Owner manual

WORKING WITH OPERATING MODES Protocol 3 Controller Owner’s Manual

56 Version 1.2

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 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.