iii
5.3
Initializing a Test in MANUAL Mode ...................................................... 91
5.3.1
AC Output ...................................................................................... 91
5.3.2
DC Output ..................................................................................... 92
6.
Displayed Messages .................................................................................... 94
6.1
OTP
– Over Temperature Protection .................................................... 94
6.2
OCP
– Over Current Protection ............................................................ 94
6.3
OPP
– Over Power Protection .............................................................. 94
6.4
OVP
– Output Voltage Protection ......................................................... 95
6.5
A-SH
– Amplifier Shutdown Protection ................................................. 95
6.6
RCP
– Reverse Current Protection ....................................................... 95
6.7
LVP
– Low Voltage Protection............................................................... 95
Displayed if the power source detects a discrepancy between the output
voltage setting of 10V or greater for more than 1 sec. The LED indicator the
Test/Reset key will be blinking. ........................................................................ 95
7.
Remote PLC ................................................................................................ 96
7.1
Signal Output ........................................................................................ 96
7.2
Signal Input and Remote Interlock ........................................................ 96
8.
Bus Remote Interface USB/GPIB/RS-232 ................................................... 99
8.1
USB/RS-232 Interface .......................................................................... 99
8.1.1
RS-232 Connector ....................................................................... 100
8.1.2
Communication Port Configuration .............................................. 100
8.1.3
Sending and Receiving Commands ............................................ 100
8.2
GPIB Interface .................................................................................... 101
8.2.1
GPIB Connector .......................................................................... 101
8.2.2
GPIB Address .............................................................................. 101
8.3
Interface Functions ............................................................................. 101
8.4
USB/GPIB/RS-232 Interface Command List ....................................... 102
8.4.1
Basic Commands and Query Commands ................................... 102
8.4.2
3Φ4W Queries ............................................................................. 107
8.4.3
1Φ3W Queries ............................................................................. 109
8.4.4
Program Commands and Companion Queries ............................ 110
8.4.5
System Commands and Companion Queries ............................. 113
8.4.6
IEEE 488.2 Common Commands................................................ 114
9.
Calibration Procedure ................................................................................ 118
9.1
Hardware Verification and Calibration Procedure ............................... 118
Required Measurement Standard. ................................................................ 118
Required Measurement Equipment. .............................................................. 118
9.2. Activate Non-Calibration Mode ............................................................... 118
9.3. Adjust the Power Voltage for Control Circuit ........................................... 118
9.4. Adjust the Amplifier Inverter DC Bus Voltage.......................................... 119
9.5. Clear the Output High Frequency Ripple and Noise ............................... 119
9.6.
Adjust the Output “0” Volts and “110” Volts DC Offset ............................ 119
9.7
Software Calibration Procedure .......................................................... 121
9.8
Enter Calibration Mode ....................................................................... 122
9.9
Calibration of Voltage 150.0V ............................................................. 122
9.10
Calibration of Voltage 300.0V ............................................................. 123