FTP3000 Series Programmable DC Power Supply Operation Manual
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2.7.3 Analog Interface
FTP3000 series power supply provides optional analog Interface at its rear panel. This interface has the functions
of analog programming input, voltage/current monitoring output, external digital signal input, power supply
status and work mode digital signal output.
Figure 2-8 Analog Interface
Table 2-5 Analog Interface PIN Function Description
PIN
Name
I/O
Description
1
VSET-
Input
Power supply voltage analog programming port negative terminal, input signal range 0~5V
2
VSET+
Input
Power supply voltage analog programming port positive terminal, input signal range 0~5V
3
ISET-
Input
Power supply current analog programming port negative terminal, input signal range 0~5V
4
ISET+
Input
Power supply current analog programming port positive terminal, input signal range 0~5V
5
GND
---
Reference ground
6
IMON
Output
Power supply output current monitoring port, monitor output range 0~5V
7
GND
---
Reference ground
8
VMON
Output
Power supply output voltage monitoring port, monitor output range 0~5V
9
MODE
Output
Output mode indicating port. The port outputs low level signal under CV mode, high level
signal under CC mode
10
GND
---
Reference ground
11
INHIBIT
Input
External control, used as trigger signal or output on/off control signal
12
READY
Output
Power supply working state indicator, the port outputs High level signal if working normally,
low level signal if fault or protection
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1
. The digital signal level is 0~5V.
2. The analog interface terminal is electrically isolated from the power supply output
terminal.
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