RS485 TO ETH ( B)
Whether the function is normal, once the disconnection is detected, the TCP connection can still
be automatically re- established.
8 . 2 . 2 . REALCOM PROTOCOL
As described in 8.1.2 Realcom protocol, REALCOM protocol can send a 1-byte data of 00
every keep-alive timing time. This data is the heartbeat packet of realcom protocol.
8 . 2 . 3 . CUSTOM HEARTBEAT PACKAGE
First, fill in the registration package according to the method of 8.1.3 customizing the
registration package. Then add the heartbeat packet as follows: Click the "More Advanced
Settings" button in the device settings, write the hexadecimal heartbeat packet in the second
line of the multi-destination IP and port, and change the option on the right to "Param. Dest".
Figure 35 Customized registration package
Note that the sum of the registration packet and the heartbeat packet should be less than
33 bytes. The first line is actually the registration package.
9 .
REMOTE DEVICE MANAGEMENT
The so- called remote device management refers to the ability to maintain and manage the
device through Vircom software, including restarting the device, modifying parameters, and
upgrading firmware. This function is suitable for users who use Vircom for device management.
For Vircom software, as long as the device can be found in the device list, it can be managed
remotely. The remote management of equipment is divided into the following situations:
1. Automatic search : The device and the computer are on the same switch. At this time, no
matter whether they are in the same network segment or not, the Vircom search method on the
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