ES-7514 Rev.10
B3FR
Space-saving Two-wire Signal
Conditioners B3-UNIT
RTD TRANSMITTER
(field-configurable)
Functions & Features
• Converts a RTD input into an isolated, linearized 4 – 20 mA DC signal
• DIP switch configurable input range
• Linearization and burnout
• Monitor terminals
• High-density mounting
MODEL: B3FR[1]
ORDERING INFORMATION
• Code number: B3FR[1]
Specify a code from below for [1].
(e.g. B3FR/UL/Q)
• Temperature range (e.g. Pt 100 0 – 200°C)
• If you need the transmitter to be calibrated to a specific range, please specify when ordering.
Non-specified orders will be shipped at default factory setting (Pt 100 0 – 100°C).
• Specify the specification for option code /Q
(e.g. /C01)
INPUT RTD (2- or 3-wire)
Pt 100 (JIS ’97, IEC)
Ni 120
Cu 10 @ 25°C
Note: Consult us for 2-wire RTD
[1] OPTIONS (multiple selections)
Standards & Approvals
blank
: CE marking
/UL
: UL approval, CE marking
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating (UL not available)
GENERAL SPECIFICATIONS
Construction
: Small-sized front terminal structure
Connection
: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm
2
, stripped length 8 mm)
Housing material
: Flame-resistant resin (gray)
Isolation
: Input to output
Burnout
: Upscale (default), downscale or no burnout selectable
Linearization
: Standard
Configuration
: DIP and rotary switches
Setting:
• Input Type
• Input Range
• Burnout
• Others
Refer to the instruction manual for details.
INPUT SPECIFICATIONS
Maximum leadwire resistance
: 20 Ω per wire (3-wire)
Sensing current
: 1 mA
OUTPUT SPECIFICATIONS
Output
: 4 – 20 mA DC
Load resistance vs. supply voltage:
Load Resistance (Ω) = (Supply Voltage (V) – 12 (V)) ÷ 0.02 (A) (including leadwire resistance)
INSTALLATION
Supply voltage
: 12 – 45 V DC
Operating temperature
:
-40 to +85°C (-40 to +185°F)
Max. 55°C (131°F) for UL approval
Operating humidity
: 0 to 95 %RH (non-condensing)
Mounting
: DIN rail
Weight
: 80 g (2.8 oz)
PERFORMANCE in percentage of span
Accuracy
Pt 100, Cu 10: ±0.2 %
Ni 120: ±0.3 %
Temp. coefficient
: ±0.02 %/°C (±0.01 %/°F),
±0.03 %/°C (±0.02 %/°F) for Cu 10
Response time
: ≤ 0.5 sec. (0 – 90 %)
Burnout response
: ≤ 10 sec.
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @1 minute
(input to output to ground)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
Approval
:
UL/C-UL general safety requirements
(UL 61010-1, CAN/CSA-C22.2 No.1010-1)
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM