MODEL: 6BSN

6BSN SPECIFICATIONS

ES-8869 Rev.2 Page 1/4

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

Field-mounted Two-wire

Signal Conditioners 6B-UNIT

INPUT LOOP POWERED ISOLATOR

Functions & Features

• IP66 / IP67 housing enables field mounting

• Stainless steel field housing selectable

• Isolator not requiring power supply with input 4 to 20 mA

DC / 10 to 50 mA DC, output 4 to 20 mA DC

MODEL: 6BSN-0[1][2][3][4]

ORDERING INFORMATION

• Code number: 6BSN-0[1][2][3][4]

Specify a code from below for each of [1] through [4].

(e.g. 6BSN-0A0A1)

SAFETY APPROVAL

0: None

[1] INPUT

A: 4 – 20 mA DC

H: 10 – 50 mA DC

[2] WIRING CONDUIT

0: G 1/2

1: 1/2 NPT

2: M20 × 1.5

3: PG 13.5

[3] ENCLOSURE MATERIAL

A: Diecast aluminum

S: Stainless steel casting

[4] MOUNTING BRACKET

0: Without

1: With

PACKAGE INCLUDES...

• Mounting screws

Bolt (M8 x 15): 4

Spring washer for M8: 4

Material: Stainless steel 304

• Mounting bracket assembly (option):

Mounting bracket: 1

M10 U-bolt: 2

Nut for M10: 4

Spring washer for M10: 4

Material: Stainless steel 304

Applicable pipe: 1 1/2” min.; 2” max.

GENERAL SPECIFICATIONS

Degree of protection: NEMA 4X, IP66/IP67

Wiring conduit: See ‘Ordering information.’

Electrical connection: M3 screw terminals

(torque 0.6 N·m)

Materials

• Transmitter housing: Diecast aluminum

Screw terminals: Nickel-plated steel

• Enclosure: Diecast aluminum or stainless steel casting

(equivalent to type 316); silver color, epoxy resin coated

Isolation: Input to output to outdoor enclosure

Zero adjustment: -0.5 to +0.5 % (behind the access cover)

Span adjustment: 98.5 to 101.5 % (behind the access cover)

INPUT & OUTPUT

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

Equivalent input impedance: 230 Ω + 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 10 – 50 mA DC / Output 4 – 20 mA DC

Equivalent input impedance: 90 Ω + [load resistance x 0.16]

with 50 mA input

Operational range: 7 – 55 mA DC

(Accuracy is assured within 8 – 55 mA)

Load resistance: 600 Ω maximum; min. 50 Ω required for

adequate operation

•INPUT 4 – 20mA DC / OUTPUT 4 – 20 mA DC

INPUT CURRENT [mA]

4

12

20

10.0

3.0

approx. 5.6

(load 50

Ω)

6.0

12.0

approx. 5.0

8.0

approx. 3.8

approx. 9.6

(load 250

Ω)

approx. 4.6

approx. 11.6

(load 350

Ω)