651
9
9 Communication 9.8.1 Hardware Interface and IP Settings
Emergency
error code
Description
8150 CAN-ID impulse
8200 Protocol error
8210 Incorrect PDO length
8220 Excessive PDO length
8240 Unidentiable sync data length
8250 RPDO timeout
9000 External error
F000 Extra function error
FF00 Special device error
9.8 Ethernet Communication
The main H3U module has Ethernet communication interfaces, with support for adaptive 10 Mbps/100 Mbps rate
and Modbus TCP.
An H3U standard model supports 16 connections (connections sharing the same IP address and port number are
regarded as one connection; an H3U-PM motion control model supports eight connections). A master or slave
H3U PLC can exchange data with a maximum of 16 stations (an H3U-PM motion control model can exchange
data with a maximum of eight stations). A station can serve as a master station and a slave station at a time.
Sent and received Ethernet frames are processed in each user program scan cycle, so the read-write speed is
affected by the user program scan cycle.
9.8.1 Hardware Interface and IP Settings
H3U
-3232MT/R and
H3U
-0808PMRTA models differ from the
H3U
-1616MT/R-XP model in Ethernet
communication interface design, as shown in the following gure.
Rotary switch
DIP switch
DIP switch for Ethernet IP address
configuration (hexadecimal): The
weighted value of DIP switch 0 is 1,
and the weighted value of DIP
switch 1 is 16. For example, if
switch 1 is turned to 5, 0 to 5, the
code is H55, and 5 x 16 + 5 = 85 in
decimal format.
H -0808PMRTA
ETH
1
RUN
STOP
COM0
0
Baud Station
12345678
ON
3U
1
RUN
STOP
0
Baud Station
12345678
ON
Diagram of
H3U
-3232MT/R and
H3U
-0808PMRTA Ethernet communication interfaces
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