Ppingreq (Ping Request) - Panasonic FP7 Series Command Reference Manual

17.5 pPINGREQ (PING Request)

17.5 pPINGREQ (PING Request)
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Ladder diagram
(Note 1) The above figure shows the case that S1=U100 (built-in ET-LAN in the CPU unit) and S2=U1
(connection number 1) are specified by the UNITSEL instruction.
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List of operands
Operand Description
S Number of requests to send PING (Available range: 1 to 10 times)
D Starting address of the device area that stores the results of the PING requests
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Devices that can be specified (indicated by ●)
Operan
d
W W
X Y
S ● ●
D ● ●
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Outline of operation
● This instruction performs a PING send request to the partner unit IP address of a specified
connection for the number of times that is specified by [S].
● This instruction is used for checking the operation status of a communication relay device.
● This instruction is dedicated to ET-LAN.
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Processing
● The PING request results are stored in the area that starts with [D].
● The timeout period for one PING response is one second (fixed).
● When the Ethernet task is initialized during a PING request, zero is set to all the areas in
which the results are stored ([D]).
● The size of sent/received data is 56 bytes (fixed).
17-28
16-Bit device:
W W W S D L
R L S D T D
● ● ● ●
● ● ● ●
32-Bit
device:
TS TE
U W
WI IX
C C
M O
S E
Real St
Integer numbe rin
r g
D
K H SF " "
Ｕ
F
● ●
WUME-FP7CPUPGR-12
Index
modifie
r
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