62 en | Installing Access Modular Controller 2
2020-01 | V02 | Installation manual Bosch Access Systems V.B.
4.11.1 Host settings
DIL switches are used to configure the host settings. The first four DIL switches for address
selection define the RS-485 address of the AMC2 in a RS-485 bus system. Switch 5 selects
one of the two different protocols, SDEB and BPA (according to DIN6619).
Switch 6 sets the connection to the host system to either RS-232 or RS-485.
Notice!
If using an Ethernet connection, set switch 1 to ON (= factory setting).
If using an RS-232 connection, set the address by configuring it in the Access Control System.
This is a point-to-point connection that is usually configured as address 1, so set switch 1 to
ON.
Figure4.45: Location of the selector for host settings
Address
DIL Switches
1 2 3 4
None OFF OFF OFF OFF
1 ON OFF OFF OFF
2 OFF ON OFF OFF
3 ON ON OFF OFF
4 OFF OFF ON OFF
5 ON OFF ON OFF
6 OFF ON ON OFF
7 ON ON ON OFF
8 OFF OFF OFF ON
Tab.4.6: Setting the address via the DIL switch
Instructions for DIL switch 5
Set SDEB (= DIL switch 5 to ON) in the following cases
– Ethernet host connection
– RS-485 host connection, provided only one AMC2 is connected on the bus
Set BPA (= DIL switch 5 to OFF) in the case of an
– RS-485 host connection with more than one and maximum eight AMC2s per bus
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