Data highway plus communications, Plc remote i/o communications – Rockwell Automation 2711E-xxxx User Manual PanelView 1000e, 1200e 1400e User Manual
Page 174
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Specifications: 1200e Operator Terminal
B–4
Publication 2711E-6.17 – November 1998
Other attributes include blink and underline. Character sizes include
1
Ч
1 (8
Ч
20 pixels—standard), 1
Ч
2 (8
Ч
40 pixels—double
height), 2
Ч
1 (16
Ч
20 pixels—double width), 2
Ч
2 (16
Ч
40—double height, double width) and 2
Ч
3 (16
Ч
80 — extra large).
Degauss
Automatic degauss occurs each time ac power is re-applied to the
unit and at midnight (according to the terminal system clock) daily.
•
Allen-Bradley Data Highway Plus
•
Baud rate may be 57.6, 115.2, or 230.4 kilobaud
•
5000 tags maximum
•
Communicates with local and bridged stations on DH+
•
Unsolicited messages to and from the PLC using PLC2
unprotected message formats. 512 words of address space.
•
File transfer over DH+ network including over bridged DH+
The parameters of the PLC Remote I/O Communications are:
•
Allen-Bradley PLC via Allen-Bradley 1771 Remote I/O Link
•
Remote I/O baud rate: 57.6/115.2/230.4 kilobaud
•
Maximum I/O cable distance:
10,000 ft. (57.6 kilobaud)
5,000 ft. (115.2 kilobaud)
2,500 ft. (230.4 kilobaud)
•
5000 tags maximum
•
Terminal can emulate from 1/4 to 64 full Remote I/O Racks
•
Rack sizes: 1/4, 1/2, 3/4, or full (any starting module group). A
rack can be configured for full or listen-only access.
•
Total discrete I/O possible: 64 racks
×
8 words/rack
×
16 bits/word input and output bits, or 64
×
8 PLC input and
64
×
8 PLC output words
•
Up to 64 block transfer files can be configured, with up to 64
words for each file. Files can be configured as read or write files
in any combination.
•
Total Block Transfer bits possible
64 files
×
64 word/file
×
16 bit/word in any input/output combination
•
Application files can be uploaded and downloaded by the PLC-5
and SLC5/04 Pass-Through feature
Data Highway Plus
Communications
PLC Remote I/O
Communications