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| Categories: | I-87KW High Performance I/O Modules |
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The I-87019PW is a 8-channel universal analog input module with an RS-485 interface that is a specially designed for extremely accurate thermocouple measurements and features automatic cold-junction compensation for each channel to ensure temperature output consistency and stable temperature outputs in the field. The innovative design of the enhanced model ensures that thermocouple measurements are more accurate than with the earlier designs. Besides the thermocouple inputs, the I-87019PW also supports voltage and current inputs. The voltage input range can be from +/-15 mV to +/-10 V, and the current input range can be either 4 ~ 20 mA, 0 ~ 20 mA, or +/- 20 mA. Up to 10 analog inputs of different types can be connected to a single module. Overvoltage protection of up to 240 Vrms is provided. The module also features per-channel open wire detection for thermocouple and 4 ~ 20 mA inputs.
| Interface | |
| Interface | RS-485 |
| Format | N, 8, 1; N, 8, 2; E, 8, 1; O, 8, 1 |
| Baud Rate | 1200 ~ 115200 bps |
| Watchdog | |
| Dual Watchdog | 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 seconds) and Communication (Programable) |
| LED Display | |
| 1 LED as Power/Communication Indicator | |
| Power | |
| Power Consumption | Maximum 1.3 W |
| Environment | |
| Operating Temperature | -25 ~ 75 °C (-13°F ~ +167°F) |
| Storage Temperature | -40 ~ 85 °C (-40°F ~ 176°F) |
| Humidity | 10 ~ 90% RH, Non-condensing |
| Dimensions | |
| I-87018PW | 30 mm x 86 mm x 114 mm (W x L x H) |
| CN-1824 | 29 mm x 43 mm x 83 mm (W x L x H) |
| Analog Input | |
| Input Channels | 8 Differential |
| Input Type | +/-15 mV, +/-50 mV, +/-100 mV, +/-150 mV +/-500 mV, +/-1 V, +/-2.5 V, +/-5 V,+/-10 V -20 mA ~ +20 mA, 0 ~ 20 mA, 4 ~ 20 mA (Jumper Selectable) Thermocouple Type: (J, K, T, E. R. S, B, N, C, L, M, and LDIN43710) |
| Resolutions | 16-bit |
| Sampling Rate | 10 Samples/Second (Total) |
| Accuracy | +/- 0.1% |
| Zero Drift | +/- 20 μV/°C |
| Span Drift | +/- 25 ppm/°C |
| Common Mode Rejection | 86 dB |
| Normal Mode Rejection | 100 dB |
| Input Impedence | Voltage Input: >400 kΩ, Current Input: 125 Ω |
| Individual Channel Configuration | Yes |
| Overvoltage Protection | 240 Vrms |
| Open Thermocouple Detection | Yes, (Software Selectable) |
| ESD Protection | +/- 4 kV, Contact for Each Terminal |
| Intra-module Isolation, Field-to-Logic | 3000 VDC |
| Type | Range°C | |
| J | 0E | -210 ~ +760 |
| K | 0F | -270 ~ +1372 |
| T | 10 | -270 ~ +400 |
| E | 11 | -270 ~ +1000 |
| R | 12 | 0 ~ +1768 |
| S | 13 | 0 ~ +1768 |
| B | 14 | 0 ~ +1820 |
| N | 15 | -270 ~ 1300 |
| C | 16 | 0 ~ 2320 |
| L | 17 | -200 ~ +800 |
| M | 18 | -200 ~ +100 |
| L (DIN43710) | 18 | -200 ~ +900 |
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