Expert Electronics SunSDR2 DX, Руководство пользователя

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23
SunSDR2 DX User Manual
© 2020 Expert Electronics
CONNECTORS PIN-OUT
4 RB RS-485 (-) Line
Input/Outp
ut
5 I2
Connection of buttoned detector. Connect to ground. In
reserve.
Input
6 CP Contact of protected diode --
7 X3 Programmable key with open collector Output
8 X6 Programmable key with open collector Output
9 RA RS-485 (+) Line
Input/Outp
ut
10 I1
Connection of buttoned detector. Connect to ground. In
reserve.
Input
11 X2 Programmable key with open collector Output
12 X5 Programmable key with open collector Output
13 X8(РТТ)
Programmable key with open collector for control of
external PAs PTT
Output
14 +13.8V
Pin to supply external devices, nominal current 1A
There is a 1A fuse integrated in the line - 2A fused
Output
15 GND Ground --
Note:
·
When an electronic key with open collector triggers, it 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 allowed current via elect ronic keys is 500 mA!
i
While connect ing an induct ive load (relay, solenoids 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!