Siemens SIMATIC Box PC 820 - Battery Connection, X24; Internal Keyboard; Mouse; Inverter Connection for FI45, X44

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Box PC 820 / PC FI45 V2, Manual
A5E00051531-03
2.8.3 Battery Connection, X24
Pin No. Description
1 +
2 –
2.8.4 Internal Keyboard / Mouse / Inverter Connection for FI45, X44
Pin No. Signal Description
1 VCC +5V (with multifuse)
2 GND Ground
3 KBD_CLK Keyboard clock line (front connection)
4 GND Ground
5 KBD_DATA Keyboard data line (front connection)
6 GND Ground
7 VCC +5V (with multifuse)
8 n.c. Coding
9 MAUS_DATA PS/2 mouse data line (front)
10 MAUS_CLK PS/2 mouse clock line (front)
11 V
in
12V power supply for inverter (with multifuse)
12 ON/OFF On/Off signal (TTL), ‘1’ = ON, ‘0’ = OFF
13 BL_CTRL1 Backlight brightness 1
14 BL_CTRL2 Backlight brightness 2
15 BL_CTRL3 Backlight brightness 3
16 GND Ground
17 EXTRES_N External Reset
18 MPI MPI/DP Operation indicator
19 ETH_LED Ethernet operation indicator
20 TEMP_R Temperature monitoring LED red
21 TEMP_G Temperature monitoring LED green
22 WDT_RED Watchdog LED red
23 WDT_GRN Watchdog LED green
24 DTAST_DAT Data signal for direct key module
25 DTAST_LATCH Latch signal for direct key module
26 DTAST_CLCK Clock signal for direct key module
27 KCLK_EXT Keyboard clock line (Box connection)
Motherboard
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