Stanton SPS5.2 Mode d’emploi
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
© Stanton Pottery Supplies Ltd.
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
t1
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
N
Contactor
Thermocouple
Connections
+
-
+
SK2
6
Contactor coil
suppressor
(must be fitted)
N
E
L
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
R
K
N
S
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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