Despatch PROTOCOL 3

Protocol 3
TM
User Guide E105, 313327, REV A
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Item
Description
20%:
40%
R
0 to 1759°C
32 to 3198°F
S
0 to 1762°C
32 to 3204°F
T
‐240 to 400°C
‐400 to 752°F *
Optional decimal place can be displayed up to 999.9°C/F
Thermocouple
Calibration:
±0.1% of full range, ±1LSD (±1°C for internal CJC if enabled).
Linearization better than better ±0.2°C (±0.05 typical) on ranges
marked * in the table above. Linearization for other ranges is
better than ±0.5°C. BS4937, NBS125 & IEC584.
Supported RTD Types
& Ranges:
Type
Range °C
Range °F
3‐Wire
PT100
‐199 to 800°C
‐328 to 1472°F
NI120
‐80 to 240°C
‐112 to 464°F
Optional decimal place can be displayed up to 999.9°C/F
RTD Calibration:
0.1% of full range, ±1LSD
Linearization:
Linearization better than ±0.2°C (±0.05 typical).
PT100 input to BS1904 & DIN43760 (0.00385Ω/Ω/°C).
RTD Excitation:
Sensor current 150μA ±10%
Lead Resistance:
<0.5% of span error for max 50Ωper lead, balanced
Supported Linear
Types & Ranges:
Type
Range
Offset Range
mA DC
0 to 20mA DC
4 to 20mA DC
mV DC
0 to 50mV DC
10 to 50mV DC
V DC
0 to 5V DC
1 to 5V DC
V DC
0 to 10V DC
2 to 10V DC
Scalable from ‐9999 to 10000. Decimal point selectable from 0 to
3 places, but limited to 5 display digits (e.g. 9999.9)
Maximum Overload:
1A on mA input terminals, 30V on voltage input terminals
DC Calibration:
±0.1% of full range, ±1LSD
DC Input Multi‐Point:
Linearization:
Up to 15 scaling values can be defined anywhere between 0.1 and
100% of input