Vfd Indicator Lamps Description - ITech IT-M3900C Series User Manual

1. Sense terminals (Vs+, Vs-)
2. DC output terminals of the power supply
3. Interface for optional accessories IT-E176 and IT-E177 (For details, see
4. Digital I/O interface: P-IO
5. LAN communication interface
6. CAN communication interface
7. USB communication interface
8. Communication interface of outer ring optical fiber (TX and RX)
9. AC power input terminals (L1, L2, L3, and PE)

1.6 VFD Indicator Lamps Description

This series instrument VFD indicator lamps description is as follows:
Table 1–1 VFD Indicator Lamps Description
Flag
OFF
CV
CC
*
CR
Options Introduction)
This interface is used for the parallel connection between the units for the
communication of units in parallel.
Function
Description
The output of the
power supply is
turned off.
The power supply is
in a state of con-
stant voltage
output.
The power supply is
in a state of con-
stant current output.
The keyboard lock
is turned on.
The power supply
(Sink) is in constant
resistance state.
Copyright © Itech Electronic Co., Ltd.
Flag Function Description
Sense Sense function of the power
supply is enabled.
Rear Analog function begin to
work.
Addr When received command
successfully, the flag will
display 3 seconds.
Rmt Indicates that the instrument
is working in remote control
mode.
Error Error occur
Quick Reference
1.9
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