MODEL: B6U

B6U SPECIFICATIONS

ES-7451 Rev.20 Page 1/6

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

Field-mounted Two-wire Signal Conditioners

B6-UNIT SERIES

2-WIRE UNIVERSAL TEMPERATURE TRANSMITTER

(HART communication, intrinsically safe)

Functions & Features

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

potentiometer

• 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

MODEL: B6U–[1][2]

ORDERING INFORMATION

• Code number: B6U-[1][2]

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

(e.g. B6U-21)

Use Ordering Information Sheet (No. ESU-7451). 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: IECEx/ATEX intrinsic safety

5: FM nonincendive

7: TIIS intrinsic safety (CE not available)

[2] LCD DISPLAY

0: Without

1: With

RELATED PRODUCTS

• Outdoor enclosure (model: 6BX-E)

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

Usable in ‘non-hazardous’ area only.

• Hand-held communicator

• AMS (version 6.0 or higher)

• PC configurator software (model: B6UCFG)

Downloadable at M-System’s web site.

• LCD display (model: B6U-LCD) (non safety approval)

GENERAL SPECIFICATIONS

Electrical connection: M3.5 screw terminals (torque 0.8 N·m)

Materials

Transmitter housing: Flame-resistant resin (black)

Screw terminals: Nickel-plated brass

Isolation: Input to output

Burnout (T/C, RTD, Potentiometer & Resistance): Upscale,

downscale or no burnout selectable (standard: upscale);

Also detects wire breakdown and overrange input

exceeding the electrical design limit for DC input.

Cold Junction Compensation (thermocouple input): CJC

sensor incorporated

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.