Hitachi MICRO-EHV+ - Page 17

Chapter 2 Specifications
2 – 5
Product
Type
Specification
I/O type
Thermocouple
Expansion
unit
EH-D6ETC
24 V DC, Thermocouple input×4, Analog output×2
AIO
EH-D4ETC
24 V DC, Thermocouple input×4
AIO
Option
board
OBV-NES
RS-485 communication
OptionBoard
OBV-485A
RS-485 communication with Analog input 2 ch. (10-bit)
OptionBoard
OBV-485TAI
RS-485 communication with Analog input 2 ch. (10-bit)
OptionBoard
OBV-485TAO
RS-485 communication with Analog output 2 ch. (10-bit)
OptionBoard
OBV-AIO
Analog input 2 ch. (10-bit) , Analog output 2 ch. (10-bit)
OptionBoard
OBV-AIG
Isolated Analog input 4 ch. (14-bit)
OptionBoard OBV-AIG
OBV-AIOG
Isolated Analog input 2 ch. (14-bit), Isolated Analog output 2 ch. (12-bit)
OptionBoard OBV-AIOG
OBV-RTD
Isolated RTD input 2 or 4 ch. (-200 to 850 C)
OptionBoard OBV-RTD
Expansion
cable
EH-MCB10
Expansion cable (1m)
EH-MCB05
Expansion cable (0.5m)
EH-MCB01
Expansion cable (0.1m)
Battery
MV-BAT
Lithium battery for retentive data and RTC