Auber Instruments SYL-5342P-S Kullanım Kılavuzu - Sayfa 10

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AUBER INSTRUMENTS

Steps:

Step 1: r01 = 2000, t01 = 0, C01 = 100. Initial step

Step 2: r02 = 30, t02 = 60, C02 = 400. Ramp up from 100° C to 400° C in 30

minutes (ramp speed is (C02 - C01) / r02 = 10° C /minute), then maintain at

400° C for 60 minutes.

Step 3: r03 = 120, t03 = 60, C03 = 160. Ramp down from 400° C to 160° C in

120 minutes (ramp speed is (C03 – C02) / r03 = -2° C /minute), then maintain at

160° C for 60 minutes.

Step 4: r04 = 0, t04= 0, C04 = 0. End of the program

Parameters:

SSb = 5. Safety start band is set to 5 degree.

LOOP = 1. Program automatically looping is enabled.

ALP = 1. Alarm 1 is set to absolute high alarm.

AL1 = 420° C. Alarm 1 will be activated when reading temperature is over 420° C

AL2 = 10. Program ending alarm is set to 10s. Once all the steps have been

executed, alarm 2 will be activated for 10s.

T = 20. Output cycle time set to 20s.

Note: When the program jumps back to step 1, the oven temperature is still at

160° C, the program will pause until the temperature drops within the deviation

alarm range of the new set point. As the deviation high alarm is set to 5° C, the

program will resume (from the beginning) as soon as the temperature drops

below SV + SSb = 105° C.

The temperature control block is shown below.

AL1 ON

AL1 OFF

Temp

(° C)

AL2 OFF

2. Soak

400

3. Cool down

1. Ramp

160

100

Figure 12. Temperature profile and relay AL1 & AL2 actions in the example

program.

8.3. Example 3: powder coating oven

A powder coating oven needs to heat up to 375° F at its maximum speed. Then

hold the temperature for 20 minutes. After that, pull in the AL2 relay for 2 minutes.

If the temperature is higher than 450° F, trigger the AL1 relay. This application

needs a controller SYL-5342P, a 40A/240V contactor, a thermocouple and one

buzzer with a 12V DC power source.

a. Wiring

2020.06

Relay AL1

AL1 OFF

(High Temp)

AL2 ON

Relay AL2

AL2 OFF

(Program End)

4. Hold

1. Ramp,

Ready section,

new cycle

no timing

Time (min)

210

Figure 13. Wiring diagram for the oven in example 3.

b. Parameter setting and program

SSb = 5. Safety start band is set to 5 degree.

LOOP = 0. Program automatically looping is disabled.

ALP = 1. Alarm 1 is set to absolute high alarm.

AL1 = 450. Alarm 1 will be activated when reading temperature is over 450

AL2 = 120. Program ending alarm is set to 120s. Once all the steps have been

executed, alarm 2 will be activated for 120s.

T = 20. Output cycle time set to 20s.

CF = 1. Fahrenheit temperature display.

The program:

r01 = 2000, t01 = 20, C01 = 375. Heat up to 375 as fast as possible, then soak

at 375 for 20 minutes

r02 = 0, t02 = 0, C02 = 0. End of the program.

Auber Instruments

5755 North Point Parkway, Suite 99

Alpharetta, GA 30022

www.auberins.com

Email: [email protected] Tel: 770-569-8420

No part of this manual shall be copied, reproduced, or transmitted in any way without the

prior, written consent of Auber Instruments. Auber Instruments retains the exclusive rights

to all information included in this document.

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