Advanced M52 Microprocessor User's Guide
ADVANCED M52UMCT2019 COLOR
42
EXP Board
LED Relay energized
LED Active alarm
LED Power indicator
LED Communication
Fig.2 EXP Board
As shown in Figure 2, first bit code representation of E-TX Valve Enable to the P501 code in the ON position, not in
the ON position means E-TX Valve Disable.
2 bit code represents the DC VFD Comp. Enable to the P501 Code in the ON position, not in the ON position means
DC VFD Comp. Disable, P502 will not communication with DC VFD Controller.
3, 4 bit code represents the RS485 address, when the shifting to the ON position are respectively corresponding to 2, 1
values; All not in the numerical ON position corresponding to 0. The physical meaning is dial dial to the corresponding
numerical 2 is the expansion board 485 communication.
This is for RS485 Address, we can only support EXT RS485 address 2 and 3. 4,5,6,7 is for Extension.
3 4 EXT RS485 ID
0 0 2
0 1 3
1 0 4
1 1 5
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