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ICPDAS I-8142iW
2-Port Isolated RS-422/485 Module
● High-profile Module
● 2500 Vrms Isolation
● Serial Port with ±4 kV ESD Protection
● Internal 128-byte Hardware FIFO for each Port
● Baud Rate of up to 115200 bps
● LED Indicators for TxD, RxD and Power Status
● Built-in Self-Tuner or Auto-Direction Control
● Low power consumption
● Made from fire retardant materials (UL94-V0 Level)
The ICPDAS Communication Module I-8142iW provides 2-isolated RS-422/485 serial ports. It is equipped with 128 bytes hardware FIFO for each port, offers speed up to 115.2 K bps and supports RS-422 full-duplex communication.
In the harsh industrial environment, the on board ESD protection devices can divert this potentially damaging charge away from sensitive circuitry and protect the ICPDAS Communication Module I-8142iW from permanent damage.
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 | Parallel Bus |
Protocol | - |
Communication Speed | Fast |
DI with Latched Function | - |
DI with Counter Input | - |
Power On Value | - |
Safe Value | - |
Programmable Slew-rate for AO Module | - |
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
Number of Ports | 2 | ||||||
Interface |
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2-wire Cabling/4-wire Cabling |
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Transfer Distance | Max. 1200 m for speed 9.6 Kbps; Max. 400 m for speed 115.2 Kbps | ||||||
Supports Max Devices | Maximum of 256 devices. in a single RS-485 network without using a repeater | ||||||
Controller |
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Self-Tuner Asic Inside | Yes | ||||||
Interrupt | Shared Interrupt | ||||||
Bus | Parallel I/O Module | ||||||
4kV ESD Protection | Yes, Contact for each port | ||||||
Intra-module Isolation, Field to Logic | 2500 Vrms | ||||||
Connector | Removable 20-pin Terminal Block |
Support |
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1 LED | Power Indicator |
2 LEDs | Communication (TxD) Indicators |
2 LEDs | Communication (RxD) Indicators |
Power Consumption |
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Dimensions (w x l x h) | 30 x 85 x 114mm |
Operating Temperature | -25 °C ~ +75 °C |
Storage Temperature | -30 °C ~ +80 °C |
Humidity | 10 ~ 95% RH, non-condensing |