Rs-485 For Extension Modules - Bosch APC‑AMC2‑4WCF Installation Manual

Access Modular Controller 2
–
Notice!
Changing the type of the host connection requires a reset of the AMC2 - see Resetting the
Software, page 38.
4.12

RS-485 for extension modules

The RS-485 Extension Module Bus expands the AMC2-4W with additional Wiegand interface
and/or I/O modules AMC2-4WE (AMC2-8IOE, AMC2-16IE, AMC2-16IOE
Figure 4.15: Location of the RS-485 extension module bus
Up to three expansion modules can be connected to provide additional in- and outputs, for
example, for elevator control.
You can find further information about the extension boards in their installation manuals.
A complete connection diagram of the RS-485 extension module bus is shown in Connecting
Diagrams, page 43.
Figure 4.16: Connection of an extension module to an AMC2
Bosch Security Systems B.V.
RS-485 host connection with more than one and maximum eight AMC2s per bus
Installation manual
Installing | en 27
2020-01 | V02 |