Stanton SPS5.2 Bedienungsanleitung

Page SPS5.2 Manual12

Notes

SPS5.2 Manual Page 1

USER HANDBOOK

FOR

SPS5.2 TEMPERATURE CONTROLLER

Stanton Pottery Supplies Ltd.,

Canal Lane, Westport Lake,

Tunstall, STOKE-ON-TRENT,

Staffordshire, England.

ST6 4NZ

Tel: +44 (0)1782 835467

Fax: +44 (0)1782 812435

email: [email protected]

www.stanton-kilns.co.uk

STANTON

Temperature Controller

RUN

HALT SET

SPS 5.2

Issue: 5.2E01

Date: 10 July 98

Manufactured in Staffordshire, U.K.

Page SPS5.2 Manual2

Table of Contents

1.0 Features 3

2.0 Operating Instructions 3

2.1 Power On 3

2.2 Instrument Capabilities 3

2.3 Programs 4

2.4 Keys 5

2.5 Setting 5

2.6 Firing Displays 6

2.7 Power Fail Recovery 7

3.0 Installation Instructions 7

3.1 Safety 7

3.2 Instrument Mounting 8

3.3 Internal Component Identification 8

3.4 Wiring 9

4.0 Error Displays 10

Thermocouple Failure 10

Heater Failure 10

Other Errors 10

5.0 Characteristics 11

SPS5.2 Manual Page 11

5.0 Characteristics

Electrical

Power supply

Voltage range: 216.2 - 253V

(Euronorm)

Frequency: 50Hz (nom)

Phases: 1

Power: Controller 3VA (max)

Switched output 75VA

Fuse: 1.0A anti-surge

Control Relay

Contact type: SPST NO

Switched Live -

nominal 230VAC output

@300mA max.

Thermocouple

Types: K,N,R & S

(User Selectable)

Connectors

Max. wire size 1.5mm²

Temperature

t2 setting

Trim Range: ±100ºC

Resolution: 1ºC

START DELAY setting

Range: 00:00 to 99hr 59min

Resolution: 1 min

Control Accuracy

P.I.D. Control

Reading accuracy: ±0.25% FSD ±1 digit

Environmental

Operating temperature range: 0 to +40°C

Storage temperature range: -10º to +55ºC

Enclosure sealing: IP65

Enclosure material: ABS or Polycarbonate

Enclosure colour: Light Grey RAL 7035

EMC (Electromagnetic Compatibility)

This instrument is designed for use mainly in

Domestic & Light Industrial environments

where electro-magnetic interference may cause

a loss of accuracy of the displayed temperature

reading of up to 3°C. Specified accuracy will

be restored when the interference is removed.

The design of this instrument has been assessed

and tested assuming maximum connecting lead

lengths of 3.0 metres.

Page SPS5.2 Manual10

4.0 Error Displays

Thermocouple burn-out is indicated by this display. This indicates that the

thermocouple has become open circuit. The

controller detects this condition while firing and

when in READY mode. The controller will lock up

in this condition with the heater power off. The only

way to reset the controller from this condition is to

turn off the power, clear the fault and then turn the power to the instrument back on.

To clear the fault the thermocouple and associated wiring should be tested for open

circuits. If the thermocouple is open circuit it will need to be replaced.

Heater failure or thermocouple short circuit is indicated by this display. The

instrument detects this condition only in RUN mode

when heating power has been applied continuously

for 15 minutes but the temperature has increased by

less than 2ºC. This indicates either that the wiring to

the thermocouple is short circuited or (more likely)

that one or more of the heater elements has failed and the heater is incapable of

reaching the required temperature. The only way to reset the controller from this

condition is to turn off the power, clear the fault and then turn the power to the

instrument back on.

The controller performs continuous checks of its circuitry and embedded software to

check for potential error conditions. If such an error is detected the control relay is

switched off and an error message is displayed for

one minute. After this period the controller resets

itself and restarts as if a power failure had occurred.

If the potential error has cleared the instrument will

proceed as normal. If the error condition persists the

instrument will repeat the error display cycle.

In the event of an error contact the supplier quoting the error number.

THERMOCOUPLE

OPEN CIRCUIT!

THERMOCOUPLE

SHORT CIRCUIT!

ERROR 7!

SPS5.2 Manual Page 3

1.0 Features

• Simple to use

• Large clear illuminated alphabetic display

• 10 Pre-set programmes

• User adjustable soak temperature (±100°C)

• Start delay (0-99hr 59min)

• User settings stored in non-volatile memory

• Intelligent power fail recovery

• Thermocouple failure detection

• Heater element failure detection

• R, K, N & S type thermocouple selection

2.0 Operating Instructions

2.1 Power On

When power is applied to the controller the display will illuminate & show the model number, version

number & the thermocouple type in use. READY will normally1be displayed. The heating power is off and

the controller is ready to accept keyboard commands.

1If the display does not show READY then the instrument is in RUN mode because the previous firing

sequence was interrupted by a power failure - the controller is now trying to complete this interrupted

firing sequence. To return to READY mode, if required, press the RUN/HALT key.

2.2 Instrument Capabilities

General

The instrument contains 10 pre-set firing programmes to allow the user to carry out the vast majority of

firings used in ceramics.

Each programme consists of two controlled ramps and a soak period (which may be zero) with a user

adjustable (±100°C) top (soak) temperature. A typical firing sequence is illustrated below:-

Temperature ºC

ambient Delay

Time

Ramp 1

soak temperature

Ramp 2 Cooling

Soak

time

Page SPS5.2 Manual4

Delay Time

This is a user-settable start delay time in the range 0 to 99 hours 59 mins. This feature can be used to

delay firing - enabling firing during the night, possibly on low-tariff electricity.

Ramp 1

Heating is performed to increase the temperature of the load from ambient to temperature t1. The value

of t1 and the rate of increase of temperature depend on the programme selected (see below).

Ramp 2

Heating is performed to increase the temperature of the load from temperature t1 to the soak

temperature. The soak temperature and the rate of increase of temperature depend on the programme

selected (see below). The soak temperature is user adjustable in the range ±100°C.

Soak Time

This is the time that the controller dwells at the soak temperature. The soak time depends on the

programme selected (see below). After soaking the controller cuts off heating power and the load is

allowed to cool naturally.

Prog

No Description Ramp 1

(°C/hour) t1

°C Ramp 2

(°C/hour) Soak Temp

°C Soak Time

(mins)

0Lustre 125 375 125 750 0

1On Glaze Enamel 123 400 123 800 0

2Slow Biscuit 30 210 113 1000 0

3Normal Biscuit 40 200 114 1000 10

4High Biscuit 40 200 120 1160 0

5Earthenware Low

Temperature Glaze 100 500 115 960 10

6Earthenware Normal

Temperature Glaze 120 500 120 1070 0

7Earthenware High

Temperature Glaze 112 560 112 1120 10

8Stoneware 126 630 126 1260 10

9Porcelain 100 200 210 1280 10

2.3 Programmes

SPS5.2 Manual Page 9

3.4 Wiring

Relay

K1 K2 K3 L N E

21 1

Contactor

Thermocouple

Connections

SK2

Contactor coil

suppressor

(must be fitted)

SK1

LNE

3.4.1 Contactor Coil Suppression

The coil of the contactor must be suppressed with an RC filter network. The RC network must

be connected directly across the coil terminals on the contactor.

Suitable proprietary RC filter networks fitted with insulated wire leads are:-

1. RS Components Part No. 210-364

2. RS Components (tab fixing) Part No. 210-370

3. Farnell Electronic Components Part No. 218-893

Note

to ensure compliance with the

EMC & LVD Directives lead

lengths should not exceed 3m.

Page SPS5.2 Manual8

3.3 Internal Component Identification

Remove the front of the instrument by unscrewing the 4 self-tapping screws. The required

connectors and configuration jumpers can be identified on the lid mounted printed circuit board

with this diagram:-

J2 is the thermocouple type selector. A

jumper should be fitted to one of the positions

K,N,R or S:-

‘K’ type thermocouples are Nickel-

Chromium/Nickel-Aluminium

‘N’ type thermocouples are Nicrosil/Nisil

‘R’ type thermocouples are Platinum-13%

Rhodium/Platinum

‘S’ type thermocouples are Platinum-10%

Rhodium/Platinum

Thermocouple

Select

3.2 Instrument Mounting

Mount the controller on a suitable vertical surface which will not get hot, using the 4 off 4mm

diameter mounting holes. The mounting hole spacing is marked on the back of the controller and

is 88mm x 148mm. The cable gland hole is 20mm diameter and should normally be at the

bottom to guard against moisture ingress. The instrument should be mounted away from direct

sources of heat.

SK2 is the thermocouple connector. The positive terminal is clearly marked.

SK1 is the mains/control connector:-

K1 is the switched Mains Live output to the heater contactor

K2 & K3 are not used (not connected) on the SPS5.2

K4 is Mains Live input

K5 is Mains Neutral input

K6 is Earth input (an Earth must be fitted to this controller)

VR1 is the display contrast control

FS1 is the protective fuse:-

1.0A Anti-surge

Wickmann type TR5 T1A 250V

Farnell Electronic Components 150-988

RS Components 226-6583

SPS5.2 Manual Page 5

2.4 Keys

Pressing this key when READY is displayed will start a firing using a programme which

has been previously selected with the SET key. Pressing this key when a firing in in

progress will immediately abort the firing. Pressing this key directly after powering up

the controller will put the user into SET mode - enabling a program to be selected.

Pressing this key when READY is displayed enables the user to select a firing program.

Pressing this key during a firing has no effect.

This is used to increment user input when in SET mode. Pressing this key has no effect

when READY is displayed or when a firing is in progress.

This is used for digit select when in SET mode. It is also used to review controller status

during firing. Pressing this key when READY is displayed has no effect.

RUN

HALT

SET

2.5 Setting

Pressing the SET key when READY is displayed causes the currently selected program details to

be shown. This will be program 0 if this is the first time that SET has

been pressed since power-up, else it will be the previously selected

program. The program number, normal soak temperature & pro-

gram name are displayed. To increment to the desired program

press the Çkey. If the program name is too long to fit in the dis-

play window it will scroll after a short delay.

Press the SET key to select the displayed program. The display will now show the programmed

soak temperature. This can be adjusted by ±100°C with the Çkey.

If the controller has remained powered since a previous firing and

the program number has not been changed then the previously set

up soak temperature will be displayed.

Press the SET key to select the displayed soak temperature. The display will now show the start

delay. This can be set from 00:00 (zero) to 99:59 (99 hours 59

mins) with the Ç& Ækeys. Pressing the SET key again selects the

displayed start delay and returns to the READY display. To start a

firing press the RUN/HALT key.

PROG0:750°C

LUSTRE

SET SOAK TEMP

750°C

SET START DELAY

00:00

Page SPS5.2 Manual6

2.6 Firing Displays

This is shown when a delayed start is in progress. The display

shows the hours:minutes remaining until firing commences.

This shows that the initial ramp, ramp 1 is being fired. For addi-

tional information press the Ækey. This additional information

is also displayed once per minute.

This shows that the final ramp, ramp 2 is being fired. Press the

Ækey for additional information.

This shows that the controller is soaking. Press the Ækey for

additional information including the time left in soak.

This shows that the soak period is complete and that the load is

cooling naturally. HOT! is displayed flashing.

This shows that the load has cooled to less than 100°C.

This shows that the load has cooled to less than 40°C & firing is

complete.

DELAYED START...

TIME LEFT 04:32

SLOW HEATING...à

KILN TEMP 23°C

FAST HEATING...à

KILN TEMP 800°C

SOAKING...à

KILN TEMP 1200°C

COOLING... HOT!

KILN TEMP 1172°C

COOL

KILN TEMP 96°C

READY

SPS5.2 Manual Page 7

3.0 Installation Instructions

3.1 Safety

2.7 Power Fail Recovery

In the event of power failure followed by power restoration, the instrument attempts to take

intelligent recovery actions to avoid a firing being aborted. The instrument has no direct

knowledge of how long the power has been off so the recovery action taken depends on where the

instrument had reached in the firing sequence prior to power failure as detailed below:-

Before Power Failure After Power Failure

In READY mode

Timing delayed start

On Ramp 1 approaching t1

On Ramp 2 approaching t2

In Soak Period timing Soak

Time

Cooling after SOAK period

In READY mode

Immediate start as if the end of Delay Time reached

Immediate restart. Temperature will increase at ramp rate

1 of the current program starting at the present temperature

Immediate restart. If present temperature greater than t1

temperature will increase at ramp rate 2 of the current

programme starting at the present temperature. If present

temperature is less than t1 temperature will increase at

ramp rate 1 of the current program starting at the present

temperature

As above. The full soak period of the current program will

be re-applied

Cooling continued.

ISOLATE

BEFORE

REMOVING

COVER

Installation Category: II

Pollution Class: 2

WARNING

ISOLATE FROM ELECTRICAL SUPPLY BEFORE OPENING THIS

INSTRUMENT FOR INSTALLATION, CONFIGURATION OR REPAIR

PURPOSES

230V ~ 50HZ 1.0A

Fuse: 1.0A Anti-surge

Wickmann type TR5 T1A 250V

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