IAI RCON-LC - SIO Specifications

Chapter  pecications for unit
2.2 Extension unit (PIO/SIO/SCON extension unit, PIO unit)
2-21 ME0416-1A
2.2.6 SIO Specifications
Using the SIO connector on PIO/SIO/SCON Extension Unit, establish connectivity to a touch
panel display and data communication in Modbus should get available.
The specifications for SIO communication are as shown below.
Item System/Condition
Interface Conform to EIA RS485
Communication Protocol Half Duplex Communication Start-Stop Synchronous
Connection Form 1:1 (Not applicable for Multidrop connection)
Protocol Modbus
Transmission Mode RTU (ASCII not acceptable)
Communication speed (bps) 115200 (Fixed)
Bit length 8 bits
Stop bit 1 bit
Parity None
* Connectivity to IA-OS, PC-dedicated teaching software or LC-LADDER is not available