Rs485 Setting - Panasonic WV-CPR460 Operating Instructions Manual

RS485 Setting

Follow the procedures as below.
1. Slide the panel to the left until it locks.
2. Set RS485 Termination Switch to LINE TERM for
the furthermost camera from the RS232C/RS485
converter and Hi-Z for the other camera.
Initial factory setting is LINE TERM.
RS485 Termination Switch (BP 1)
LINE TERM
Switch
Position
Hi-Z
3. Select protocol by sliding triple Half-Duplex/Full
Duplex Selection Switches simultaneously.
Initial factory settings are 4-line.
BP 2
Right
Switch
Position
Left
BP1
BP2
BP3
BP4
Notes:
• BP stands for Bit Position.
• Daisy chain connection is not available for full
duplex.
Function
Termination ON
Hi-Z
BP 3 BP 4 Function
Right Right Full duplex (4-line)
Left Left Half duplex (2-line)
RS485 Terminal
Control data is transmitted and received to and from
other peripherals.
Notes:
• Shielded, two twisted pairs cable
• Low impedance
• Wire gauge
(0.33 mm )
2
Internal Diagram
<Full duplex>
Data Transmission
Data Reception
<Half duplex>
Data Transmission
Data Reception
-11-
size is thicker than AWG#22
T (B)
T (A)
R (B)
R (A)
GND
T (B)
T (A)
R (B)
R (A)
GND