Appendix C — Connector Pin Assignments
C - 1 1
Table C.1-3 — Digital Connector Pin-Outs
(Continued)
JP4 Pins
Function
DB 50 Pins
38
Ground
38
39
Port A, Bit-4
39
40
Ground
40
41
Port A, Bit-3
41
42
Ground
42
43
Port A, Bit-2
43
44
Ground
44
45
Port A, Bit-1
45
46
Ground
46
47
Port A, Bit-0
47
48
Ground
48
49
+5V, 250mA (maximum)
49
50
Ground
50
+5V, 250mA (maximum)
+5V supply available from the PC.
Digital I/O
The digital I/O can be programmed to be either input or output (in 8-bit
blocks) via software and is pulled-up to +5 volts with a 1K
Ω
resistor.
When configured as output, each bit can source 64mA (maximum). When
configured as input, each bit can sink 32mA (maximum).
Ground
Ground reference used for all digital signals.
C.1.4 Auxiliary I/O (40-Pin) JP5 Connector
This connector provides access to the ESP6000 auxiliary I/O signals.
The auxiliary I/O connector provides access to; (a) additional quadrature
encoder counters, (b) digital I/O, and (c) E-Stop input. Connector pin-outs
are listed in Table C.1-4, and functionally described in the following
paragraphs.
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