Specifications – Rockwell Automation 1771-DCM USER MANUAL 1771-DCM User Manual
Page 51
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Troubleshooting Your 1771-DCM
Chapter 8
8Ć4
Function
•
Provides Direct Communication
Between Supervisory and Local
Processors
Serial Communication
•
Discrete Data Transfer: Up to
Seven Words Plus One Status Word
•
Block Transfer: Up to 63 Words Plus
One Status Word
Transmission
•
10,000 Cable Feet at 57.6K Baud
•
5,000 Cable Feet at 115.2K Baud
Response Time
•
Less than 15 ms
Interconnect Cable
•
1770-CD (Belden 9463 or Equivalent)
Backplane Current
•
1.2A
Keying
•
Top Connector:
Between 2 and 4
Between 16 and 18
Environmental
•
Operational Temperature:
0
o
to 60
o
C (32
o
to 140
o
F)
•
Storage Temperature:
-40
o
to 85
o
C (-40
o
to 185
o
F)
•
Relative Humidity:
5% to 95% (Without Condensation)
Specifications
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