MODEL: B3HU

B3HU SPECIFICATIONS

ES-7502 Rev.14 Page 1/5

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

Space-saving Two-wire Signal

Conditioners B3-UNIT

2-WIRE UNIVERSAL TEMPERATURE TRANSMITTER

(HART communication, intrinsically safe)

Functions & Features

• Universal input: mV, V, T/C, RTD, resistance,

potentiometer and DC voltage

• High accuracy

• HART communication

• Intrinsically safe approval

• Programming via hand-held communicator or via PC

• A wide variety of T/C and RTD types

• User’s temperature table can be used

• Self diagnostics

• Input-output isolated

mm (inch)

110.5

(4.35)

18 (.71)

106

(4.17)

MODEL: B3HU–[1]/A

ORDERING INFORMATION

• Code number: B3HU-[1]/A

Specify a code from below for [1].

(e.g. B3HU-0/A)

• Use Ordering Information Sheet (No. ESU-7502). Factory

standard setting will be used if not otherwise specified.

• Specify the country in which the product is to be used with

the Safety Approval code 2.

[1] SAFETY APPROVAL

0: None

1: FM intrinsically safe

2: ATEX intrinsic safety

OPTIONS

CJC Sensor

/A: External Sensor (must be specified)

RELATED PRODUCTS

• USB interface Bell202 modem (model: COP-HU)

Usable in ‘non-hazardous’ area only.

• Hand-held communicator

(Consult HART Communication Foundation (HCF) web

site: www.hartcomm.org. )

• AMS (version 6.0 or higher)

• Simatic PDM (version 6.0 or higher)

• PC configurator software (model: B3HUCFG)

Downloadable at M-System’s web site.

GENERAL SPECIFICATIONS

Construction: Small-sized front terminal structure

Connection: Euro type connector terminal

Housing material: Flame-resistant resin (gray)

Isolation: Input to output

Burnout (except DC voltage input): Upscale, downscale or

no burnout selectable (standard: upscale);

Also detects wire breakdown and overrange input

exceeding the electrical design limit for DC voltage input.

Cold junction compensation (T/C): CJC sensor (included) to

be attached to the input terminals

User-configurable items:

• Input sensor type

• Number of wires (RTD & resistance)

• Input range

• Inverted output

• Burnout

• Damping time (via HART only, standard: 0)

• Sensor calibration (via HART only)

• Output calibration

• Special linearization data (via HART only)

• HART communication mode

HART COMMUNICATION

Protocol: HART communication protocol

HART address range: 0 – 15 (factory set to 0)

Transmission speed: 1200 bps

Digital current: Approx. 1 mAp-p when communicating

Character format: 1 Start Bit, 8 Data Bits, 1 Odd Parity Bit,

1 Stop Bit

Distance: 1.5 km (0.9 miles)

HART communication mode: Master-Slave Mode and Burst

Mode (factory set to Master-Slave)

HART network mode: Point-to-Point Mode and Multi-drop

Mode; automatically set to Multi-drop Mode when the

address is set to other than 0.