Mitsubishi Electric MELSEC-Q Series User Manual page 139

(3) Overview of data transmission of when the standby master function is used
The following is an overview of data transmission of when the standby master function is used.
(a) When data link is controlled by the master station
• Output from the master station
Standby master station (standby status)
Master station (controlling)
Remote Remote
input (RX) output (RY)
RX00 to RX0F
RY00 to RY0F
RX10 to RX1F RY10 to RY1F
RX20 to RX2F
RY20 to RY2F
RX30 to RX3F
RY30 to RY3F
RX40 to RX4F RY40 to RY4F
RX50 to RX5F
RY50 to RY5F
Outputs (RY/RWw) from the master station are stored in inputs (RX/RWr) of the standby master station
(shaded areas in the figure above).
• Input of the master station
Standby master station (standby status)
The number of occupied stations: 1
Master station (controlling)
Remote Remote
input (RX) output (RY)
RX00 to RX0F
RY00 to RY0F
RX10 to RX1F RY10 to RY1F
RX20 to RX2F
RY20 to RY2F
RX30 to RX3F
RY30 to RY3F
RX40 to RX4F RY40 to RY4F
RX50 to RX5F
RY50 to RY5F
Inputs (RX/RWr) from slave stations to the master station are stored in outputs (RY/RWw) of the standby
master station (shaded areas in the figure above).
Station number 1
Occupies 1 station
Remote Remote
input (RX) output (RY)
RX00 to RX0F
RY00 to RY0F
RX10 to RX1F RY10 to RY1F
RX20 to RX2F
RY20 to RY2F
RX30 to RX3F RY30 to RY3F
RX40 to RX4F RY40 to RY4F
RX50 to RX5F
RY50 to RY5F
Station number 1
Remote Remote
input (RX) output (RY)
RX00 to RX0F
RY00 to RY0F
The number of occupied stations: 1
RX10 to RX1F RY10 to RY1F
RX20 to RX2F
RY20 to RY2F
RX30 to RX3F
RY30 to RY3F
RX40 to RX4F RY40 to RY4F
RX50 to RX5F
RY50 to RY5F
Remote I/O station
Station number 2
Occupies 1 station
X00 to X0F Y00 to Y0F
X10 to X1F Y10 to Y1F
Remote I/O station
Station number 2
X00 to X0F Y00 to Y0F
The number of occupied stations: 1
X10 to X1F Y10 to Y1F
CHAPTER 8 FUNCTIONS
Remote I/O station
Station number 3
Occupies 1 station
X00 to X0F Y00 to Y0F
X10 to X1F Y10 to Y1F
Remote I/O station
Station number 3
X00 to X0F Y00 to Y0F
X10 to X1F Y10 to Y1F
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