Hitachi MICRO-EHV+ Applications Manual page 47

(8) Thermocouple expansion unit
[ EH-D6ETC (DC power type) ]
Current output
NC NC
CJ- CJ+
0V NC
24V
Power supply 24VDC
Voltage output
24V
[ EH-D4ETC (DC power type) ]
Power supply
24VDC
Ch1 Ch2 Ch3 Ch4
IN1+ IN2+ IN3+
IN1- IN2- IN3- IN4-
NC IO6 OC7
NC OC6 VO6
Ch6 Ch7
0V NC NC
NC OC6
-
Ch1
NC NC
CJ- CJ+ IN1-
0V NC
24V NC
Thermocouple Sensor
-200 to +1700 C
Cold
junction
IN4+
VO7
IO7
Output current
0 to 20mA
IO6 OC7 VO7
VO6 IO7
+ - +
Ch6 Ch7
Ch2 Ch3 Ch4
IN1+ IN2+ IN3+
IN2- IN3- IN4-
NC NC NC
NC NC NC
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Chapter 2 Specifications
Output voltage
0 to +10V
Thermocouple Sensor
-200 to +1700 C
Cold
junction
IN4+
NC