I-87018PW
8-channel Thermocouple Input Module with High Overvoltage Protection |
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| Model: I-87018PW |
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- 8-channel Thermocouple Input
- Individual Channel Configuration
- Open Thermocouple Detection
- Temperature Output Consistency
- Stable Temperature Output in the Field
- 240 Vrms Overvoltage Protection
- 4 kV ESD Protection
- Dual Watchdog
- 3000 VDC Intra-module Isolation, Field-to-Logic
- RoHS Compliant
- Wide Operating Temperature Range: -25 ~ +75°C
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The I-87018PW is an 8-channel thermocouple input module. The analog input range is software selectable and supports +/-15 mV, +/-100 mV, +/-500 mV, +/-1 V, +/-2.5 V, 0 ~ +20 mA, +4 ~ +20 mA or +/-20 mA, and thermocouples of type J, K, T, E, R, S, B, N, C, L, M, and LDIN43710.
It features automatic cold-junction compensation for each channel, and supports open thermocouple detection. |
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| Building Automation, Factory Automation, Machine Automation, Remote
Maintenance, Remote Diagnosis, Testing Equipment. |
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| Analog Input |
| Channels |
8 |
| Wiring |
Differential |
| Sensor Type |
+/-15 mV, +/-50 mV, +/-100 mV, +/-500 mV, +/-1 VDC, +/-2.5 VDC |
+/-20 mA, 0 ~ +20 mA, +4 ~ +20 mA
(Requires Optional External 125 Ω Resistor) |
Thermocouple Type:
(J, K, T, E, R, S, B, N, C, L, M, and LDIN43710) |
| Temperature Output Consistency |
Yes |
| Stable Temperature Output in the Field |
Yes |
| Resolution |
16-bit |
| Accuracy |
±0.1% of FSR |
| Sampling Rate |
10 Hz (Total) |
| -3dB Bandwidth |
15.7 Hz |
| Zero Drift |
+/- 0.5 μV/°C |
| Span Drift |
+/- 25 ppm/°C |
| Common Mode Rejection |
150 dB |
| Normal Mode Rejection |
100 dB |
| Input Impedance |
>400 kΩ |
| Individual Channel Configurable |
Yes |
| Open Wire Detection |
Yes |
| Overvoltage Protection |
240 Vrms |
| CN-1824 |
| Wire Strip Length |
4 ~ 5 mm |
| Wire Range |
16 ~ 24 AWG |
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| Communication |
| Interface |
RS-485 |
| Format |
N, 8, 1 |
| Baud Rate |
1200 ~ 115200 bps |
| Protocol |
DCON |
| Dual Watchdog |
Yes, Module (1.6 Seconds), Communication (Programmable) |
| LED Indicators/Display |
| System LED Indicator |
1 LED as Power/Communication Indicator |
| I/O LED Indicator |
16 LEDs as High/Low Alarm Signals |
| Isolation |
| Intra-module Isolation, Field-to-Logic |
3000 VDC |
| EMS Protection |
| ESD (IEC 61000-4-2) |
4 kV Contact for each Terminal |
| 8 kV Air for Random Point |
| Power |
| Power Consumption |
0.7 W |
| Mechanical |
| Dimensions (W x L x H) |
I-87018PW |
30 mm x 85 mm x 115 mm |
| CN-1824 |
29 mm x 43 mm x 83 mm |
| Environment |
| Operating Temperature |
-25 ~ +75°C |
| Storage Temperature |
-40 ~ +85°C |
| Humidity |
10 ~ 95% RH, Non-condensing |
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| I-87018PW-G CR |
8-channel Thermocouple Input Module (Gray Cover) (RoHS).
Includes the I-87018PW Module and a CN-1824 Daughter Board. |
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| 125Ω, 0.1% DIP Resistors |
Resistor used for Current Type I-87017/I-87018 Series Modules |
| SG-770 CR |
7-channel Differential or 14-channel Single-ended Surge Protector (RoHS) |
| SG-3000 series |
Signal Conditioning Modules for Thermocouple, RTD, DC Voltage, DC Current and Power Input |
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