Octagon 6000 Series, Руководство пользователя

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6-6
EZ I/O 6000 Series user’s manual
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Model 6050
Sixteen of the 24 lines can be individually programmed as inputs or
outputs. These are divided into two groups of 8 lines with 10K resistors
that can be pulled to ground or +5V. As output lines, they can sink and
source 15 mA.
The remaining 8 lines are dedicated high current outputs, using a
ULN2804 high current Darlington array. The outputs are open collec-
tors and are capable of driving loads up to 100 mA at 50V.
6050 — Pulling the I/O lines high or low
Jumper block W2 pulls the I/O lines at ports A and C high or low. The
default pulls all of the I/O lines high.
Note For the location of W2, refer to the component diagram in the 6050
technical data appendix.
Table 6-6 6050 pull-up/pull-down EZ I/O
Configuration Description
W2[2–4]* All lines in Port A are pulled to +5V through 10K Ohm
W2[4–6] All lines in Port A are pulled to Gnd through 10K Ohm
W2[1–3]* All lines in Port C are pulled to +5V through 10K Ohm
W2[3–5] All lines in Port C are pulled to
Gnd
through 10K Ohm
* = default, pins jumpered
Note Port B of model 6050 is dedicated as a high current output port and is
not affected by the position of W2.
6050 — Organization of ports
The EZ I/O digital port has a total of 24 I/O lines connected to J1. The
lines are configured into three groups: port A, port B, and port C, each
consisting of 8 bits. Any of the lines at ports A or C can be configured
individually as inputs or outputs. Port B is dedicated as the high cur-
rent port and can only be configured as outputs. Immediately after a
reset, each I/O line on ports A and C becomes an input, and port B
drivers are off.