 – 350 Ω)

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength:

500 V AC @1 minute (input to output)

2000 V AC @1 minute (input or output to ground)

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

RoHS Directive