
UNICON
Specifications
Parameter
Supply voltage
Supply current
Input impedance (volt)
Input impedance (mA)
Volt drop (mA input)
Input resolution
Overall accuracy
Input accuracy
Temperature coefficient
Load resistance error
Time constant (10-90%)
Operating ambient
Relative humidity
Isolation voltage
Surge voltage
Notes
Min
16V
Typ
24V
100mA
1M
10
0.2V
0.001%
±0.04%
±0.005%
Max
32V
200mA
Comments
11
0.22V
At 20mA input
Dependent on input type
Input to analogue output
Input to RS232 comms output
±0.06%
50ppm/C
±1ppm/
±0.1ppm/
65ms
0 < R
L
< 1k
(mA output)
T/C 250ms. See note
-15C
0%
500V
60C
90%
1kV option by special request
Transient of 10kV/μS
2.5kV for 50μS
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur.
Device is protected against reverse polarity connection.
Accuracy figures based on an ambient temperature of 20C.
The time constant is dependent on which processing options have been selected.
Dimensions and connections
Typical application
1 2 3
11
10
12
4 5 6
7 8 9
Connection details
1. Power input -ve
2. Power input +ve
7. Input ground
8. RTD 3rd wire or T/C input +ve
9. RTD input +ve
10. Voltage input +ve
11. mA input +ve
12. 24V trans supply
3. mA sink output +ve
4. Output grouind
5. Voltage O/p +ve
6. mA source O/p +ve
13. Relay 1 common
14. Relay 1
15. Relay 2 common
16. Relay 2
L
L
L
L
L
L
L
104.5mm
98mm
7
2
Digital comms
Type K
Thermocouple
+24Vdc
PLC
Isolated 4-20mA sink
High temp alarm
Sensor fail alarm
+24Vdc
AND ORDERING
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