·Some details are not shown. Please refer to specification sheets for all information.

B3PU

Space-saving Two-wire Signal
Conditioners B3-UNIT

2-WIRE UNIVERSAL TEMPERATURE TRANSMITTER
(PROFIBUS-PA)

Functions & Features
• Universal input: mV, V, T/C, RTD, resistance and potentiometer
• High accuracy
• PROFIBUS-PA communication
• A wide variety of T/C and RTD types
• Self diagnostics
• Input-output isolated

MODEL: B3PU–0[1]

ORDERING INFORMATION
• Code number: B3PU-0[1]
Specify a code from below for [1].
  (e.g. B3PU-0/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

SAFETY APPROVAL
0: None

[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

RELATED PRODUCTS
• GSD (General Station Description) file
• EDDL (Electronic Device Description Language) file
GSD and EDDL files are downloadable at M-System’s web site

GENERAL SPECIFICATIONS
Construction: Small-sized front terminal structure
Connection: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm2, stripped length 8 mm)
Housing material: Flame-resistant resin (gray)
Isolation: Input to output
Cold Junction Compensation (thermocouple input): CJC sensor incorporated
Device address: 0 to 126 (factory set to 126)
Data transmission: MBP (Manchester-coded Bus Powered) Mode
Device profile: PROFIBUS-PA Profile V3.0,
Compact Class B

PROFIBUS COMMUNICATION
Digital signal: Manchester-coded signal
(conforms to IEC 61158-2)
Baud rate: 31.25 kbps
Protocol: PROFIBUS-DP-V1
Device profile: PROFIBUS-PA Profile V3.0, Compact Class B

INPUT SPECIFICATIONS
The input is factory set for use with K thermocouple.
See Table 1 for the available input type and the maximum range.
DC mV & V
Input resistance: ≥ 1 MΩ
Thermocouple
Input resistance:
≥ 1 MΩ
Burnout sensing: 130 nA ±10 %
■ RTD (2-wire, 3-wire or 4-wire)
Excitation: 0.2 mA ±10 %
Allowable leadwire resistance: Max. 20 Ω per wire
Resistance (2-wire, 3-wire or 4-wire)
Excitation: 0.2 mA ±10 %
Allowable leadwire resistance: Max. 20 Ω per wire
■ Potentiometer
Excitation: 0.2 mA ±10%
Allowable leadwire resistance: Max. 20 Ω per wire

OUTPUT SPECIFICATIONS
Output signal: Digital signals (refer to ‘PROFIBUS COMMUNICATION’)
Static current consumption: 12 ±1 mA

INSTALLATION
Supply voltage: 9 – 30 V DC (automatic polarity detection)
Operating temperature: -40 to +85°C (-40 to +185°F)
Operating humidity: 0 to 95 %RH (non-condensing)
Mounting: DIN rail
Weight: 80 g (2.8 oz)

PERFORMANCE
Accuracy: See Table 1.
Cold junction compensation error: ±0.5℃ (±0.9°F)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) at -5 to +55°C
Start-up time: Approx. 10 sec.
Response time: ≤ 2 sec. (0 – 90 %)
with damping time set to 0
Supply voltage effect: ±0.003 % / 1 V
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @1 minute (input to output)

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive

INPUT TYPE, RANGE & ACCURACY

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.