Allen-Bradley 1747-OC Series, User Manual

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1747-UM001A-US-P - March 2000
7-4 Using the Open Controller
Using the Parallel Port
Both open controller CPU modules have one PC-compatible, bi-directional
parallel port (Figure 7.5). The parallel port is not electrically isolated from
the backplane.
Figure 7.5
Connecting to the parallel port
Using the Universal Serial Bus
(USB) Port
The 1747-OCF has one Universal Serial Bus (USB) port for USB devices.
STATUS BATT
COM 1
LED 1 LED 2
LED 3 LED 4
COM 2
OC 586 CPU
STATUS BATT
COM 1
LED 1
LED 2
LED 3 LED 4
COM 2
OC 266 PENTIUM CPU
Pin assignments
Pin Description Pin Description
1 strobe
1
14 auto feed
1
2 data bit 0 15 error
1
3 data bit 1 16 initialize printer
1
4 data bit 2 17 select input
1
5 data bit 3 18 common
6 data bit 4 19 common
7 data bit 5 20 common
8 data bit 6 21 common
9 data bit 7 22 common
10 acknowledge
1
23 common
11 busy 24 common
12 paper end 25 common
13 select
1
low true
1747-OCE
1747-OCF
Use 25-pin micro D-shell adapter cable 1747-OCP252
Maximum cable length 10 ft (3.05 m)
1 parallel port
STATUS BATT
COM 1
LED 1 LED 2
LED 3 LED 4
COM 2
OC 266 PENTIUM CPU
USB port
1747-OCF