1771-0FE1/B 1771-WC Allen Bradley analog output module
Product Specificaion
| Brand/Manufacturer | Allen Bradley/USA |
| Part Number | 1771-0FE1/B |
| Alternate Part Number | 1771-WC |
| Description | analog output module |
| Dimennsions | WHD 5.1 cm x 15.2 cm x 25.4 cm |
| Weight | 0.5kg |
Product Details
The Analog Output Module (cat. no. 1771-OFE) is an intelligent
block transfer module that converts binary or four-digit BCD values
(supplied by your processor) to analog signals at its four module
outputs. The module accomplishes the data transfer with block
transfer programming.
Block transfer write (BTW) programming moves up to 13 words of data
from the processor to the module for digital to analog (D/A)
conversion in one program scan. This information is converted to
analog signals and is sent to the appropriate output channels. A
block transfer read (BTR) moves five words of data from the module
to the processor data table, if desired, for diagnostic purposes.
The BTR is discussed in Chapter 7, “Diagnostics and
Troubleshooting.”
The module has a scaling feature that converts data sent to the
module in engineering units to the proper analog signals. You may
connect up to four analog output devices--such as valve
positioners, motor speed controllers, signal converters or
recorders--to the analog output module’s four channels. All analog
output device inputs should conform to the voltage or current
ratings of each module output channel.
In the programmable controller system, the analog output module
provides the following functions:
four individually isolated differential outputs
selectable scaling to engineering units
selectable data format
selectable voltage ranges (1771-OFE1 only)
no external power required--power is drawn from the 1771 I/Ochassis
backplane.
requires only one I/O slot
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