ES-3118 Rev.13

BVS

Space-saving Two-wire Signal Conditioners B-UNIT

SIGNAL TRANSMITTER

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

MODEL: BVS–[1][2]

ORDERING INFORMATION

• Code number: BVS-[1][2]
Specify a code from below for each of [1] and [2].
  (e.g. BVS-6/CE/Q)
• Special input range (For codes Z & 0)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

[1] INPUT

Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
B: 2 – 10 mA DC (Input resistance 500 Ω)
C: 1 – 5 mA DC (Input resistance 1000 Ω)
D: 0 – 20 mA DC (Input resistance 50 Ω)
E: 0 – 16 mA DC (Input resistance 62.5 Ω)
F: 0 – 10 mA DC (Input resistance 100 Ω)
G: 0 – 1 mA DC (Input resistance 1000 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
Z: Specify current (See INPUT SPECIFICATIONS)
(0 % or 50 % input must be equal to 0 mA.)
Voltage
1: 0 – 10 mV DC (Input resistance 20 kΩ min.)
2: 0 – 100 mV DC (Input resistance 100 kΩ min.)
3: 0 – 1 V DC (Input resistance 1 MΩ min.)
4: 0 – 10 V DC (Input resistance 2 MΩ min.)
5: 0 – 5 V DC (Input resistance 1 MΩ min.)
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
0: Specify voltage (0 % or 50 % input must be equal to 0 V.)

[2] OPTIONS (multiple selections)

Standards & Approvals
blank: Without CE
/CE: CE marking
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in
Connection: M3.5 screw terminals (torque 0.8 N·m)
Screw terminal: Nickel-plated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS

DC Current:
Shunt resistor attached to the input terminals (0.5 W)
Specify input resistance value for code Z.
DC Voltage: -300 – +300 V DC (-30 – +30 V for CE)
Minimum span: 10 mV (max. 30 V for CE)
Input resistance
(Span) 10 – 100 mV : 20 k (Ω minimum)
         0.1 – 1 V : 100 k
         1 – 10 V : 1 M
         ≥ 10 V : 2 M

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 – 60 V DC
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail; Standard Rack Mounting Frame BX-16H available
Weight: 160 g (0.35 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 500 V AC @ 1 minute
(input to output)
1500 V AC @ 1 minute
(input or output to ground)

STANDARDS & APPROVALS

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

EXTERNAL DIMENSIONS unit: mm [inch]

TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM