Shanghai ZLAN Information Technology Co., Ltd Tel: +86-17321037177 http://www.zlmcu.com
10
Figure 5 Port Diagram 2
7.
Reset switch: to “on” state and keep more than 1s, then back to “off”, can reset the
device IP as 192.168.1.254.
8. Protect switch: for subsequent extension.
9. RS232: RS232 use high-performance RS232 chip with strong compatibility. With
hardware flow control.
10.
PE grounding: if the two “ear” of the shell cannot effectively connect to the metal
shell (such as using guide rail to install accessories), please connect the copper
wire to this PE node terminal, after clamping fix the other end to grounding shell.
PE grounding can effectively guide current in the case of lightning, protect
products from damaged.
5. 485 Character
ZLAN5243I meet the RS485 standard, each ZLAN5143I can be with 256 terminal 485
devices. The maximum communication distance is 1200 meter, the resistance of 485
terminal is 120 ohms, usually must use terminal resistance when wiring over 300m.
Pay attention to the wiring, 485+ and 485- must be a twisted-pair, in order to reduce
signal interference.
6. Usage
About products software installation, parameters configuration and communication
methods, please refer to the file
《
Networking Product Operating Guide
》
:
http://www.zlmcu.com/download/serial_server_user_manual.pdf.
