Despatch Protocol 3 Controller - Manual (Page 56)

W ORKING WITH O PERATING M ODES Protocol 3 Controller Owner’s Manual
56 Version 1.2
Copyright © 2013 by Despatch Industries.
All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any
means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and
retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

If the display on the control read 200 °C and the actual temperature measured was 195°C

Enter the following settings for Two Point Calibration:
o Calibration Low Temp = 100, Calibration Low Offset = -1
o Calibration High Temp = 200, Calibration High Offset = -5
Return to the Main Menu by simultaneously pressing and .
5.6.3. Setting Up Remote Communication
Remote communication between the Protocol 3 controller and a PC running the Despatch
Protocol Manager software involves providing each controller with a unique address and
following the communication protocol procedures. Up to 32 separate controllers can be run from
a PC running the Despatch Protocol Manager software. See the Protocol Manager Instruction
Manual for the complete set-up procedure.
5.7. Automatic Tuning

Despatch does not recommend the use of Automatic Tuning. In
most oven applications, standard configuration has been
optimized.
Access Automatic Tuning through the Main Menu (Section 5.2.4). The Automatic
Tuning menu displays all the auto
‐tuning options provided in the unit. Table 17 provides
additional information of each option.
1. Simultaneously press and .
2. Navigate to Automatic Tuning using .
3. Press to Enter Automatic Tuning Mode Unlock Code.
4. Press to reach 0010 , the Mode Unlock Code.
5. Press to step through and accept all automatic tune options.
To manually tune the controller, refer to
Control Configuration in the Configuration Menu
( Section 5.6 ) .
Table 17. Automatic Tuning Options.
Menu Item
Description
Pre-Tune A “single ‐shot” routine that disengages when complete.
Self-Tune Continuous tuning routine that must be manually disengaged.