page2
T11
T12
T13
T14
T15
T16
T17
T18
T19
GND
24V
GND
GND
T10
K4
K5
K6
K7
K8
K9
TX
RX
Vcc
GND
K2
K1
K0
GND
K3
T1
T2
T3
T4
T5
T6
T7
T8
T9
T0
RX
TX
Vcc
GND
NC
RST
SCK
MISO
Vcc
GND
GND
GND
GND
MOSI
LED8
LED7
LED6
LED5
LED4
LED3
LED2
LED1
LED0
LED9
Vcc RX/TX source select
Vcc ISP10PIN source select
ISP10PIN
UART
UART
Relay high side outputs
Key 10-19 active high
Supply
Vcc +24V source select
Key 0-9 active high
LED10, Vcc
ATMEGA644PA
UDN2981
R29-R20
C1
F1
C5
C7 C8
C6
LM1086-5.0
R30
R31
R32
D1
D2
R39
Q1
C4
R0-R19
R20-R29
R30
R31
R32
R33, R34
R35, R36
R37, R38
R39
R40, R41
C1
C2, C3
C4
C5
C6
C7, C8
D1, D2
T1, T2
T3, T4
LED0-LED9
LED10
F1
Q1
LED9
LED9
4,7 kΩ
6,8 kOhm
Stern 5+1, 1 kΩ
Stern 9+1, 1 kΩ
Stern 6+1, 1 kΩ
4,7 kΩ
2,2 kΩ
10 kΩ
1 kΩ
150 Ω
100 nF
100 nF
100 nF
100 nF
10 µF
22 pF
1N 4148
BC 327-40
BC 337-40
Gelb, 1,9 V, 3,25 mA
Orange, 1,7 V, 3,3 mA
500 mA
7,3728 Mhz
Taster Vorwiderstand
Taster-LED Vorwiderstand
Taster Pull-Down 16-20
Taster Pull-Down 21-29
Taster Pull-Down 03-08
Relais-Treiber Inverterbasis
Relais-Treiber Schalterbasis
Relais-Treiber Pull-Up
Vorwiderstand, Vcc-LED
RX/TX-Kurzschlussschutz
+24V Stabilisierung
Treiber Stabilisierung
Reset Stabilisierung
Vcc Stabilisierung
Vcc Stabilisierung
Quarzkondensator
Freilaufdiode
Relais-Treiber Lastschalter
Relais-Treiber Inverter
Taster LED
Vcc-LED
+24V Überlastschutz
Mikrocontroller-Takt
ATMEGA644PA
PA0 PCINT0
PA1 PCINT1
PA2 PCINT2
PA3 PCINT3
PA4 PCINT4
PA5 PCINT5
PA6 PCINT6
PA7 PCINT7
AREF
GND
AVCC
PC7 PCINT23
PC6 PCINT22
PC5 PCINT21
PC4 PCINT20
PC3 PCINT19
PC2 PCINT18
PC1 PCINT17
PC0 PCINT16
PD7 PCINT31
PD6 PCINT30
PD5 PCINT29
PD4 PCINT28
PD3 PCINT27
PD2 PCINT26
PD1 PCINT25
PD0 PCINT24
XTAL1
XTAL2
GND
VCC
RESET
PB7 PCINT15
PB6 PCINT14
PB5 PCINT13
PB4 PCINT12
PB3 PCINT11
PB2 PCINT10
PB1 PCINT9
PB0 PCINT8
R35
R37
R33
T3
T1
D1
K8
PB0
R36
R38
R34
T4
D2
PB1
T2
K9
High side driver K8
High side driver K9
+24 V
GND
+24 V
GND
Vcc 5 V
LM1086-5.0
C1
F1
C5
C6
LED10
R39
Power supply
Vcc 5 V
GND
XTAL1
XTAL2
C7
Q1
C8
VCC
AVCC
RESET
RX
TX
RX ext
TX ext
R41
R40
Controller integration
C4
+24 V
GND
T0-T9
Keys 0-9
R20-R29
R0-R9
R30, R32
LED0-LED9
PB2-PB7, PD2-PD5
+24 V
GND
T10-T19
Keys 10-19
R10-R19
R30, R31
PD6-PD7, PC0-PC7
R9-R6
R5-R0
T4
T3
R34
R33
R41
R40
T1
T2
R36
R35
GND
R38
R37
R10-R19
ISP isolate
C3
C2
C3
C2
+24 V
Taster
Relais
Vcc +5 V
GND