Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide RFL-A2000D-3000D Ver.1.0
33
4.8.1 Wiring in RS-232 Mode
INTERFACE
AC INPUT
Left Disconnected
AD
Left Disconnected
MODULATION
Modulation Signal
INTERLOCK
ITL_A
ITL_B
Shorted
COM of PC
RS-232
RS-422
Left Disconnected
L1
L2
L3
N
PE
Three Phase
AC Power
Supply(With
Neutral)
RX
TX
GND
CONTROL
LAS_C
AD/RS
RDY
EGND
EVCC
System Ready
External Ground
External Power Supply
S_ERR
System Error
Left Disconnected
Figure 12: Wiring in RS-232 Mode
The wiring in RS-232 mode is similar to the wiring in hyper terminal mode. The differences
are: you have to connect the “MODULATION” cable, and “LAS_C” must be left disconnected.
4.8.2 The Communication Protocol
The protocol is presented in the table below: