USER MANUAL User guide

Publication 2706-6.3
Connecting to a DL40 Master
One or multiple DL40 Plus Slave displays may be connected to a
single DL40 Plus master display using the RS-485 port. The RS-485
network supports multi-drop communications with up to 126 slave
displays. Use Belden 9842 cable at a maximum length of 4,000 ft
(1219 meters). Refer to the following illustration.
CH B
CH A
COM
Shield
COM
CH A
CH B
CH B
CH A
COM
Shield
To N ext No de
Belden 9842 Cable
Recommended
RS-485
RS-485