Keithley PIO-12 User Manual page 9

ii
Troubleshooting
5
Problem Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Identifying Symptoms and Possible Causes . . . . . . . . . . . . 5-1
Testing the Board and Host Computer . . . . . . . . . . . . . . . . . 5-4
Testing the Accessory Slot and I/O Connections . . . . . . . . . 5-4
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Specifications
A
Connector Pin Assignments
B
Register Maps
C
Port Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
List of Figures
Figure 1-1.
Figure 2-1.
Figure 2-2.
Figure 2-3.
Figure 2-4.
Figure 2-5.
Figure 2-6.
Figure 2-7.
Figure 2-8.
Figure 2-9.
Figure 3-1.
Figure 3-2.
Figure 3-3.
Figure 3-4.
Figure B-1. Main I/O Connector Pin Assignments . . . . . . . . B-1
Block Diagram of the PIO-12 . . . . . . . . . . . . . . . 1-2
Switch and Jumper Locations . . . . . . . . . . . . . . . 2-8
An AIO Panel example . . . . . . . . . . . . . . . . . . . 2-12
DIO channel tab example . . . . . . . . . . . . . . . . . 2-13
Configuring the digital I/O channels as
inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . 2-15
Configuring channel 0 for output bit
pattern A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
An AIO Panel example . . . . . . . . . . . . . . . . . . . 2-17
Configuring the digital I/O channels as
inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . 2-18
Configuring channel 0 for output bit
pattern A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Configuring channel 0 for output bit
pattern B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Pin Assignments for the Main I/O Connector . . 3-1
Attaching Accessories through a C-1800 or
S-1800 Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Layout of STC-37 Screw Terminal
Connector Panel . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Attaching an STC-37 Accessory . . . . . . . . . . . . 3-4