38 en | Installing
AMC2 Modular
Controller
2018-09 | AMC2-4W_UL | Bosch Access Systems GmbH
Figure4.12: Wet mode and dry mode of the AMC2 relay outputs
Notice!
Risk of damage to equipment
To prevent damage to the relays note the following
specifications.
– the maximum switching current is 1.25A
– the maximum switching voltage is 30Vdc
– only ohm resistive load can be connected to the relay
– inductive loads have to be short circuited using recovery
diodes, see image below. These diodes (1N4004) are
supplied with every AMC2-4W package.
– If you need higher voltage for special applications you have
to connect external relays to the outputs. Depending on the
power supply mode, it is recommended to use the
following Wiegand relay types:
– Flare move 12DC1W10A
– Flare move 24DC1W16A
If using locally manufactured products, please ensure that the
specifications of the product are identical with the those listed
above.
A complete connection diagram of the relay output connectors
is shown in Connecting Diagrams, page 63.
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