Ethernet I/O Modules
C.
Why is the Host computer unable to ping or search for the
PETL/tET/tPET series module?
The Host computer can only establish a communication with a module through specific ports.
Confirm with your network administrator that access to UDP Port 7, Port 57188 and Port 54321 is not
being denied by another network device.
The following provides more detailed information related to TCP/UDP ports:
TCP Port:
Port Number
Description
80
HTTP (HyperText Transport Protocol)
502
Modbus Data Port
UDP Port:
Port Number
Description
7
Echo (Ping)
57188
UDP Search Request
54321
UDP Search Response
ICP DAS CO., LTD.
PETL/tET/tPET DIO Series User Manual, Ver. 2.1, Sep. 2014, Page: 109
ГК
Атлант
Инжиниринг
–
официальный
представитель
в
РФ
и
СНГ
+7(495)109-02-08 [email protected] www.bbrc.ru