Keithley 2701, Руководство пользователя

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Model 2701 User’s Manual KE2700 Instrument Driver Examples G-3
Table G-1
Visual Basic and CVI (C) examples
Name Manual Reference Brief Description
Advance1 None Use Case 1 — 40-channel scan using 7708 module:
• 30 channels DCV (10V range).
• 10 channels type T thermocouple temperature.
• Measurement speed (rate) – 1 plc.
• Filter – Disabled (no filtering).
• Buffer – Store 160 reading strings. Buffer elements include
reading, channel #, and real time clock.
• Triggering – Timer scan; 40 channels every one minute.
• Data retrieval – SRQ when buffer ¼, ½, ¾, and full.
Advance2 None Use Case 2 — 40-channel scan using 7708 module:
• 30 channels DCV (15 on 100mV range, 15 on 10V range).
• 9 channels ACV (1V range).
• 1 channel 4-wire RTD temperature.
• Measurement speed (rate) – 1 plc.
• Filter – Disabled (no filtering).
• Buffer – Store 160 reading strings. Buffer elements include
reading only.
• Triggering – Timer scan; 40 channels every one minute.
• Data retrieval – SRQ when buffer ¼, ½, ¾, and full.
Advance3 None Use Case 3 — Two scans using 7708 module:
• 40 channel DCV (1V range) scan.
• 20 channel
Ω
4 scan:
• Models 2700 and 2701 – 100
Ω
range.
• Model 2750 – 10
Ω
range, dry-circuit ohms enabled.
• Measurement speed (rate) – 0.1 plc.
• DCV input divider – Enabled (10M
Ω
input impedance).
• Filter – Disabled (no filtering).
• Buffer – Store 40 DCV reading strings, 20
Ω
4 reading strings.
Buffer elements include reading only.
• Limits (DCV scan) – Limit 1 (all channels) = 20mV, Master
Latch enabled.
• Triggering – Bus control source.
• Data retrieval – SRQ if limit fails.
2701-900-01.book Page 3 Wednesday, August 3, 2011 9:43 AM