Triggering messages – Rockwell Automation 2706 DL40 HARDWARE USER MANUAL User Manual
Page 100

Chapter 10
Using Remote I/O
10 – 8
Table 10.E
Remote I/O Configuration
1771–SN
PLC
Scanners
Sub–Scanners
Processors
Physical
Logical
Physical
Logical
Mini-PLC’s
2/05
215
2/16
2/17
–––
–––
16 Devices
➀
7 Racks
PLC 5/11
4 Devices
4 Racks
16 Devices
➀
7 Racks
PLC 5/12
–––
–––
16 Devices
➀
7 Racks
PLC 5/15
➁
12 Devices
3 Racks
16 Devices
➀
7 Racks
PLC 5/20
➂
16 Devices
4 Racks
16 Devices
➀
7 Racks
PLC 5/25
➂
16 Devices
7 Racks
16 Devices
➀
7 Racks
PLC 5/30
28 Devices
8 Racks
16 Devices
➀
7 Racks
PLC 5/40
16 Devices/channel
4 Channels/scanner
15 Racks
16 Devices
➀
7 Racks
PLC 5/60
16 Devices/channel
4 Channels/scanner
23 Racks
16 Devices
➀
7 Racks
PLC 5/80
24 Devices/channel
4 Channels/scanner
32 Racks
16 Devices
➀
7 Racks
PLC 5/250
32 Devices/scanner
8 Racks/Scanner
16 Devices
➀
7 Racks
4 Scanners/processor
4 Scanners/processor
PLC 2/30
16 Devices/ channel
7 Racks total
16 Devices
➀
7 Racks
2 Channels/scanner
PLC 3
16 Devices/channel
32 Racks (64 using
16 Devices
➀
7 Racks
4 Channels/scanner
complimentary I/O)
PLC 3/10
16 Devices/channel
16 Racks total
16 Devices
➀
7 Racks
4 Channels/scanner
➀
Two of these may be Bulletin 1771 chassis.
➁
PLC 5/15 Series B Revision H or later have partial rack addressing. Earlier versions were limited to (3) devices.
➂
PLC 5/25 Series A Revision D or later have partial rack addressing. Earlier versions were limited to (7) devices.
With the Remote I/O version of the DL40, messages are normally triggered
from a PLC connected to the DL40. However, messages can also be triggered
via the Keyboard Port or the RS-485 Port.
DIP Switch 2-4 Enables or Disables Block Transfers.
•
Discrete I/O (Block Transfers Disabled)
–
Block Transfers are ignored.
–
Amount of data sent/returned depends on rack size.
Triggering Messages