2
83532002 Rev C
5. LOCAL OPERATION.................................................................................................................... 54
5.1. Introduction........................................................................................................................................... 54
5.2. Standard Operation .............................................................................................................................. 54
5.3. Over Voltage Protection (OVP) ............................................................................................................ 55
5.4. Under Voltage Limit (UVL).................................................................................................................... 56
5.5. Foldback Protection.............................................................................................................................. 56
5.6. Output ON/OFF Control........................................................................................................................ 57
5.7. Output SHUT-OFF (SO) Control via Rear Panel J1 Connector........................................................... 57
5.8. Enable/Disable Control via Rear Panel J1 Connector.......................................................................... 58
5.9. CV/CC Signal ....................................................................................................................................... 58
5.10. PS_OK Signal....................................................................................................................................... 58
5.11. Safe Start and Auto-Restart Modes ..................................................................................................... 59
5.12. Front Panel Locking.............................................................................................................................. 59
5.13. Over Temperature Protection (OTP).................................................................................................... 60
5.14. Last Setting Memory............................................................................................................................. 60
6. SERIES AND PARALLEL OPERATION...................................................................................... 61
6.1. Series Operation................................................................................................................................... 61
6.2. Parallel Operation (Single-Wire/Two-Wire Method) ............................................................................. 64
7. REMOTE AND ANALOG PROGRAMMING................................................................................. 72
7.1. Introduction........................................................................................................................................... 72
7.2. Local/Remote Analog Selection ........................................................................................................... 72
7.3. Local/Remote Analog Indication........................................................................................................... 73
7.4. Remote Voltage Programming of Output Voltage and Current Limit ................................................... 73
7.5. Resistive Programming of Output Voltage and Current Limit .............................................................. 75
7.6. Remote Monitoring of Output Voltage and Current.............................................................................. 76
8. RS-232 & RS-485 REMOTE CONTROL ...................................................................................... 77
8.1. Introduction........................................................................................................................................... 77
8.2. Configuration ........................................................................................................................................ 77
8.3. Rear Panel RS-232/RS-485 Connector ............................................................................................... 78
8.4. Connecting Power Supplies to the RS-232 or RS-485 Bus ................................................................. 79
8.5. Communication Interface Protocol ....................................................................................................... 80
8.6. Error Messages .................................................................................................................................... 81
8.7. Command Set Description.................................................................................................................... 82
8.8. Global Output Commands.................................................................................................................... 85
8.9. Fast Queries......................................................................................................................................... 88
8.10. Status and Error Commands................................................................................................................ 89
8.11. Status, Error, and SRQ Registers ........................................................................................................ 90
8.12. Serial Communication Test Set-Up...................................................................................................... 93
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