126
6 F 3 B 0 3 6 2
7.3 Remote Port Verification Request
This request verifies the existence of the specified remote port, and corresponds to the UNIX ping
command. This request can be issued when the Ethernet Port operating mode is either run or
standby mode. The Ethernet Port will respond to this request if its operating mode is either run or
standby mode.

Remote port verification request (using the SEND instruction)

a. Function
This is a request that verifies the existence of the specified remote port.
b. Transfer parameters
A3100H Module designation
A+1 CMD = 0014H CMD number
A+2
A+3
D- IP address
c. Status (See figure 4.3 for details on bits C, D, E and F.)
FEDCBA9876543210
B0000 TermSTS
B+1 Detailed information (Only valid when TermSTS = 0BH.)
d. Important items
•This request is possible in run and standby modes. (The IP address of the local port must be set
up.)
•The Ethernet Port returns a response to this request in run and standby modes. (The IP address
of the local port must be set up.)
•If the remote port exists: Normal return
•If the remote port does not exist (within 4 seconds):
Status: Transmission error (TermSTS = 0BH)
Detailed information: Timeout occurred (0020H)
IP address of the remote station whose
existence is to be verified.
(The input format is the same as that for the
parameter setup request.)