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en | Installing
Figure 4.56: Location of the Wiegand interfaces for external devices
These interfaces are point-to-point connections, and each can support only a single reader
with a maximum cable length of 90 m (300 ft) for 24 AWG or 150 m (500 ft) for 22 AWG.
Readers are addressed according to their respective interface numbers.
Refer to Connecting Diagrams, page 102 for a complete wiring diagram of the Wiegand reader
interface .
Notice!
Reference UL Requirements for readers approved for UL installations.
4.13.1
Connecting different reader types
Connection schemes and reader wiring colors vary from type to type, and so may differ from
the 10-pole Wiegand to AMC connection shown in Connecting Diagrams, page 102.
Notice!
If your reader requires a voltage other than 12V or is the power consumption more than 200
mA then it will require an external power supply.
Notice!
The list below might become obsolete. For current reader types, please refer to the Bosch
Online-Catalogue.
Wiegand reader type W 1
This wiring diagram refers to the following readers from the BOSCH catalog:
2020-01 | V02 |
Installation manual
Access Modular Controller 2
Bosch Access Systems V.B.