vi
3.25.5 :MDELay <NRf> .................................................................................................................................................................... 3-150
3.25.6 :SVOLtage <NRf>................................................................................................................................................................... 3-151
3.25.7 :STIMe <NRf> ....................................................................................................................................... 3-151
3.25.8 :DTIMe <NRf> ....................................................................................................................................... 3-152
3.25.9 :PDTime <NRf> ...................................................................................................................................................................... 3-152
3.25.10 :MVOLtage <NRf> ................................................................................................................................................................ 3-152
3.25.11 :MTIMe <NRf>......................................................................................................................................................................... 3-153
3.25.12 :HLEVel <NRf> ...................................................................................................................................................................... 3-153
3.25.13 :HTIMe <NRf> ........................................................................................................................................................................ 3-153
3.25.14 :LLEVel <NRf>........................................................................................................................................................................ 3-153
3.25.15 :LTIMe <NRf>.......................................................................................................................................................................... 3-154
3.25.16 :COUNt <NRf>......................................................................................................................................................................... 3-154
3.25.17 :OFSVoltage <NRf> ............................................................................................................................... 3-154
3.25.18 :ALTVoltage <NRf> .............................................................................................................................. 3-154
3.25.19 :READings <NRf> ................................................................................................................................. 3-154
3.25.20 :DISCard <NRf> .................................................................................................................................... 3-155
3.25.21 :SPOints <NRf>........................................................................................................................................................................ 3-155
3.25.22 :SPINterval <NRf> .................................................................................................................................................................. 3-155
3.25.23 Test sequence programming example .................................................................................................... 3-155
3.26 UNIT Subsystem ............................................................................................................................................ 3-156
3.27 RS-232 Serial Interface .................................................................................................................................. 3-157
3.27.1 RS-232 Interface Configuration ............................................................................................................. 3-157
3.27.2 RS-232 Operating Considerations .......................................................................................................... 3-157
3.27.3 RS-232 Interface Error Messages ........................................................................................................... 3-158
3.27.4 Downloading commands using ProComm ............................................................................................. 3-158
3.28 DDC programming language ......................................................................................................................... 3-158
A Specifications
A.1 Accuracy calculations ........................................................................................................................................ A-4
A.1.1 Calculating volts accuracy ......................................................................................................................... A-4
A.1.2 Calculating amps accuracy ........................................................................................................................ A-4
A.1.3 Calculating ohms accuracy ........................................................................................................................ A-4
A.1.4 Calculating coulombs accuracy ................................................................................................................. A-5
A.1.5 Calculating Resistance/Resistivity Accuracy and Repeatability using the Alternating Polarity Method . A-5
B Interface Function Codes
C ASCII Character Codes and IEEE-488 Multiline Interface
Command Messages
D IEEE-488 Bus Overview
Introduction ....................................................................................................................................................... D-1
Bus description .................................................................................................................................................. D-1
Bus lines ............................................................................................................................................................ D-2
Bus commands ................................................................................................................................................... D-3