Connections related to Doorset
6 Connections and LEDs
6.1 Connections related to Doorset
It is recommended that you wear a grounding strap while carrying out this
procedure.
1. Connect OSDP readers to the appropriate READER port of MFI. Up to 8
OSDP readers can be connected.
Each reader must be wired correctly. Refer Section 6.2 OSDP Reader wiring.
The total resistance for each reader cable must not exceed 16.8 Ohms.
2. If required, connect the Request to Exit (REX) switch (e.g. door opener
button) to the appropriate REX input on the MFI.
3. If required, connect each door contact (door monitor) to the appropriate
D/C input port on the MFI. For example, connect the contact for Door 1.
Resistors must be connected to the wiring for each input device (this applies
to all inputs), if they are to be monitored. Refer Section 6.3 Wiring of
monitored input.
The total cable run resistance must not exceed 100 Ohms.
4. Connect each door lock to the appropriate RELAY OUT port on the MFI.
Access doors can only be connected to output relays that are controlled by
readers. (RELAY number 1-4)
5. For example, connect the lock for door 1 to the “RELAY1 OUT” connection
on the MFI. Ensure that the power supply used to drive the lock is
sufficiently rated.
6. Connect any auxiliary output devices to the AUX OUT ports (RELAY
number 5-8) on the MFI.
7. Connect any load device to the Open Collector output if required.
8. Connect the FLN wires (from the ACC-AP) to the FLN RS485 (COMM 2A
and 2B) port of MFI.
9. Connect the Power Supply Unit (PSU) to the V IN port. Ensure the polarity
of the connection is made correctly.
10. Check all jumpers.
11. Check all connections thoroughly, including the polarity of each connection.
Once you have verified all connections power can be applied to the MFI.
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