Data highway plus communications, Plc remote i/o communications – Rockwell Automation 2711E-xxxx PanelView Operator Terminals User Manual User Manual

Page 156

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Specifications: 1200e Operator Terminal

B–4

Publication 2711E-821 – January 1998

Other attributes include blink and underline. Character sizes include
1 x 1 (8 x 20 pixels—standard), 1 x 2 (8 x 40 pixels—double height),
2 x 1 (16 x 20 pixels—double width), 2 x 2 (16 x 40—double height,
double width) and 2 x 3 (16 x 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 x 8 words/rack x
16 bits/word input and output bits, or 64 x 8 PLC input and 64 x
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 x 64 word/file x

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

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