Spellman 225 Series, Instruction Manual, Page: 6 / 20

225 Series User’s Manual
1
118120-001-Rev. A
TABLE OF CONTENTS
I. INTRODUCTION
1.0 Scope of Manual…………………………………………………………. 3
1.1 Purpose of Equipment……………………………………………………. 3
1.2 Description………….……………………………………………………. 3
II. OPERATION
2.1 Installation………….……………………………………………………. 3
2.2 Input Power………….………………………………………………...…. 3
2.3 Power On / Self-Test………….…………………………………………. 3
2.4 High Voltage Control……………………………………………………. 4
2.5 Polarity Reversal……….…………………………………………………. 4
2.5.1 Polarity Reversal – 500V to 5kV Output Models… ……….. 4
2.5.2 Polarity Reversal – 10kV to 50kV Output Models………… 4
III. GPIB OPERATIONS
3.1 Program Control Switch.………………………………………………… 4
3.2 GPIB Address Switch……………………………………………………
4
3.3 GPIB Protocol……………………………………………………………. 5
3.3.1 Data Transfer Functions – SH1, T5, CO, AH1, PPO…………… 5
3.3.2 Service Request Functions – SR1………………………………….. 5
3.3.2.1 Service Request (SRQ)……………………………………. 5
3.3.2.2 Serial Poll (SPL)………………………………………….. 5
3.3.3 Device Clear Function – DCI……………………………………… 6
3.3.4 Device Trigger Function – DT1…………………………………… 6
3.4 User Commands………………………………………….………………. 6
3.4.1 Programming the High Voltage Output (“P”)…………………… 6
3.4.1.1 Programming the Output Voltage as a Percentage…… 7
3.4.2 Setting the Output Limits (“L”)……………………………………. 7
3.4.3 Entering the Current Programming & Limit Values (“G”)……. 7
3.4.4 Shutting the high Voltage Output Off (“Z”)……………………… 7
3.4.5 Restoring the high Voltage Output (“R”)………………………… 7
3.4.6 Selecting the Overload Trip Response (“OE” and “OC”)……… 7
3.4.7 Selecting the Overload Service Request Respons
(“SE” and “SC”)………………………………….. 7
3.4.8 Triggering Meter Readings of the Output (“T”)………………… 7
3.4.9 Status “M”)………………………………………………………….. 8
3.5 Sample Computer Programs…………………………………………… 8