-23-
No.EX##-OMI0032-C
3. Setting I/O Memory map
GW unit occupies memory area as follows according to the number of I/O point set up on the front page.
Ex.) Input point: 64, Output point: 64 (Setting at shipment)
In case of the input data, the sensor signal data of the Input unit which was connected with the COM
A port, occupies "Word (a)" of the input area.
If a sensor signal is stored in the "0 bit" of the Input unit, it becomes like the figure below.
In the same way, in the case of the output data, the contents displayed in "Word (c)" of the output
area.
•
Memory map of input data
Data (2 byte)
MSB LSB MSB LSB
Input area
Branch connector (INPUT)
15 8 7 0
Word (a)
COM A
Word (a+1)
COM B
Word (a+2)
COM C
Word (a+3)
COM D
Word (a+4)
※
Word (a+5)
※
GW unit status information
: :
(a, b=0 to)
∗
: Only when the GW unit status is set to "on", status information can be assigned after the entry of input data.
•
Memory map of output data
Data (2 byte)
MSB LSB MSB LSB
Output area
Branch connector (OUTPUT)
15 8 7 0
Word(c)
COM
A
Word(c+1)
COM
B
Word(c+2)
COM
C
Word(c+3)
COM
D
: :
(c, d=0 to)
NOTE
Read carefully the user manual of PLC which is used as a master.
The method of PLC setup, reading from or writing to memory differ from one PLC
manufacturer to another.
byte (b+1)
byte (b+3)
byte (b+5)
byte (b+7)
byte (b+9)
byte (b+11)
byte (b)
byte (b+2)
byte (b+4)
byte (b+6)
byte (b+8)
byte (b+10)
byte (d+1)
byte (d+3)
byte (d+5)
byte (d+7)
byte (d)
byte (d+2)
byte (d+4)
byte (d+6)
Содержание EX510-DXB1
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