Panasonic WJ-HD100 Mode Switch Setting, Termination, Unit Address & Initialize

■Mode Switch Setting

Unit Address/Initializing

Termination

Alarm Out Polarity

ON

1 2 3 4 5 6

MODE

The 6-bit DIP switch on the rear panel is used as follows.

#1 through #4: For setting the unit address or initializ- ing the setup data

#5: Termination for communication lines

#6: For setting the polarity of the alarm output signal

●Termination

Set DIP switch #5 to ON or OFF position depending on the type of connection and the unit's position within the daisy chain.

Termination Switch

ON

1 2 3 4 5 6

MODE

Daisy Chain Connection: Set the termination to ON for the units at both ends of the RS-485 chain (PS• Data), and to OFF for units in the middle.

System Component

Termination ON

●Unit Address & Initialize

Termination OFF

The unit address can be set either on the setup menu or by setting this DIP switch.

	1
	2	3
4	5
		6
7
8	9
0

		1
360		2	3
	4	5
			6
	7
	8	9
	0

		1
360		2	3
	4	5
			6
	7
	8	9
	0

360

ON							Unit address is specified in
							the setup window.
	1	2	3	4	5	6
			MODE
ON							Unit address 1
	1	2	3	4	5	6
			MODE
ON							Unit address 2
	1	2	3	4	5	6
			MODE
ON							Unit address 3
	1	2	3	4	5	6
			MODE
ON							All disk contents and setup
							data are initialized.
	1	2	3	4	5	6

MODE

Termination	Termination	Termination
OFF	OFF	ON

Homerun Connection: For a one-to-one connection, set the termination to ON.

●Alarm Output Polarity

The DIP switch #6 specifies the polarity of ALARM OUT and ALARM RECOVER output signals. Select [active-low] or [active-high] depending on the type of the connected device. See the manual included in the connected device for acceptable signal polarity. The default setting is ON [active-high].

Polarity switch

ON

Note: Do not use switch combinations other than shown above.	1	2	3	4	5	6
			MODE
	Switch #6 vs Polarity (when active)
				ON (active-high)			OFF (active-low)
	ALARM OUT			+12 V DC			Open-collector low
	ALARM RECOVER OUT			+5 V DC			Open-collector low

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