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83-507-5002 Rev. B
69
CHAPTER 8 ISOLATED ANALOG PROGRAMMING OPTION
8.1 INTRODUCTION
Isolated Analog Programming is an internal Option Card for analog programming of the Gene-
sys
TM
power supply series. The option is factory installed and cannot be obtained with a GPIB
(IEEE-488) Interface. Output Voltage and Output Current can be programmed and readback
through optically isolated signals which are isolated from all other ground references in the power
supply.
There are two types of Isolated Analog programming cards:
1. 0-5V/0-10V option (PN: IS510): Using 0-5V or 0-10V signals for programming and read-
back.
2. 4-20mA option (PN: IS420): Using current signals for programming and readback.
8.2 SPECIFICATIONS
8.2.1 0-5V/0-10V OPTION (PN: IS510)
Output Voltage programming accuracy % +/-1
Output Current programming accuracy % +/-1
Output Voltage programming temperature coefficient PPM/°C +/-100
Output Current programming temperature coefficient PPM/°C +/-100
Input impedance Ohm 1M
Absolute maximum voltage Vdc 0-15
Programming
Inputs
Max. voltage between program inputs and supply outputs Vdc 600
Output Voltage monitoring accuracy % +/-1.5
Output Current monitoring accuracy % +/-1.5
Output Impedance (see Note) Ohm 100
Monitoring
Outputs
Max. voltage between monitoring outputs and supply
outputs
Vdc 600
NOTE:
Use 100Kohm minimum input impedance for the monitoring circuits to minimize the readback
error.
8.2.2 4-20mA option (PN: IS420)
Output Voltage programming accuracy % +/-1
Output Current programming accuracy % +/-1
Output Voltage programming temperature coefficient PPM/°C +/-200
Output Current programming temperature coefficient PPM/°C +/-200
Input impedance Ohm 50
Absolute maximum input current Vdc 0-30
Programming
Inputs
Max. voltage between program inputs and supply outputs Vdc 600
Output Voltage monitoring accuracy % +/-1.5
Output Current monitoring accuracy % +/-1.5
Maximum load impedance Ohm 500
Monitoring
Outputs
Max. voltage between monitoring outputs and supply
outputs
Vdc 600