OPTO 22 PAMUX, User Manual

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PROGRAMING WITH THE PAMUX DRIVER
Pamux User’s Guide
3-25
WRITE ANALOG BANK 18
P
URPOSE
:
Writes to a bank of eight analog I/O points.
C
OMMAND
T
YPE
:
Analog
P
ARAMETERS
:
COMMAND Contains the value 18.
ADDRESS
Contains the address of the Pamux brain board.
POSITION Contains the bank number.
VALUE ARRAY
Contains the values to be written to each position in the bank. Each element of
the array corresponds to a module position within the bank. Element 0
corresponds to the first module position, element 7 corresponds to the last.
R
EMARKS
:
Only I/O points configured as outputs will be affected.
E
XAMPLE
:
This example writes the value 3,048 to module positions 4, 5, and 6 and writes the value 0 to all
other module positions at address 6 of bank 1. The example assumes that these positions have
been previously configured as outputs.
100 COMMAND% = 18 ‘ Write Analog Bank command
110 ADDRESS% = 6 ‘ Address of brain board
120 POSITION% = 1 ‘ Bank number
130 VALUE%(0) = 0 ‘ Module 0
140 VALUE%(1) = 0 ‘ Module 1
150 VALUE%(2) = 0 ‘ Module 2
160 VALUE%(3) = 0 ‘ Module 3
170 VALUE%(4) = 3048 ‘ Module 4
180 VALUE%(5) = 3048 ‘ Module 5
190 VALUE%(6) = 3048 ‘ Module 6
200 VALUE%(7) = 0 ‘ Module 7
210 GOSUB 1000 ‘ Call the driver
.
.
1000 CALL Pamux(ERRCOD%,ADDRESS%,COMMAND%,POSITION%,VALUE%(0))
1010 IF ERRCOD% < 0 THEN GOTO 2000
1020 RETURN