Isolation 0-20mA/4-20mA to RS485 or RS232 data acquisition

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Model selection：
ISOAD A□ - □

Input and Channel Code Communication interface
Channel code：01 ～ 08，number of channel
01:1 channel 4-20mA/0-20mA signal input 485： output is RS-485 interface
02:2 channel 4-20mA/0-20mA signal input 232： output is RS-232 interface
03:3 channel 4-20mA/0-20mA signal input
.........
08:8 channel 4-20mA/0-20mA signal input

Note: If the selected product has less than 8 channels, it is the same externalview as that of AD A08, wiring scheme, and communication protocol. The only difference is that the selected one has less channels to measure data.

Mode selection eg.1： Model：ISOAD A01-485 Indicates 1 channel, 4-20mA/0-20mA signal input，input is RS485 interface
Mode selection eg.2： Model：ISOAD A06-232 Indicates 6 channel, 4-20mA/0-20mA signal input，input is RS-232interface
Mode selection eg.3： Model：ISOAD A08-485 Indicates 8 channel, 4-20mA/0-20mA signal input，input is RS 485interface

ISOAD Series 4-20mA to RS485/RS232 Converter Inroduction:
(typical @ +25℃，Vs is 24VDC (It is recommended to use power supply under high stability and precision environment.)
Input type： input current 4-20mA/0-20mA
Precision： @ +25℃ (table 1)
Input detuning： ±0.1 uA/℃
Temperature drift： ±15 ppm/℃ (±30 ppm/℃, max)
Input resistance： < 250 Ω (4-20mA/0-20mA input current)
Bandwidth： -3 dB 10 Hz
Conversion rate： 10 Sps
Common mode restraint (CMR)： 120 dB（1kΩ Source Imbalance @ 50/60 Hz）
Norm mode restraint (NMR)： 60 dB （1kΩ Source Imbalance @ 50/60 Hz）
Input terminal protection： over-voltage protection and over-current protection
Communication: support standard Modbus RTU protocol and character communication protocol, RS-485 or RS232 interface.
Baud rate（300 bps.600 bps.1200 bps.2400 bps.4800 bps.9600 bps.19200 bps.38400bps）software selection is available
Location（0x00~0xFF）software selection is available
Communication response time：100 ms max
Power supply： +8 ~ 50 VDC wide range power supply, internal anti-reverse and overvoltage protection circuit
Power consumption: less than 1W
Operating temperature： - 45 ~ +80℃
Humidity: 10 ~ 90% (no condensation)
Storage temperature: - 45 ~ +80 ℃
Storage humidity: 10 ~ 95% (no condensation)
Isolation voltage: input channel 1 / input channel 2 / ... / input channel 8 / output / auxiliary power supply
between every two group: 3KVDC, 1 minute, leakage current 1mA.
Shock voltage: 3KVAC, 1.2/50us (peak)
Dimensions: 145 mm x 82 mm x 42mm
Weight: about 256g

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