Panasonic WJHD316 Operations Instructions download pdf (Page 80)

■ Mode Switch

RS485 interface is used to communicate between this unit and the PS·Data compatible system device. In this case, it is neces-

sary to terminate both devices on both ends of the RS485 connection.

The settings of the mode switch will be different depending on whether this unit is used as a receiver or a controller.

When an RS 485 camera is connected to this unit, it is necessary to terminate both devices on both ends of the connection.

• When connecting this unit with the system controller and

this is installed at the end of the PS·Data connection

PS·Data termination switch 1: ON

• When connecting a system device and this unit is installed

at the end of the PS·Data connection

PS·Data terminating switch 2: ON

• When connecting RS485 cameras

Set the termination switch of the connected RS485 (CAMERA)

port to ON.

Connected to the RS485 (CAMERA) port 1: Set the RS485 (1)

termination switch to ON.

Connected to the RS485 (CAMERA) port 2: Set the RS485 (2)

termination switch to ON.

•For 2-wire communication

Connected to the RS485 (CAMERA) port 1: Set the switch No.2 and No.3 to ON.

Connected to the RS485 (CAMERA) port 2: Set the switch No.5 and No.6 to ON.

•For 4-wire communication

Connected to the RS485 (CAMERA) port 1: Set the switch No.2 and No.3 to OFF.

Connected to the RS485 (CAMERA) port 2: Set the switch No.5 and No.6 to OFF.

■ RS485 Port

67812345

RS485 (1) terminating switch

RS485 (1) 2/4-wire changeover

RS485 (2) terminating switch

RS485 (2) 2/4-wire changeover

PS•Data terminating switch 1

PS•Data terminating switch 2

RBRATBTA

DATA

Output Input

Internal block diagram

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 163 164

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Panasonic WJHD316 Operations Instructions Page 80