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83
-
5
15
-
0
00
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 Genesys
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 optica
lly is
o-
lated si
g
nals 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 readback.
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 temper
ature coefficient
PPM/
°
C
+/
-
100
Output Current programming temperature coefficient
PPM/
°
C
+/
-
100
Input impedance
Ohm
1M
Absolute maximum voltage
Vdc
0
-
15
Progra
m
ming
Inputs
Max. voltage between program inputs and supply outputs
Vdc
600
Output Volt
age 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 ou
t
puts
Vdc
600
NOTE:
Use 100Kohm minimum input impedance for the monitoring circuit
s 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 progr
amming temperature coefficient
PPM/
°
C
+/
-
200
Input impedance
Ohm
50
Absolute maximum input current
Vdc
0
-
30
Progra
m
ming
Inputs
Max. voltage between program inputs and supply outputs
Vdc
600
Output Voltage monitoring accuracy
%
+/
-
1.5
Output Curren
t monitoring accuracy
%
+/
-
1.5
Maximum load impedance
Ohm
500
Monitoring
Outputs
Max. voltage between monitoring outputs and supply ou
t
puts
Vdc
600