I/O Series New Model No.
For more understanding and to know the difference between each of SOYAL I/O Series Model, we try to classify SOYAL I/O Series into three main category:
- AR-727CM Series
Ethernet to RS485 converter with digital I/O

- AR-401 Series
-
Mainboard type, available with PCB only, plastic mounting panel, or metal case for its housing
Products selection:
- AR-401-IO-0808R-U2 (available with POE)
- AR-401-IO-0404M
- AR-401-IO-0016R
- AR-401-IO-1709R

- AR-403 Series
-
Universal I/O module with compact and tiny design wrapped on transparent housing
Products selection:
- AR-403-IO-0202M
- AR-403-IO-0202M-IR
- AR-403-IO-0404M
- AR-403-IO-0001M-IR

Code meaning:
AR-XXX-IO-XXXXX-XX-X
XXX=727-CM / 401 / 403
XX= Digital Input quantity
XX= Output quantity
X= Output Type(R=Relay, M=Mosfet)
XX=Additional Features (U2=UART*2 unit, IR=infrared sensor)
X = packaging, only for AR-401 series (N/A= PCB only, M=metal housing, X=plastic mounting panel)
Product information

Ethernet to RS485 converter with digital I/O

