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ICPDAS I-87018PW
8-channel Thermocouple Input Module High Overvoltage Protection
● 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
ICPDAS Analog Input Module 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.
With different communication interface, the I/O modules can be classified to high communication speed (Parallel bus) 8K series modules and low communication speed (serial interface) 87K series modules.
There are two types of I/O modules, Parallel and Serial. The parallel modules (I-8 Series) are high-speed modules and support MCU (Main Control Unit) only. | |
Item | I-87K Series |
Communication Interface | Serial Bus |
Protocol | DCON |
Communication Speed | Slow |
DI with Latched Function | Y |
DI with Counter Input | Y (100 Hz) |
Power On Value | Y |
Safe Value | Y |
Programmable Slew-rate for AO Module | Y |
High Profile VS Low Profile
With different form factor, I/O modules can be classified to high profile and low profile. Basically, high profile and low profile modules that with same item number also have same I/O channel number.
For example: I-8054 and I-8054W both has 8 DI and 8 DO.
Except I/O channel number, other specifications could be different. You have to double check whether the specifications suit your application.
For example: For I-8054W, its DI logic high level is +10 ~ +50V. But for I-8054, it is +3.5 ~ +30V
I-87K Series | ||
High Profile | Low Profile | |
XPAC | Y | - |
WinPAC | Y | - |
LinPAC | Y | - |
iPAC | Y | - |
ViewPAC | Y | - |
RU-87P1/2/4/8 | Y | - |
USB-87P1/2/4/8 | Y | - |
WinCon | Y | Y |
LinCon | Y | Y |
I-8000 | Y | Y |
I-8KE4/8 | Y | Y |
I-8KE4/8-MTCP | Y | Y |
I-87K4/5/8/9 | Y | Y |
APPLICATIONS
● Building Automation
● Factory Automation
● Machine Automation
● Remote Maintenance
● Remote Diagnosis
● Testing Equipment
Input Channels | 8 Differential | |||
Input Type |
|
|||
Resolution | 16-bit | |||
Sampling Rate | 10 samples/sec. (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 | >400 kΩ | |||
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 | 4 kV Contact for each terminal | |||
Intra-module Isolation, Field to Logic | 3000 VDC |
Interface | RS-485 |
Format | N, 8, 1 |
Baud Rate | 1200 ~ 115200 bps |
Wire Strip Length | 4 ~ 5 mm |
Wire Range | 16 ~ 24 AWG |
1 LED | Power/Communication Indicator |
Power Consumption | 0.7 W |
Dimensions (w x l x h) | 30 x 85 x 115 mm |
Operating Temperature | -25 °C ~ +75 °C |
Storage Temperature | -40 °C ~ +85 °C |
Humidity | 10 ~ 95% RH, non-condensing |