I-87018PW is a serial interface and 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, +/-20 mA, and thermocouple of type J, K, T, E, R, S, B, N, C, L, M, and LDIM43710.
- 8-channel Thermocouple Input
- Individual Channel Configuration
- Open Thermocouple Detection
- Temperature Outputs Consistency
- Stable Temperature Output in the Field
- 4 kV ESD Protection
- Dual Watchdog
- 3000 VDC Intra-Module Isolation, Field to Logic
- Wide Range Operating Temperature: -25 °C~ 75 °C
- RoHS Compliance
| Analog Input |
| Input Channels |
8 Differential |
| Input Type |
+/- 15 mV, +/- 50 mV, +/- 100 mV, +/- 500 mV, +/- 1 V, +/- 2.5 V
+/-20 mA, 0~20 mA, 4~20 mA (Requires Optional External 125 Ohm Resistor)
Thermocouple Type (J, K, T, E, R, S, B, N, C, L, M, LDIN43710) |
| Resolution |
16-bit |
| Sampling Rate |
10 Samples/Second (Total) |
| Accuracy |
+/- 0.1 % |
| -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 |
>400k Ohms |
| Open Thermocouple Detection |
Yes |
| Overvoltage Protection |
240 Vrms |
| Open Thermocouple Detection |
Yes |
| Individual Channel Configuration |
Yes |
| Temperature Outputs Consistency |
Yes |
| Stable Temperature Output in the Field |
Yes |
| ESD Protection |
4kV Contact for each terminal. |
| Intra-module Isolation, Field to Logic |
3000 VDC |
| Interface |
| Interface |
RS-485 |
| Format |
N, 8, 1 |
| Baud Rate |
1200 ~ 115200bps |
| CN-1824 |
| Wire Strip Length |
4 ~ 5 mm |
| Wire Range |
16 ~ 24 AWG |
| Watchdog |
| Dual Watchdog |
Yes, Module(1.6 sec) and Communication(Programable) |
| LED Display |
| 1 LED as Power/Communication Indicator |
| Power |
| Power Consumption |
0.7 W |
| Environment |
| Operating Temperature |
-25 ~ 75 °C |
| Storage Temperature |
-40 ~ 85 °C |
| Humidity |
10 ~ 95% RH, non-condensing |
| Dimensions |
| I-87018PW |
30 mm x 85 mm x 115 mm (W x L x H) |
| CN-1824 |
|
Thermocouple
| Type |
Range°C |
| J |
-210 ~ +760 |
| K |
-270 ~ +1372 |
| T |
-270 ~ +400 |
| E |
-270 ~ +1000 |
| R |
0 ~ +1768 |
| S |
0 ~ +1768 |
| B |
0 ~ +1820 |
| N |
-270 ~ 1300 |
| C |
0 ~ 2320 |
| L |
-200 ~ +800 |
| M |
-200 ~ +100 |
| L (DIN43710) |
-200 ~ +900 |
|
