Despatch PROTOCOL 3 User Manual

Protocol 3
TM
User Guide E105, 313327, REV A
©2021 ITW EAE. All rights reserved. Despatch is a registered trademark in the U.S. and other
countries. No part of the contents of this manual may be reproduced, copied or transmitted in any form
or by any means without the written permission from ITW EAE, unless for purchaser's personal use.
11 of 82
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

Despatch PROTOCOL 3 Specifications

General

Brand	Despatch
Model	PROTOCOL 3
Category	Controller
Language	English