Specifications

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BASIC commands

PROGRAMMING MANUAL 139

Revision 5.0

3.2.199 OPEN_WIN

3.2.200 OR

Description The OP command sets one or more outputs or returns the state of the first 24

outputs. OP has three different forms depending on the number of argu-

ments.

• Command OP(output_number,value) sets a single output channel. The

range of output_number depends on the number of additional digital I/O

connected over the MECHATROLINK-II bus and value is the value to be

output, either 0 or 1.

• Command OP(binary_pattern) sets the binary pattern to the 24 outputs

according to the value set by binary_pattern.

•Function OP (without arguments) returns the status of the first 24 out-

puts. This allows multiple outputs to be set without corrupting others

which are not to be changed.

Note: The first 8 outputs (0 to 7) do not physically exist on the TJ1-MC__.

They can not be written to and will always return 0.

Arguments • output_number

The number of the output to be set. The range for this parameter

depends on the number of additional digital I/O connected over the

MECHATROLINK-II bus. If there are no digital I/O connected, the range

for this parameter is 8..31

• value

The value to be output, either OFF (0) or ON (1). All non-0 values are

considered as ON.

• binary_pattern

The integer equivalent of the binary pattern is to be output.

Example OP(12,1)

OP(12,ON)

These two lines are equivalent.

Example OP(18*256)

This line sets the bit pattern 10010 on the first 5 physical outputs, outputs 13

to 17 would be cleared. The bit pattern is shifted 8 bits by multiplying by 256

to set the first available outputs as outputs 0 to 7 do not exist.

Example VR(0) = OP

VR(0) = VR(0) AND 65280

OP(VR(0))

This routine sets outputs 8 to 15 ON and all others off.

The above programming can also be written as follows:

OP(OP AND 65280)

Example val = 8 ' The value to set

mask = OP AND NOT(15*256) ' Get current status and mask

OP(mask OR val*256) ' Set val to OP(8) to OP(11)

This routine sets value val to outputs 8 to 11 without affecting the other out-

puts by using masking.