DIP switch

The BC9050 and BC9120/BC9020 are equipped with DIP switches. These DIP switches have two functions.

Addressing mode or setting the IP address
Configuration mode

Mode one is enabled if Bus Terminals are connected to the K-bus and the Bus Terminal Controller is switched on. Mode two is activated if only the end terminal is connected when the Bus Terminals Controller is switched on.

Mode 1: Addressing mode

DIP switches of the BC9050

Right switch position: ON, switch in left position: OFF.

DIP switches 1 to 8 edit the last byte of the IP address (the image shows the red DIP switches).
DIP switches 1 and 2 select the IP address mode (the image shows the blue DIP switches).

DIP switch 1: — DIP switches of the BC9050

DIP1	DIP2	Meaning
off	off	172.16.21.xxx (xxx corresponds to DIP switch 1-8), subnet mask 255.255.0.0, default gateway 0.0.0.0
on	off	BootP (DIP 1-8 all off), BootP & Safe (DIP 1-8 all on)
off	on	DHCP
on	on	Configuration via the TwinCAT System Manager

DIP switches of the BC9020 and BC9120

Right switch position: OFF, switch in left position: ON.

DIP switches 1 to 8 edit the last byte of the IP address.
DIP switches 9 to 10 select the IP address mode.

DIP switch 2: — DIP switches of the BC9020 and BC9120

DIP9	DIP10	Meaning
off	off	BC9020 172.16.22.xxx (xxx corresponds to DIP switches 1-8), subnet mask 255.255.0.0, default gateway 0.0.0.0 BC9120 172.16.23.xxx (xxx corresponds to DIP switches 1-8), subnet mask 255.255.0.0, default gateway 0.0.0.0
on	off	BootP (DIP 1-8 all off), BootP & Safe (DIP 1-8 all on)
off	on	DHCP
on	on	Configuration via the TwinCAT System Manager

Mode 2: Configuration mode

In the de-energized Bus Terminal Controller only connect the KL9010 end terminal. Set the DIP switch to the required function, then switch on the Bus Terminal Controller. The function is active as soon as the Controller has booted. Continue as usual. In the BC9020 and BC9120 DIP 9 and 10 must be off, in the BC9050 DIP switches 1 and 2 (2-pin DIP switch) must also be off.

Setting		Meaning
BC9050	BC9020 BC9120	Meaning
99	99	Manufacturer’s settings
98	98	Delete boot project
97	97	Delete TwinCAT Config

99 DIP switches

DIP 1
ON

DIP 2
ON

DIP 3
OFF

DIP 4
OFF

DIP 5
OFF

DIP 6
ON

DIP 7
ON

DIP 8
OFF

98 DIP switches

DIP 1
OFF

DIP 2
ON

DIP 3
OFF

DIP 4
OFF

DIP 5
OFF

DIP 6
ON

DIP 7
ON

DIP 8
OFF

97 DIP switches

DIP 1
ON

DIP 2
OFF

DIP 3
OFF

DIP 4
OFF

DIP 5
OFF

DIP 6
ON

DIP 7
ON

DIP 8
OFF