BK Precision 8500 User Manual

Triggering..........................................................................................................................................39
Voltage threshold operation..............................................................................................................40
Passwords........................................................................................................................................40
Protection features............................................................................................................................40
Over Voltage protection................................................................................................................41
Over Current protection................................................................................................................41
Over Power protection .................................................................................................................41
Reverse voltage protection...........................................................................................................41
Over Temperature protection.......................................................................................................42
Remote sensing................................................................................................................................42
Saving and Recalling settings...........................................................................................................43
Remote operation..................................................................................................................................44
Communication cables......................................................................................................................44
RS232 to TTL serial converter cable IT-131 (standard)................................................................44
USB to TTL serial converter cable IT-132 (option)........................................................................44
RS-232 settings................................................................................................................................45
Overview of DC Load programming..................................................................................................45
Packet structure...........................................................................................................................45
Status packets..............................................................................................................................46
Chapter organization....................................................................................................................48
Summary of commands....................................................................................................................49
Command details..............................................................................................................................51
Serial number and firmware version......................................................................................................71
In case of trouble...................................................................................................................................72
Instrument won't turn on....................................................................................................................72
Error messages during power-up......................................................................................................72
Keypad unlock procedure (Keypad was accidentally locked)............................................................72
Appendix: Service and warranty information.........................................................................................74
Index.....................................................................................................................................................75
8500 DC Load Series Version: February 4, 2009 Page 4 of 76

BK Precision 8500 Specifications

General

Maximum Power	150 W
Current Range	0-30 A
Load Modes	CC, CV, CR, CP
Input Voltage	100-240 VAC, 50/60 Hz
Voltage Resolution	1 mV
Current Resolution	1 mA
Ripple and Noise (CV)	≤ 10 mVrms
Operating Temperature	0°C to 40°C
Storage Temperature	-10°C to 70°C
Interface	RS232
Display	VFD
Voltage Accuracy	0.05% + 5 mV
Current Accuracy	0.1% + 10 mA
Ripple and Noise (CC)	10 mA rms