2-2 2. ALLEN BRADLEY
2.1.1 PLC-5
Communication Setting
Editor
Communication setting
(Underlined setting: default)
PLC
Series A 1785-KE
SW-1 (RS-232C link features)
SW-2 (for future use)
SW-3, SW-4 (node number)
SW-5 (network link communication rate)
Item Setting Remarks
Connection Mode
1 : 1
/ 1 : n / Multi-link2 / Multi-link2 (Ethernet) /
1 : n Multi-link2 (Ethernet)
Signal Level RS-232C
/ RS-422/485
Baud Rate 4800 / 9600 / 19200
bps
Data Length 7 / 8
bits Fixed to 8 bits except for Channel 0
Stop Bit 1
/ 2 bits
Parity None / Even
Targe t Por t N o. 0 to 31
No. Item Setting Remarks
1, 2, 5 RS-232C Link Features
SW1: OFF
SW2: OFF
SW5: OFF
Error check: BCC
Parity: None
Embedded response: No
SW1: ON
SW2: OFF
SW5: OFF
Error check: BCC
Parity: Even
Embedded response: No
3 Detect duplicate messages ON
Detect and ignore duplicate
messages
4 Hand shaking signals OFF Ignore handshaking signals
No Setting Remarks
1, 2 OFF Always OFF (system reserved)
SW Item Setting Remarks
SW-3
First digit
(OCT)
Setting example:
Station number 15 (DEC) = 17
(OCT)
SW-3: ON, OFF, OFF
SW-4: ON, ON, ON
SW-4
Second digit
(OCT)
No. Item Setting Remarks
1
Network Communication Rate
ON
57600 bps For DH+ port
2 ON
No. 0 1 2 3 4 5 6 7
SW1 OFF ON OFF ON OFF ON OFF ON
SW2 OFF OFF ON ON OFF OFF ON ON
SW3 OFF OFF OFF OFF ON ON ON ON
No. 0 1 2 3 4 5 6 7
SW1 OFF ON OFF ON OFF ON OFF ON
SW2 OFF OFF ON ON OFF OFF ON ON
SW3 OFF OFF OFF OFF ON ON ON ON