gefran 850 - Isolation Block Diagram 1650 - 1850

80209C_MHW_850-1650-1850_01-2020_ITA_pag. 279
9.5. Isolation block diagram 1650 - 1850
External +24 V
+24 V
+24 V
+5 V
3,3 V Auxiliary Input
+3,3 V
Auxiliary Input 2
SENSOR
INPUT
PV
AUXILIARY
INPUT 1
DIGITAL INPUT
DI1...DI5
DIGITAL INPUT
EDI1...
EDI8
DIGITAL
OUTPUT
EDO1... EDO8
TRANSMITTER
POWER
SUPPLY
CT1, CT2
INPUT
LCD +
CONTROLLER
BACK LIGHT
1650 4 keys
1850 6 keys
CONFIGURATION
PORT
COMMUNICATION
INTERFACE
OUT 1, 2, 3, 4
LOGIC OUTPUT (SSR drive)
DC OUTPUT
TRIAC, RELAY, MOS
POWER IN
(90...260 VAC / 18...30 VAC/VDC)
CPU
only for 1850
only for 1850
Main Processor ARM
FLASH memory
FRAM
FIELDBUS
PC INTERFACE
POWER
SUPPLY
Internal Temperature
RTC
SRAM
Modbus
TCP
FIELDBUS
OUT1 G (Master Modbus)
AUXILIARY
INPUT 2