CTI Products IOB I/O Interface - Manual (Page 5)

IOB Hardware Reference
CTI Products, Inc.
68-11168-105
iii
1. INTRODUCTION......................................................................................................... 1
1.1 R
EFERENCE
D
OCUMENTS
............................................................................................... 1
2. SPECIFICATIONS....................................................................................................... 2
3. THEORY OF OPERATION........................................................................................ 4
3.1 C
ONTROLLING THE I/O ................................................................................................... 4
3.1.1 Input Monitoring - I/O Groups and I/O Bits........................................................... 4
3.1.2 Output Control........................................................................................................ 7
3.2 M ODE 1 - G ENERAL P URPOSE I/O - 16 O UTPUTS ........................................................... 8
3.3 M ODE 2 - T WO S ETS OF 1 OF 4 S ELECT O UTPUT ............................................................ 8
3.4 M
ODE
3 - O
NE
S
ET OF
1
OF
4 S
ELECT
O
UTPUTS
............................................................. 9
3.5 M
ODE
4 - O
NE
S
ET OF
1
OF
8 S
ELECT
O
UTPUTS
............................................................. 9
3.6 C
USTOM
S
TATUS
T
EXT
S
UB
-
CATEGORIES
.................................................................... 10
4. OPTION SWITCHES AND JUMPERS ................................................................... 14
5. CONNECTORS........................................................................................................... 17
6. MOUNTING ................................................................................................................ 20
7. SYSTEM EXAMPLES ............................................................................................... 21
7.1 G
ENERAL
P
URPOSE
I/O E
XAMPLE
................................................................................ 21
7.2 O
NE OF
F
OUR
S
ELECT
I/O E
XAMPLE
............................................................................ 23
7.3 I
NVERTED
S
ELECT
A E
XAMPLE
................................................................................... 25
7.4 S UB - CATEGORY E XAMPLE ............................................................................................ 26
8. TROUBLESHOOTING ............................................................................................. 28