BM100 Signal Isolator

Name: BM100 Signal Isolator
Brand: Acrel
SKU: BM100
Availability: InStock

● Input Type: Current/Voltage/Thermal resistance Pt100/Resistance

● Output Signal: DC 0~20mA /4~20mA/0~5V /1~5V /0~10V

● Power Supply: 20~35V DC or 85~265V AC/DC

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Overview

BM100 series signal isolators can measure the electrical parameters such as current and voltage ornon-electrical parameters such as temperature and resistance at high speed and accurately, and can be converted into standard analog signal output after the isolation device. It can be directly connected with pointer meter and digital display meter, and can also be connected with automatic control instrument (such as PLC), various A/D converters and computer systems. It is widely used in electric power, railway, petrochemical, metallurgy, chemical industry, food, warehousing and other industries.

Appearance

BM100 series signal isolators measure DC current, DC voltage, Pt100 RTD or resistance inputs and output a standard isolated analog signal. They connect directly to panel meters, PLCs, DCS, A/D converters and computer systems in power, rail, petrochemical, metallurgy and chemical plants.

Transmission accuracy
0.2%
Response time
5 ms to 90%
Channel forms
1-in/1-out, 1-in/2-out, 2-in/2-out
Supply
20-35 V DC or 85-265 V AC/DC

Technical data

Parameter	Value (from the product manual)
Input type	Current / voltage / Pt100 thermal resistance / resistance
Input signal	DC 0-20 mA, 4-20 mA, 0-5 V, 1-5 V, 0-10 V, Pt100, 0-10 kOhm
Minimum span	Pt100 50 C; resistance input 1 kOhm
Current output	DC 0-20 mA / 4-20 mA, load resistance 550 Ohm or less
Voltage output	DC 0-5 V / 1-5 V (load 330 kOhm or more); DC 0-10 V / 2-10 V (load 500 kOhm or more)
Load with RTD or resistance input	30 kOhm or more
Transmission accuracy	0.2%
Temperature coefficient	50 ppm/C; 100 ppm/C for voltage output
Response time	5 ms to 90% of final value; 1 s for Pt100 and resistance input
Supply voltage	20-35 V DC or 85-265 V AC/DC
Dielectric strength	1500 V AC / 1 min between input, output and power supply
Case width	B type 12.5 mm; C type 22.5 mm
Fix mode	Rail installation
Working temperature	-20 to +60 C
Input excitation note	Two-wire and three-wire inputs need 14 V or more at 20 mA

Ordering code and typical models

Position	Meaning
Input	DI = DC current, DV = DC voltage, TR = Pt100 RTD, VR = potentiometer, S = output power distribution
Output	I = DC current, V = DC voltage
Case	B = 12.5 mm, C = 22.5 mm
Channels	11 = one in one out, 12 = one in two out, 22 = two in two out
Example	BM100-DI/I-B11: current in, current out, 12.5 mm case, one channel
Example	BM100-DIS/I-B11: current in with isolated loop supply to the transmitter
Example	BM100-TR/V-C12: Pt100 in, two voltage outputs, 22.5 mm case
Example	BM100-DV/V-C22: two voltage in, two voltage out, 22.5 mm case

Built-in functions

Galvanic isolation between input, output and supply on every channel
Loop-powered (S) and isolated-transmitter-supply (IS / DIS) versions available
Split one measurement into two independent outputs for PLC and local meter
Standard signals only, so no configuration software is required at the panel
24 V DC or 220 V AC supply versions; front panel carries the wiring layout

Before you request a quote

Input: signal type and measurement range
Output: one or two channels, current or voltage
Supply: 24 V DC or 85-265 V AC/DC

Tell us the input signal and range, the output signal, the number of channels and whether the transmitter needs loop power; we confirm the exact BM100 code and the wiring diagram within one working day.

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Channel type	Single-way input and single-way output, single-way input and double-way output, double-way input and double-way output
Input type	Current/Voltage/Thermal resistance Pt100/Resistance
Input signal	DC 0~20mA /4~20mA DC 0~5V /1~5V /0~10V Pt100(Minimum range: 50℃) 0~10KΩ(Minimum range: 1KΩ)
Output signal	DC 0~20mA /4~20mA ; Load resistance: ≤550Ω DC 0~5V /1~5V; Load resistance: ≥330KΩ Load resistance: ≥30KΩ(Pt100/Resistance input) DC 0~10V /2~10V; Load resistance: ≥500KΩ Load resistance: ≥30KΩ(Pt100/Resistance input)
Transmission accuracy	0.2%
Temperature modulus	50ppm/℃ (Voltage output: 100ppm/℃)
Response time	5ms to reach 90% of final value (RTD Pt100/resistance input: 1s to reach 90% of final value)
Power supply	20~35V DC or 85~265V AC/DC
Work temperature	-20℃~+60℃
Fix mode	Rail installation
Dielectric strength	≥1500V AC/1 min (Among input//output//power supply)