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ICP DAS tM-P8 - 8-channel Isolation Digital Input Module
by ICP DAS
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8-channel Isolated Digital Input Module, communicable over RS-485 and Modbus RTU, supports operating temperatures from -25 °C ~ +75 °C
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The tM-P8 offers 8 channels for digital input, each of which features photocouple isolation. In addition input can be either sink- or source-type using wire connections and all channels can be used as 16-bit counters. 4 kV ESD protection and 3750 VDC intra-module isolation are also provided.
- Sink- and Source-type Digital Inputs
- Photocouple Isolation
- All Channels Can Be Used As 16-bit Counters
- Dual Watchdog
- Cost-effective
- Wide Operating Temperature Range: -25 °C ~ +75 °C
I/O Specifications
| Digital Input/Counter |
| Input Channels |
8 |
| Type |
Wet Contact (Sink, Source) |
| On Voltage Level |
+3.5 VDC ~ 50 VDC |
| Off Voltage Level |
+1 VDC Max. |
| Input Impedance |
10 KΩ, 0.66 W |
| Counters |
Channels |
8 |
| Max. Count |
65535 (16-bit) |
| Max. Input Frequency |
100 Hz |
| Min. Pulse Width |
5 ms |
| Overvoltage Protection |
70 VDC |
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 |
3750 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 |
| Power Requirements |
| Reverse Polarity Protection |
Yes |
| Powered from Terminal Block |
Yes, 10 ~ 30 VDC |
| Consumption |
0.4 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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