1 universal input – Despatch P1400+ Temperature Controller User Manual
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SECTION 14: APPENDIX 2 – SPECIFICATION
14.1 Universal Input
General Input Specifications
Input Sample Rate:
Four samples/second.
Digital Input Filter
time constant
0.0 (OFF), 0.5 to 100.0 seconds in 0.5 second increments.
Input Resolution:
14 bits approximately.
Always four times better than display resolution.
10V DC:
47K
Ω
20mA DC:
5
Ω
Input Impedance:
Other ranges:
Greater than 10M
Ω
resistive
Isolation:
Isolated from all outputs (except SSR driver). If single relay outputs are
connected to a hazardous voltage source, and the universal input is
connected to operator accessible circuits, supplementary insulation or
input grounding is required.
PV Offset:
Adjustable
±
input span.
PV Display:
Displays process variable up to 5% over and 5% under span.
Thermocouple
Thermocouple Ranges Available
Sensor
Type
Range Min
in
°°°°
C
Range Max
in
°°°°
C
Range Min
in
°°°°
F
Range Max
in
°°°°
F
Resolution
J (default)
-200
1200
-328
2192
1°
J
-128.8
537.7
-199.9
999.9
0.1°
T
-240
400
-400
752
1°
T
-128.8
400.0
-199.9
752.0
0.1°
K
-240
1373
-400
2503
1°
K
-128.8
537.7
-199.9
999.9
0.1°
L
0
762
32
1403
1°
L
0.0
537.7
32.0
999.9
0.1°
N
0
1399
32
2551
1°
B
100
1824
211
3315
1°
R
0
1759
32
3198
1°
S
0
1762
32
3204
1°
C
0
2320
32
4208
1°
PtRh20%:
PtRh40%
0
1850
32
3362
1°