Valmet SMART-PULP - Page 31

BCs160VA
Nov. 15, 1997
SMART-PULP Smart Consistency Transmitter
31
Figure 3.1b SMART-PULP Electronics
MOTHERBOARD
TERMINAL BOARD POWER SUPPLY
DIGITAL INPUTS
4-20 mA RS485
OVERVOLTAGE
PROTECTION
POWER
SUPPLY
3-W RS485
PROCESSOR BOARD
PROCESSING
UNIT
- arithmetics
- serial
communication
- output control
EEPROM
Processor data
HART MODEM
HART signal
conditioner
OPERATOR UNIT
SENSOR BOARD
4-20 mA
output
EEPROM
sensor data
ADC
DAC
FORCE TRANSDUCER,
force measurement
Force transducer temperature
measurement
Process temperature
measurement
Electronics temperature
measurement
ESC
MODE
ENTER
COMM COMM
TEST
+
TEST
-