2 Rockwell Automation Publication 2080-UM003A-EN-E - March 2013
Chapter 1 Hardware Features
The bus terminator, 2085-ECR, serves as an end cap and terminates the end of
the serial communication bus. It is required whenever an expansion I/O module
is connected to the controller and should be connected to the last expansion I/O
module in the system.
Hardware Features
Micro850 expansion I/O modules come as a single-width (87 x 28 x 90 mm,
HxWxD) or double-width (87 x 46 x 90 mm, HxWxD) form factor. See
specifications for Expansion I/O on page 240
for information on module
dimensions.
Single-width Expansion I/O
2085-OF4 Analog 4-channel, 12-bit isolated
(1)
voltage/current output
2085-IRT4 Analog 4-channel, 16-bit isolated
(1)
RTD and Thermocouple input module
2085-ECR Terminator 2085 bus terminator
(1) Refers to isolation from field side wiring to controller, not channel-to-channel isolation.
Micro800 Expansion I/O Modules
Catalog Type Description
1
1
45308
8
Front view
Right top view
45307
1
2085-OW8 shown
2
5
5
3
3
3
6
4
7
6
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