Specifications
Rockwell Automation Publication AG-SG001G-EN-P - April 2015 65
Choosing a Device for a Master Station Chapter 4
Choosing a
Programmable
Controller-based
Master Station
Choose a programmable controller-based master station if any of these
requirements exists:
• The master station must be able to control local I/O.
• Your application requires master station redundancy.
• More robust and flexible PLC hardware platform for polling remotes.
Use this chart to help you choose a programmable controller master station.
Controller MicroLogix SL
C
CompactLogix Control
-
Logix
Specification 110
0
1400 5/05 L23
E
L4
x
L32
E
L35
E
Number of RS-232
comms channels
11111111
Integral DF1 full-
duplex
????????
Integral DF1 half-
duplex master
?
(2)
(2) Series C, FRN 7 or later.
?
(3)
???? ? ?
Integral DF1 radio
modem
?
(2)
?
(3)
?
(5)
(5) Series C, FRN 6 or later.
??? ? ?
Integral/backplane
modbus RTU master
(1)
(1) Standalone DF1 full-duplex to Modbus interfaces are available from ProSoft Technology and
Miille Applied Research Company.
?
(3)
(3) Series C, FRN 8 or later.
?
(4)
(4) Series C, FRN 9 or later.
?
(6)
(6) Series C, FRN 11 or later.
?
(8)
(8) Via 1769-SM2.
?
(8)
?
(8)
?
(8)
?
(9)
(9) 1756 form factor Modbus communication module available from ProSoft Technology.
Integral/backplane
Ethernet
???? ???
(10)
(10)Via 1756-ENxT
Maximum remote
stations
254 508 254 254 254 254 254 254
Controller redundancy
available
?
(7)
(7) Via 1747-BSN.
?
(11)
(11)Via 1756-RM.
Programming
languages
RL RL RL RL,ST,SFC,FB