
Contents
Blue Chip Technology Ltd.
01271013.doc
INTRODUCTION................................................................................1
OUTLINE DESCRIPTION ..................................................................1
1.0 SPECIFICATIONS .......................................................................2
1.1 Electrical Specification.............................................................2
1.2 Physical Specification ..............................................................3
Electromagnetic Compatibility (EMC).............................................4
EMC Specification .........................................................................5
2.0 USER ADJUSTMENTS...............................................................6
2.1 Selecting the Base Port Address ..............................................6
2.2 Port Map..................................................................................7
3.0 ELECTRICAL OPTIONS............................................................10
3.1 Input/Output Connections.......................................................10
3.2 Watchdog Channel.................................................................11
3.3 Temperature Monitor..............................................................12
3.4 Fan Speed Monitor.................................................................13
3.5 Power Supply Monitor ............................................................13
3.6 Opto-Isolated External Inputs.................................................13
3.7 Patch Inputs...........................................................................15
3.8 Fault Indications.....................................................................15
3.9 Enabling/Disabling Watchdog Functions.................................16
4.0 OPERATING GUIDE..................................................................17
4.1 Programming Guide...............................................................17
4.2 Example Programs.................................................................17
5.0 WATCHDOG TSR SOFTWARE ................................................22
6.0 APPLICATION NOTES ..............................................................26
6.1 Changeover Relay .................................................................26
6.2 External Inputs.......................................................................26
APPENDIX A ...................................................................................27
APPENDIX B ...................................................................................29
PC/XT/AT Port Map .....................................................................29
I/O Address Map..........................................................................29