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4-Port Isolated RS-422/485 Module
● High-profile Module
● 2500 vrms Isolation
● Serial Port with ±4kV 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-8144iW provides 4-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-8144iW 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.|
|Communication Interface||Parallel Bus
|DI with Latched Function||-
|DI with Counter Input||-
|Power On 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||4|
|2-wire Cabling/4-wire Cabling||
|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|
|Self-Tuner Asic Inside||Yes|
|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|
|1 LED||Power Indicator|
|4 LEDs||Communication (TxD) Indicators|
|4 LEDs||Communication (RxD) Indicators|
|Dimensions (w x l x h)||30 x 85 x 114 mm|
|Operating Temperature||-25 °C ~ 75 °C|
|Storage Temperature||-30 °C ~ 80 °C|
|Humidity||10 ~ 95% RH, non-condensing|