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When COM ports are configured as Modbus slaves, the internal PLC tags are mapped to the modbus addresses as
given in the following table:
PLC Tag description
Reg. Addressing
Bit Addressing
Modbus address
I/O register
XW(400)
X (6400)
440001 - 440400
YW(400)
Y (6400)
441001 - 441400
Auxiliary registers
BW00-BW255
B0000 to B4095
442001 - 442256
System Registers
SW00-SW256
Not Mapped
420001 - 420256
Timer Registers
T00-T255
Not Mapped
400001 - 400256
Counter Register
C00-C255
Not Mapped
410001 - 410256
Data Registers
D0000-D4095
Not Mapped
450001 - 454096
Retentive Registers
Not Mapped
430001 - 431400
Index Register (I,J,K)
I
Not Mapped
443001
J
Not Mapped
443002
K
Not Mapped
443003
Configuration MW registers
MW(1600)
M(25600)
460001-461600
COILS:
TR0- TR15
Input Coil (R)
X (6400)
000001 - 006400
Output Coil (R/W)
Y (6400)
010001 - 016400
System Coil (R/W)
S 0000 to S 0099
020001 - 020100
Internal Coil (R/W)
B 0000 to B 1023
030001 - 034096
Timer Devices (256 bits = 16 words)
T. 000 to T. 255
021001 - 021256
Counter Devices (256 bits = 16 words)
C. 000 to C. 255
022001 - 022256
Configuration MW coils
M(25600)
035001 - 060600
Summary of Contents for V200 GAA242**S
Page 66: ...Page 58 V200 PLC with DIN rail slider Front View Rear View ...
Page 78: ...Page 70 Aladder Text Editor appears as shown below Now here you can create your ladder ...
Page 82: ...Page 74 CONFIGURATION Configuring V200 with OIL DS Tag Database Register Memory Allocation ...
Page 84: ...Page 76 5 Press OK Project Configuration window will pop up as shown below ...
Page 104: ...Page 96 OPERATING SYSTEMS OVERVIEW System Operating Modes Mode Selection ...
Page 124: ...Page 116 TROUBLESHOOTING Troubleshooting Procedure Self Diagnostics ...