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tM-AD5C - 5-channel Isolation Current Input Module
by ICP DAS
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5-channel Isolated Current Input Module. Communicable over RS-485 / Modbus RTU, input types include +/- 20 mA, 0 ~ 20 mA, 4 ~ 20 mA
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The tM-AD5C is an analog input module that includes 5 differential analog input channels and provides a programmable input range on all analog inputs (+/- 20 mA, 0 ~ 20 mA, 4 ~ 20 mA). The sampling rate of the tM-AD5C is adjustable and is available in either fast or normal mode and It also provides 4 KV ESD protection as well as 2500 Vrms intra-module isolation.
- 5-channel Differential Inputs
- Current Inputs
- 120 VDC Overvoltage Protection
- Resolution: 14/12 bits
- Adjustable Sampling Rate
- 4 kV ESD and EFT Protecton
- 3 kV Surge Protection
- Dual Watchdog
- 2500 VDC Intra-module Isolation
- Cost-effective
- Wide Operating Temperature Range: -25 °C ~ +75 °C
I/O Specification
| Analog Input |
| Input Channels |
5 Differential |
| Type |
+/- 20 mA, 0 ~ 20 mA, 4 ~ 20 mA |
| Resolution |
Normal Mode |
14-bit |
| Fast Mode |
12-bit |
| Sampling Rate |
Normal Mode |
10 Hz total |
| Fast Mode |
200 Hz total |
| Accuracy |
Normal Mode |
+/-0.1% |
| Fast Mode |
+/-0.5% |
| Zero Drift |
+/- 20 μV/°C |
| Span Drift |
+/- 25 ppm/°C |
| Input Impedance |
125 Ω |
System Specifications
| Communication |
| Interface |
RS-485 |
| Format |
(N, 8, 1), (N, 8, 2), (O, 8, 1), (E, 8, 1) |
| Baud Rate |
1200 ~ 115200 bps |
| Protocol |
DCON, Modbus/RTU, Modbus/ASCII |
| Dual Watchdog |
Yes, Module (2.3 seconds), Communication (Programmable) |
| LED Indicators |
| Power |
1 LED as Power Indicator |
| Isolation |
| Intra-module Isolation, Field-to-Logic |
2500 VDC |
| EMS Protection |
| ESD (IEC 61000-4-2) |
±4 kV Contact for Each Terminal |
| ±8 kV Air for Random Point |
| EFT (IEC 61000-4-4) |
±4 kV for Power |
| Surge (IEC 61000-4-5) |
±3 kV for Power |
| Power Requirements |
| Reverse Polarity Protection |
Yes |
| Powered from Terminal Block |
Yes, 10 ~ 30 VDC |
| Consumption |
1 W Max. |
| Mechanical |
| Dimensions (W x L x H) |
52 mm x 98 mm x 27 mm |
| Installation |
DIN-Rail Mounting |
| Environment |
| Operating Temperature |
-25 °C ~ +75 °C |
| Storage Temperature |
-30 °C ~ +75 °C |
| Humidity |
10 ~ 95% RH, Non-condensing |
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