Device Description HG G-31500-A | English, Revision 02 | Date: 10.06.2021
9
Hardware – Chapter 3
3.4 LED
The green LED indicates operating states:
3.5 Pin Assignments ST 1 & ST 2
The pin assignments are shown on the identification plate on the front panel. The
available pins have the following functions.
3.5.1 ST 1 Loudspeaker
3.5.2 ST 2 Supply & Interfaces
Table 2
LED: Operating states
LED
Meaning
Off
no voltage supply
Flashes quickly (T = 0,2 s)
Initialization phase
Lit up continuously
idle mode
Dims slowly (T = 1,5 s)
Playback active
Flashes slowly (T = 1,5 s)
Standby active
Flashes very quickly (T < 0,1 s)
Firmware is programmed, see section 5.3 on
page 16
Table 3
Pin assignment ST 1
Pin
Loudspeaker
1
SP L
Loudspeaker left
2
GND
Loudspeaker left
3
SP R
Loudspeaker right
4
GND
Loudspeaker right
Table 4
Pin assignment ST 2 (part 1 of 2)
Pin
Function
1
+UB
Supply
2
GND
Ground
3
CAN-
CAN bus (telegram structure s. section 4.4 on page 13)
4
GND
5
CAN+
6
In 1
Digital inputs (PLC)
7
In 2
8
In 3
9
In 4
10
In 5
11
Mode
Mono / Stereo (s. section 3.8 on page 10)
12
GND