Mitsubishi Electric Melsec Q Series User Manual page 267

7
PROGRAMMING
(b) When using dedicated instructions
Program for DP-Slave control (
Program for reading diagnostic information (
Figure 7.36 I/O Data Exchange Program Example (Dedicated Instructions)
This section explains a program in which the QJ71PB92V communicates with DP-
Slaves using dedicated instructions.
Section 7.1.1 (2)(a)
7.9 Program Examples for Use in the Redundant System
7.9.1 I/O Data Exchange Program Examples
Not needed when the initial setting is not changed.
)
Section 7.1.1 (2)(b)
)
Turn ON the initial
setting execution command
Initializes Diagnostic info.
invalid setting area
Initializes Diagnostic info. non-
notification time setting area.
Sets conditions for system
switching.
Sets a system switching
DP-Slave (1st)
Specifies the 2nd temporary
slave reservation
Turn OFF the initial
setting execution command
Initializes Diagnostic info.
invalid setting area
Sets 0 in Diagnostic info. non-
notification time setting area
Sets conditions for system
switching.
Sets a system switching
DP-Slave (1st)
Specifies the 2nd temporary
slave reservation
Turns OFF Y00 to Y1F
Writes tracking-transferred
data to Output data area.
Writes the initial output
data value.
I/O data exchange
start processing
BBLKRD execution
(Reading input data)
Reads Slave status area.
BBLKWR execution
(Writing output data)
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