Manual

Publication 1764-UM001B-EN-P - April 2002
E-12 Understanding Communication Protocols
When using this method (as shown in the following illustration):
• PLC-5 devices can send read and write commands to MicroLogix
1500 controllers.
• MicroLogix 1500 controllers can respond to MSG instructions
received.
• The MicroLogix 1500 controllers can initiate MSG instructions to
devices on the DH+ network.
• PC can send read and write commands to MicroLogix 1500
controllers.
• PC can do remote programming of MicroLogix 1500 controllers.
A-B
PanelView
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
AIC+ AIC+ AIC+
AIC+
DH-485 Network
SLC 5/04
PanelView 550
MicroLogix 1500 with 1764-LSP
or 1764-LRP Processor
MicroLogix 1000
MicroLogix 1200
SLC 5/04
AIC+
AIC+
SLC 5/04 PLC-5
DH+ Network
MicroLogix 1500 with
1764-LRP Processor