DAM122
2AI+2RTD Remote Data Acquisition Module(2 AIN+2 PT100 inputs)
The DAM122 remote data acquisition module is designed for industrial automation measurement systems,uses high-precision AD acquisition and data processing technology, professional MCU controller, nonlinear processing algorithm, high precision, stable perf
The DAM122 remote data acquisition module is designed for industrial automation measurement systems,uses high-precision AD acquisition and data processing technology, professional MCU controller, nonlinear processing algorithm, high precision, stable performance, strong anti-interference ability.2 analog inputs, which can measure 4~20mA, 0-20mA, 0-10V or 0~5V signals from transmitter, current, voltage, pressure, temperature and power,2 Pt Resistance Thermometer inputs. 1 RS485 supports standard MODBUS-RTU communication protocol.

The DAM series remote data acquisition module can also be used as an expansion module of GSM 3G 4G RTUS27x, which can greatly expand the number of I/O ports of S27x to meet the needs of different applications.
1.Standard Modbus-RTU, good compatibility and easy programming;
2.ESD Protection circuit for RS485 serial port;
3.Wide range power supply with reverse polarity connection protection;
4.Built-in watchdog ensure it reliability;
5.Lightning protection ensure it stability;
6.12-bit resolution high precision AD acquisition and data processing techniques;
7.2 Analog inputs,0/4~20mA,0~5V,0~10V optional;
8.2 Pt Resistance Thermometer inputs,Default:PT100; Optional:PT500,PT1000,CU50,CU100 and other PT Resistance Thermometers;
9.Using metal shell, protection class IP30. Metal shell and system security isolation, especially suitable for industrial applications in the field;
10.Small size, L110 * W84 * H30mm, compatible wall installation and DIN35mm industrial rail installation.
| Item | Specifications |
| DC Power supply | 9-36VDC(Peak Voltage must≤40V) |
| Power consumption | Typically≤3W |
| Communication Protocol | Modbus RTU |
| Modbus Address | 1-247 |
| Data format | n,8,1;e,8,1;o,8,1 or n,8,2 |
| Communication interface | RS485 |
| Baud rate | 1200,2400,4800, 9600, 19200, 38400Bps |
| Analog inputs | 2 Analog inputs,default: 4~20mA, 12 Bits ,Isolated;Optional:0~20mA/4~20mA/0-5V/0~10V |
| Pt Resistance Thermometer inputs | 2, Default:PT100; Optional:PT500,PT1000,CU50,CU100 and other PT Resistance Thermometers |
| Thermometer Wires | Default: 2 Wires; Optional: 3 Wires. |
| Measurement Precision | ±0.1%FS |
| Withstand Tests | Output /Shell: 2000VAC/min.; 500VDC>100 MΩ |
| Installation Type | Wall mount or 35mm DIN Rail |
| Operation Temperature | -20~70℃ |
| Relative Humidity | -40~85℃ |
| Size | 110×84×30mm mm(HxWxD) |




