Publication 1763-RM001C-EN-P - October 2009
512 Protocol Configuration
Message-Based Polling Mode Channel Configuration
When the system driver is DF1 Half-Duplex Master, the following
parameters can be changed:
DF1 Half-Duplex Master Configuration Parameters
Parameter Options Programming
Software
Default
Channel MicroLogix 1100: Channel 0 0
Driver DF1 Half Duplex Master
Baud Rate 300, 600, 1200, 2400, 4800, 9600, 19.2K, 38.4K 19.2K
Parity none, even none
Node Address 0 to 254 decimal (255 is reserved for broadcast) 1
Control Line No Handshaking, Half-Duplex Modem (RTS/CTS Handshaking), Full-Duplex Modem (RTS on)
No Handshaking (485 Network)
(1)
No
Handshaking
Error Detection CRC, BCC CRC
Duplicate Packet
Detect
enabled, disabled
Detects and eliminates duplicate responses to a message. Duplicate packets may be sent under
noisy communication conditions if the sender’s Message Retries are set greater than 0.
enabled
RTS Off Delay
(x20 ms)
0 to 65535 (can be set in 20 ms increments) – only with control line set to “Half Duplex Modem
(RTS/CTS Handshaking)”
Specifies the delay time between when the last serial character is sent to the modem and when
RTS is deactivated. Gives the modem extra time to transmit the last character of a packet.
0
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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