Parker PDHX-E Series User Manual page 36

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TM8 Module
Figure 3-9. Connections to TM8 Thumbwheel Module
Using two TM8 Thumbwheels
Wire the TM8s as shown in Figure 3-10.
Configure as previously described.
Output 6 is used to select which thumbwheel is to be read.
SET 1OUT6A Programmable output.
Enter the following commands.
Command Description
OXXXXX0 Output 6 is low TM8 module #1 is disabled, TM8 module #2 is enabled.
DRD Request distance data from thumbwheel #2.
1D Display the distance read.
OXXXXX1 Output 6 is high TM8 module #1 is enabled, TM8 module #2 is disabled.
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Lmt+
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Stop
Aux
I-1
I-2
I-3
I-4
I-5
I-6
I-7
I-8
I-9
I-10
O-1
O-2
O-3
O-4
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Gnd
Main I/O
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