Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
Communications Instructions 413
Local Messages
The controller is capable of communicating using local or remote
messages. With a local message, all devices are accessible without a
separate device acting as a bridge. Different types of electrical interfaces
may be required to connect to the network, but the network is still
classified as a local network. Remote messages use a remote network,
where devices are accessible only by passing or routing through a device
to another network. Remote networks are discussed on page 439.
Local Networks
The following three examples represent different types of local networks.
Example 1 - Local DH-485 Network
Example 2 - Local DeviceNet Network with DeviceNet Interface (1761-NET-DNI)
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
AIC+ AIC+
AIC+
DH-485 Network
SLC 5/04
PanelView 550
MicroLogix 1500MicroLogix 1000 MicroLogix 1400
Personal
Computer
AIC+
AIC+
44584
DANGER
DANGER DANGER DANGER
DANGER
A-B
PanelView
DANGER
DNI DNI DNI
DNI
DeviceNet Network
Master
PanelView 550
MicroLogix 1500MicroLogix 1000 MicroLogix 1400
Personal
Computer
DNI
DNI
SLC 5/03 with 1747-SDN
44585
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Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes