Hardware reference guide

35013379 11/2011 219
RS-232C Port
Use a Modbus data cable, Part Number 990NAA26320 (2.7 m) or Part Number
990NAA26350 (15.5 m). The following figure shows the RS-232C port connection.
The following table shows the key to the RS-232C port.
Reset Push Button
The reset push button performs a hardware reset of the module which must be done
each time new firmware has been downloaded. This button allows you to reset the
module without removing it from the backplane.
Required Loadables
Loadables are accessible from Groupe Schneider’s World Wide Web site at
http://www.schneiderautomation.com. Click on the appropriate software under the
"Control Software" section on the home page.
NOTE: 140CPU11302 does not support the 140NOA61110 or the 140NOA62200
module.
Pin Signal Function
2 D2 (RXD) Received Data
3 D1 (TXD) Transmitted Data
5 E2 (GND) Signal Ground
7 S2 (RTS) Request to Send
8 M2 (CTS) Clear to Send
Black circle = Pin occupied. White circle = N/C