BONIS ST535 Manual de instrucciones

ST535 User Handbook Page 1

ST535 Temperature Programmer

User Handbook

Issue: 2.00

Date: 01 Dec 2015

See separate handbook for Installation Instructions

TAFFOR

ST535

www.bonis.gr

Page ST535 User Handbook

At a Glance

ZONE1ICON

ZONE2ICON

ZONE3ICON

START/STOPKEY

KILNHEATING

INDICATOR

FIRINGINDICATOR

CONTROLKEYS

MIMICDISPLAY

MAIN

DISPLAY

SEGMENT

DISPLAY

EVENTINDICATOR

PAUSEDINDICATOR

ST535

MAINSSWITCH

FUSE

ST535 User Handbook Page 3

Quick Start Guide

Switch on & wait for kiln temperature display

To run a firing program set up previously press

the ►nkey

To stop the firing at any time press the ►nkey

again

To review firing data press the ►key to enter the

programming mode

To change firing data press the ▲& ▼keys to

change the displayed value

Use the ►key again as necessary to step to the

next firing value or segment to be reviewed or

changed

To mark the end of a program set a ramp rate to

END with the ▼key

If the keyboard is locked then press and hold

down the fn key for 5 seconds to unlock

To exit the programming mode either wait 20

seconds or press the ►nkey to start firing

Page ST535 User Handbook

Contents

At a Glance....................................................................... 2

Quick Start Guide............................................................. 3

Contents............................................................................ 4

Features............................................................................ 4

Turning On........................................................................ 5

Programming.................................................................... 6

Temperature Display........................................................ 8

Firing................................................................................. 9

Cooling............................................................................ 10

Operating Notes ............................................................. 11

Adjusting While Firing..................................................... 12

Error Messages.............................................................. 13

Other Features................................................................ 15

Control Relay.................................................................. 16

Sample Ceramics Programs .......................................... 19

Sample Glass Programs ................................................ 20

· Multi-zone (1,2 or 3 zones)

· 32 programs each with 32 segments

· 1 controlled heating / cooling ramp + soak per segment

· Soak periods up to 99 hours 59 mins

· Ramp rates from 0.1 to 999°/hour + FULL

· Ideal for glass or ceramics use

· Programs can be altered while firing

· Program pause and advance facilities

· Keyboard lockable

· Delayed start facility - up to 99 hours 59 mins

· Power failure recovery

· Energy used display

· Setpoint display

· Alarm buzzer & alarm relay output

· Programmable event / damper / fan relay output

· Mains power switch

· °C/°F operation

Features

ST535 User Handbook Page 5

Turning On

When turned on the ST535 performs a display

test by lighting all of the display segments and

illuminating all of the front panel indicator

lamps.

The version number of the software embedded

within the ST535 is now displayed. If you

need technical support you might be asked for

this code together with the serial number.

Next displayed is the thermocouple type set-

ting. This should match the type of thermo-

couple fitted to the kiln and can be R, S, K or

N type (R,S,K,N).

The final display will show the kiln temperature.

All other lamps should be off.

If pressing any key causes LOCKED to appear

then the keyboard has been locked. This is an

anti-tamper feature. Press the fn key & hold

down for 5 seconds to unlock.

During firing the star icon will light to show

when heating power is being applied to the

kiln.

This now shows that the keyboard is UN-

LOCKED. To re-lock the keyboard press the

fn key & hold down for 5 seconds.

If any mimic panel lamps are on then the ST535 is firing. To stop the firing

press the ►nkey.

Note: During power up the SEGMENT display shows

the operating units (°C/°F) of the ST535 (Installer

adjustable).

ST535

F1.00

T/C: R

20°C

LOCKED

UNLOCKED

32°C

Page ST535 User Handbook

Programming

A firing segment

An ST535 firing segment comprises a ramp followed by a soak period. Two seg-

ments can be used for simple firing (biscuit firing for example) or several seg-

ments can be used per program for complex firing (crystal glazing or glass-

making for example).

The ST535 ramps the kiln temperature at the required ramp rate until the kiln

reaches the soak / target temperature. It then soaks (dwells) at the soak temper-

ature for the soak period. It then runs the next segment until the end of the pro-

gram is reached.

The ST535 is capable of both positive (heating) ramps and negative (cooling)

ramps - as used in glassmaking for annealing. The type of ramp is clearly shown

on the mimic display during firing.

The ramp rate is settable in the range 0.1 to 9.9°/hour then 10 to 999°/hour or

FULL (full power) or END (end of program).

The soak / target temperature is settable over the range 0 to 1400°C (2552°F).

The soak period is settable over the range 00.00 (no soak) to 99 hours 59 mins.

Note: during soaking the ST535 display alternates every 15 seconds

between kiln temperature and soak period remaining.

Cooling Ramp

HeatingRamp

SoakPeriod

SoakTemperature

(target temperature)

ST535 User Handbook Page 7

When not firing there are no indicators lit on

the mimic panel, the run indicator is off and

the display shows the current kiln

temperature.

Altering a program

The controller settings can be reviewed by pressing the ►key.

The first push of the ►key flashes the

program number display. The required firing

program can now be selected with the ▲&

▼keys.

Note: holding down the ▲or ▼keys causes rapid change of the displayed value.

The next push of the ►key displays the ramp

rate in the range END, 0.1-9.9°/HR, 10-999°/HR

or FULL. This can be altered with the ▲& ▼

keys. The heating ramp or the cooling ramp

indicator on the mimic panel will flash. END marks the end of the program. FULL

heats or cools as fast as possible.

The next push of the ►key displays the

soak temperature. This can be altered with

the ▲& ▼keys. The soak temperature

indicator on the mimic panel will flash.

The next push of the ►key displays the

soak period in hours:minutes. This can be

altered in the range 00:00 to 99:59 with the

▲& ▼keys. The soak period indicator on

the mimic panel will flash.

The next push of the ►key increments the segment number digit and

firing data for the next segment can be entered.

Program data entry is terminated if END is

selected for a ramp rate with the ▼key.

Program data entry is also automatically

terminated if the maximum number of seg-

ments have been entered.

Note 2: to exit programming without cycling through all of the above steps wait 20 seconds without pressing any

keys - the ST535 will revert to the idle display. Alternatively press the ►nkey to exit programming and to begin

firing immediately.

Note 3: the ◄key can be used to reverse through the programming steps to correct errors or to exit programming

mode.

Note 1: available ramp rate displays are: END, 0.1 …999 & FULL. If END is shown but another segment is required

then push the ▲key to obtain the required ramp rate (in the range 0.1°/hr to 999°/hr). If full power is required then

push the ▲key until FULL is displayed. To mark the end of the program push the▼key until END is displayed

20°C

PROG: 1

150°C/HR

600°C

00:15

END

Page ST535 User Handbook

Temperature Display

To change the displayed zone press either the

▲or ▼keys. The zone number icons will

change to show which zone temperature is be-

ing displayed.

This section only applies to multi-zone (2 or 3 zones) kilns. A single zone

kiln will always show the temperature of zone 1 only.

For a single zone kiln the zone icons are not

used and the temperature of zone 1 is always

displayed.

1020°C

For multi-zone kilns the temperature of each

zone can be displayed. Zone 1 is displayed by

default when the ST325 is powered on.

1020°C

1018°C

ST535 User Handbook Page 9

Firing

To start a firing press the ►nkey. The firing indicator lamp will flash.

Hint: it is good practice to check that the program is correct by press-

ing the ►key & checking the program number & program contents

before pressing the ►nkey to start a firing. It is also a good idea to

have a written record of the contents of the firing programs kept and

displayed near the kiln especially if there is more than one user of the

kiln.

With the firing indicator flashing an option-

al start delay up to 99 hours: 59 minutes

can be entered with the ▲& ▼keys.

Information: The ST535 operates by calculating the amount of energy required by the

kiln every 30 seconds (installer adjustable). If for example 40% of full energy is

required to maintain a particular ramp rate or a particular soak temperature then the

ST535 will apply heating power to the kiln for 12 seconds every 30 seconds. The kiln

heating indicator will light for 12 seconds every 30 seconds. If the kiln has a contactor

then a loud click will be heard both when the kiln heating indicator lights up and when

it goes out. If full heating power is required then the kiln heating indicator will remain

lit. If full cooling is required the kiln heating indicator will remain off.

After 10 seconds, or immediately if the ►nkey is pressed again, the firing

will commence and the firing indicator lamp will remain lit.

To stop the firing prematurely at any time press the ►nkey again. The firing

indicator lamp will go out.

Note: during ramping the ST535 will perform either controlled heating or con-

trolled cooling - as indicated on the mimic display. During soaking the

ST535 display alternates every 15 seconds between kiln temperature and

soak period remaining. At the end of each segment the segment number

display will be incremented.

00:00

Page ST535 User Handbook

Cooling

Upon completion of firing the ST535 lights all lamps on the mimic display and

the kiln is allowed to cool naturally.

While the kiln temperature is above 40°C the display alternates every 5 sec-

onds between the kiln temperature and HOT.

When the kiln has cooled to less than 40°C the display alternates every 5

seconds between the kiln temperature and END.

To return the ST535 back to idle condition ready for the next firing press the

►nkey (or turn off the power to the instrument).

120°C

HOT!

39°C

END

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