IDEC SmartRelay software
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IDEC SmartRelay Manual 
7.1 Connecting IDEC SmartRelay to a PC
Connecting the PC cable
To connect IDEC SmartRelay to a PC, you need the IDEC 
SmartRelay PC cable (Type Number is found in Appendix 
E).
Remove the cap or memory cartridge (card) from your IDEC 
SmartRelay and connect the cable to this socket. Connect 
the other end of the cable to the serial port of your PC.
Connecting the PC cable to the USB port
If your PC is only equipped with a USB interface (Universal 
Serial Bus), you will need a converter and a device driver to 
connect the IDEC SmartRelay cable to this port. Follow the 
instructions on the screen when you install the driver for the 
converter.Make sure you specify the correct Windows OS 
version when you select the driver.
Switching IDEC SmartRelay to PC↔IDEC SmartRelay mode
1. Switch the IDEC SmartRelay with/without display to 
STOP from your PC (refer to the WindLGC Online Help), 
or select the ESC / >Stop command on a device with dis-
play and confirm the entry with ‘Yes’.
When IDEC SmartRelay is in STOP and online with the PC, 
the following PC commands are accepted:
• Switch IDEC SmartRelay to RUN
• Read/write the circuit program
• Read/write the summertime/wintertime
2. When you start the upload/download in STOP, the fol-
lowing display appears automatically:
 
 PC
=
IDEC
SmartRelay
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com