Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module - Manual (Page 64)

Publication 1747-UM005B-EN-P - March 2006
5-10 Module Configuration Using an ASCII Terminal
DF1 Half-duplex Setup Menu
When you press [4] on the Top Level Setup Menu, you are prompted
at the bottom of the menu to select [H] or [F] for half- or
full-duplex. Enter [H] to display the Half–Duplex Setup Menu.
DF1 Half-duplex Setup Menu
DF1 Half-duplex Setup Parameters
When the module is powered up for the first time, the DF1 protocol
will be set to the default parameters. If these parameters are changed
and the setup is saved, then the module will always power up with
the new settings, unless the battery fails and power to the module’s
RAM is lost.
IMPORTANT
Choose [F] for full-duplex when using RSLinx
software.
DF1 Half Duplex Setup Menu
1. Duplicate Packet Detection
2. Checksum
3. Constant Carrier Detect
4. Modem Init String
5. Modem Init String Delay
6. Message Timeout
7. Hardware Handshaking
8. Poll T imeout
9. Message Retries
A. RTS On Delay
B. R TS Of f Delay
C. Local/Remote Mode
D. Slave Address/Group Number
C. Master Station Address
X. SAVE AND EXIT
Enter Selection. . . . .