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Eyeheight Limited, Sutton Business Centre, Restmor Way, Wallington, Surrey SM6 7AH
Reg. No. 2855535 Telephone: +44 (0) 208 255 2015 Fax: +44 (0) 208 241 6951 email: sales@eyeheight.com
6
Technical Appendix
6.1
GPI/Tally/RS232 technical information.
The
AR-2N
has an RJ-45 connector with GPI, Tally and RS232 connections as
shown below:
1
GPI-1
White/Orange
2
GPI-2
Orange
3
GPI-3
White/Green
4
GND
Blue
5
RS232 TX
White/Blue
6
RS232 RX
Green
7
Tally (open
collector)
White/Brown
8
GPI-4
Brown
Table 1 GPI/Tally and RS232 pin-out on RJ-45.
Note that the Tally output is on a different pin compared to other genetics
products fitted with an RJ-45 connector.
6.1.1
GPI Inputs.
Figure 6-1 Typical GPI Input
GPI‟s are normally activated by a short to ground. The GPI has its own internal
pull-up resistor. If the user is interfacing with logic then