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

B3VS/1

Space-saving Two-wire Signal
Conditioners B3-UNIT

SIGNAL TRANSMITTER
(single-channel output loop powered isolator)

Functions & Features
• Converts a DC input into an isolated 4 – 20 mA DC signal
• Monitor terminals
• High-density mounting

MODEL: B3VS/1–[1][2]

ORDERING INFORMATION
• Code number: B3VS/1-[1][2]
Specify a code from below for each [1] and [2].
  (e.g. B3VS/1-A/UL/Q)
• Special input range (For codes Z & 0)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] INPUT
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
B: 2 – 10 mA DC (Input resistance 499 Ω)
C: 1 – 5 mA DC (Input resistance 1000 Ω)
D: 0 – 20 mA DC (Input resistance 250 Ω)
F: 0 – 10 mA DC (Input resistance 499 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
Z: Specify current (See INPUT SPECIFICATIONS)
Voltage
3: 0 – 1 V DC (Input resistance 1 MΩ min.)
4: 0 – 10 V DC (Input resistance 1 MΩ min.)
5: 0 – 5 V DC (Input resistance 1 MΩ min.)
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
4W: -10 – +10 V DC (Input resistance 1 MΩ min.)
5W: -5 – +5 V DC (Input resistance 1 MΩ min.)
0: Specify voltage (See INPUT SPECIFICATIONS)

[2] 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 M-System's 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 mm2, stripped length 8 mm)
Housing material: Flame-resistant resin (gray)
Isolation: Input to output
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS
DC Current: Input resistor incorporated
Specify input resistance value for code Z.  
(R ≤ 0.25 W ÷ [F.S. Current]2)
DC Voltage: -100 – +100 V DC
(Max. voltage across the input terminals:
70 V for conform with EU Directive; 60 V for UL approval)
Minimum span: 1 V
Offset: Max. 1.5 times span
Input resistance:
Span 1 – 2 V: ≥ 1MΩ
Span ≥ 2 V: ≥ 1MΩ
(≥ 80 kΩ with no supply voltage)

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: 110 g (0.24 lb)

PERFORMANCE in percentage of span
Accuracy: ±0.1 %
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 0.1 sec. (0 – 90 %)
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
  EN 50581
Approval:
UL/C-UL general safety requirements
  (UL 61010-1, CAN/CSA-C22.2 No.1010-1)

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.