Hitachi HIDIC MICRO-EH Applications Manual page 174

Item number FUN instructions-1
Ladder format
FUN 5 (s)
Instruction format
FUN 5 (s)
Usable I/O
s Argument
s+1 (system area)
s+2 (system area)
Function
This command is to switch dedicated port (programming port) to general purpose port.
S Port number Current setting
S+1 System area
S+2 System area
Notes
•
General purpose port can be configured only one port. If either port is configured general purpose port, FUN 5 command for
the other port is ignored with DER=1.
•
General purpose works only when CPU is in RUN mode. When CPU status is in STOP, the port is automatically switched
back to dedicated port (programming port).
•
It is impossible to switch from general purpose to dedicated port while CPU is in RUN status.
•
FUN 5 does not work if port 1 is configured as modem mode.
Program example
X00000 DIF0
Program description
Port 2 is switched to general purpose port at rising edge of X0000 input.
Name
Condition code
R7F4 R7F3 R7F2
DER ERR SD
↕
Number of steps
Condition
—
Bit
R, TD, SS,
X Y M CU, CT WX WY
Port number
H01 : Port 1
H02 : Port 2
* Error with the other values
Current setting
H00 : Dedicated port (Programming port)
H01 : Port 1 is general purpose port
H02 : Port 2 is general purpose port
WR0100 = H0200
FUN 5 (WR0100)
5-124
Chapter 5 Instruction Specifications
General purpose port switching
Processing time (µs)
R7F1 R7F0
Average Maximum
V C
114
Steps
3
Word Double word
WR, DR,
WM TC DX DY DM
LD X00000
AND DIF0
[
WR0100 = H0200
FUN 5 (WR0100)
]
Remark
-
Other