Enabling Logic Function Block And Selecting The Type 9.4. Isolation Block Diagram 850 - gefran 850 Installation And Instruction Manual

9.4. Isolation block diagram 850
SENSOR
INPUT
PV
AUXILIARY
INPUT
CT1, CT2
INPUT
DIGITAL INPUT
DI1...DI3 or
TRANSMITTER
POWER
SUPPLY
LCD +
CONTROLLER
BACK LIGHT
4 keys
CPU
Main Processor ARM
FLASH memory
FRAM
Internal Temperature
RTC
SRAM
POWER IN
(90...260 VAC / 18...30 VAC/VDC)
Sensor input, CT Input, Configuration port
Transmitter power supply (VT1)
Auxiliary input (PV2), Transmitter power supply (VT2)
Potentiometer power supply (VP)
Fieldbus
communication interface
Ethernet
communication interface
Digital input, Logic output (SSR drive), DC output 1,
Analog DC output 1, DC output A1
MOS digital output
Relay output 1
Relay outputs 2, 3, 4
Functional isolation
Reinforced isolation
80209C_MHW_850-1650-1850_01-2020_ITA_pag. 278
CONFIGURATION
PORT
COMMUNICATION
INTERFACE
OUT 1, 2, 3, 4
Modbus
TCP
POWER
SUPPLY
Relay output 2
Relay or Triac output 3
PC INTERFACE
FIELDBUS
TRIAC, RELAY, MOS
DC OUTPUT
LOGIC OUTPUT (SSR drive)
OUT1 G (Master Modbus)
FIELDBUS
+24 V
+5 V
3,3 V Auxiliary Input
+3,3 V