Module 10 kênh đầu vào cặp nhiệt (Thermocouple) ICP DAS I-87018ZW
Features
- Current Input, Voltage Input and Thermocouple Input
- 240 Vrms Overvoltage Protection
- Individual Channel Configuration
- Open Thermocouple Detection
- Temperature outputs consistency
- Stable temperature output in the field
- 4 KV ESD Protection
- 3000 VDC Intra-module Isolation
- 3750 Vrms Photo Isolation
- RoHS Compliant
- Wide Operating Temperature Range: -25 ~ +75°C
Introduction
The “Z” version is another milestone in the development of I-87018 and a testament to excellence by ICP DAS R&D team. I-87018ZW is specifically designed for extremely accurate thermocouple measurement. It features automatic compensation for each channel. Current input and voltage input are supported. Another feature is that ten of its input channels can individually be configured with different kinds of analog input. I-87018ZW also got open thermocouple detection and many protection mechanisms.
System Specifications
| 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 | – | |
| 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 | 1.3 W | |
| Mechanical | ||
| Dimensions (W x L x H) | I-87018ZW | 30 mm x 85 mm x 114 mm |
| DB-1820 | 22 mm x 78 mm x 65 mm | |
| DN-1822 | 27 mm x 96 mm x 103 mm | |
| Environment | ||
| Operating Temperature | -25 ~ +75°C | |
| Storage Temperature | -40 ~ +85°C | |
| Humidity | 10 ~ 95% RH, Non-condensing | |
| DB-1820 | ||
| Wire strip length | 4 ~ 5 mm | |
| Wire Range | 16 ~ 24 AWG | |
I/O Specifcations
| Analog Input | |
| Channels | 10 |
| 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 (J, K, T, E, R, S, B, N, C, L, M, LDIN43710) | |
| Temperature outputs 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 Configuration | Yes |
| Open Wire Detection | Yes |
| Overvoltage Protection | 240 Vrms |
Ordering information
| I-87018ZW-G/S CR | 10-channel Thermocouple Input Module (Gray Cover) (RoHS) Include I-87018Z Module and DB-1820 Daughter Board | ||||
| I-87018ZW-G/S2 CR | 10-channel Thermocouple Input Module (Gray Cover) (RoHS) Include I-87018Z Module ,DN-1822 Daughter Board and 1.8 m Cable | ||||
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Suggested Accessories
| CD-2518D | 25F-25M 1.8 m Cable with DIN-Rail Mounting for the DB-1820 (RoHs) | ||
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CD-2518D = 25F-25M 1.8 m Cable + DIN-Rail Mounting
Accessories
| 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 |