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COOLMAY EX3G PLC/HMI All in one Programming manual
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2. PLC
2.1 PLC Programming notice
The PLC is compatible with GX 8.86/Works 2 and below. If you use other versions of the software,
incompatibility may occur.
When the PLC program is downloaded, there is a prompt error: Cannot specify the com port,
GX 8.86 software: Online - Transfer settings change com port;
Works 2: All targets - Change the com port in all connected targets;
If communication error occurs, cable is abnormal If prompted, remove it by powering off, detecting the cable,
detecting whether the power is normal, or replacing the computer.
In the Works 2 software version, choose the figure :
(Note: the label is forbidden)
2.2 Soft element table
Name
Contents
I/O relay
Input relay
X000~X047
40points
Soft element number is octal
Total 80points for I/O
Output relay
Y000~Y047
40points
Auxiliary relay
General
M0~M383
384 points
EEPROM hold
M384~M1535
1152 points
General*1
M1536~M7679*2
6144 points
Special*3
M8000~M8511
512 points
Status
Initial state (EEPROM hold)
S0
~
S9
10 points