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MB1 User Manual
© 2016 Expert Electronics
CONNECTIONS
Note:
(
Trigger of the electronic key with open collector, leads to key's ground connection. Voltage
drop equals 0.7V.
(
RS-485 interface is reserved.
(
Logic inputs of the buttoned detectors are reserved.
Warning!
i
Maximum current allowed via elect ronic keys is 450 mA!
i
While connect ing induct ive load (relay, solenoids, f ans et c.) t o t he X1-X8 keys,
it 's import ant t o connect t he prot ect ive diode in parallel t o t he load!
2.6.5
PA PTT Outputs
Central contacts of the RCA connectors connects to the electronic keys with open collector.
Cases of the connectors are connected to the transceivers case.
Note:
(
Trigger of the electronic key with open collector, leads to key's ground connection. Voltage
drop equals 0.7V.
Warning!
i
Maximum current allowed via elect ronic keys is 150 mA!
i
While connect ing 1-4 induct ive loads (relay, solenoids, f ans et c.) t o t he elect ronic
keys, it 's import ant t o connect t he prot ect ive diode in parallel t o t he load!
i
I n MB1 t ransceivers released af t er 15.05.2016 used relays inst ead of elect ronic
keys.
Relays cont act s are opened.
Maximum current allowed via relay 2A.
Содержание MB1
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