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ST501-KC1KAR.112
Controller for cooling applications
Order number 900390.001
Wiring diagram
Product description
The micro-processed controller ST501-KC1KAR.112 is used for the thermostatic temperature con-
trol of simple refrigerating plants. It is supplied with 230V AC and has two exit relays. The relays
can be used for different functions, e.g. for a compressor, a fan, a defroster, an alarm relay, etc.
Two resistance sensors can be connected. One sensor seizes the refrigerating chamber tempe-
rature, and the function of the second sensor can be differently parametered.
Networking of the controller takes place via the ST-Bus interface.
Sensor: PTC
Range: -50...150 C
Front size: 106mm x 68mm
Panel cut-out: 87.5mm x 56.5mm
Tightness: front IP65
Connector: screw terminal
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Table of Contents
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Related Manuals for STORK TRONIC ST501 Series
Summary of Contents for STORK TRONIC ST501 Series
- Page 1 ST501-KC1KAR.112 Controller for cooling applications Order number 900390.001 Wiring diagram Product description The micro-processed controller ST501-KC1KAR.112 is used for the thermostatic temperature con- trol of simple refrigerating plants. It is supplied with 230V AC and has two exit relays. The relays can be used for different functions, e.g.
- Page 3 SOFTWARE COOLING CONTROLLER ST501-xxx.112...
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Page 4: General Information
GENERAL INFORMATION The ST……112 controllers are designed for Key T2: DOWN ( down-arrow ) general use in refrigerating plants. By pressing this key the parameter or parameter value is decreased. A further Depending on the existing hardware, up to four ... -
Page 5: Network Address
In addition to setting the temperature value, the NETWORK ADDRESS buttons DOWN perform other functions, too. Pressing the for 3 seconds will trigger a Under code word you can set a non-standard defrosting operation of the network address. This is required for refrigerating plant. - Page 6 Alarms Buttons and switching inputs Control circuits 1 Defrosting control circuits 1 Fan control circuits 1 Temperature sensors Pre-defined sets of parameters Networking and display Relay contacts and lamps Control circuit 2 These levels by default are protected by a password.
- Page 7 Alarms Para- Description of function Setting range Values meter default Assignment of alarm sensors, detailed 0: none description of sensors in parameters 1: Sensor F1 through 2: Sensor F2 3: Sensor F3 4: Sensor F4 5: weighted mean value from F1 and F2 ...
- Page 8 Buttons and switching inputs (password-protected) Para- Description of function Setting range Values meter default Function button T1 0: without function 1: controller on/standby 2: defrosting request 3: acknowledge alarm 4: relay function light 1, not active in standby 5: relay function light 1 regardless of standby 6: relay function light 2,...
- Page 9 Para- Description of function Setting range Values meter default Function button T6 Function button T7 Function button T8 Function of external switching input E1 0: without function 1: controller on/standby 2: high-pressure alarm (see ...
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Page 10: Control Circuit
Control circuit 1 Para- Description of function Setting range Values meter default Assignment of cold store sensors, detailed 0: none description of sensors in parameters 1: Sensor F1 through 2: Sensor F2 3: Sensor F3 4: Sensor F4 5: weighted mean value from F1 and F2 ... -
Page 11: Fan Control Circuit
Defrosting control circuit 1 Para- Description of function Setting range Values meter default Assignment of evaporation sensors 0: none (defrosting sensors) 1: Sensor F1 detailed description of sensors in parameters 2: Sensor F2 through 3: Sensor F3 4: Sensor F4 5: weighted mean value from F1 and F2... - Page 12 Para- Description of function Setting range Values meter default Evaporator fan 0: off Fan mode normal operation 1: continuous operation Remark: Control setpoint if >4 2: like 1, with drip interruption 3: with compressor on 4: temperature-controlled evaporator sensor only 5: temperature-controlled difference between cold store and...
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Page 13: Temperature Sensors
Temperature sensors (password-protected) Para- Description of function Setting range Values meter default Mains frequency 0: 50Hz 1: 60Hz Act. value sensor F1 Measured value, not adjustable Calibration sensor F1 (act. value correction) -20...+20.0°C Weighting factor sensor F1 0.50...1.50 1.00 ... - Page 14 Para- Description of function Setting range Values meter default Display of weighted mean value of F1+F2 + (100- )/100 Weighting of sensor F1 for 0 ... 100% Password of parameter level -99 ...
- Page 15 Relay contacts and lamps (password-protected) Para- Description of function Setting range Values meter default Function relay K1 0: no function (off) 1: compressor 2: defrosting circuit 1 3: evaporator fan 4: condenser fan 5: alarm 6: control contact circuit 2 7: defrosting circuit 2 8: relay function A (light 1) 9: relay function B (light 2)
- Page 16 Para- Description of function Setting range Values meter default Function LED1 0: no function (off) 1: compressor/magnetic valve 2: defrosting control circuit 1 3: evaporator fan 4: condenser fan 5: alarm 6: control circuit 2 7: defrosting circuit 2 8: Light 1 9: Light 2 10: window heating...
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Page 17: Master Password
Control circuit 2 (password-protected) Para Description of function Setting range Values meter default Assignment of sensors to control circuit 2 0: none detailed description of sensors in parameters 1: Sensor F1 through 2: Sensor F2 3: Sensor F3 4: Sensor F4 5: weighted mean value from... - Page 19 STATUS DISPLAYS AND ERROR MESSAGES Message Cause Remedy Overtemperature, temperature above alarm limit of parameter A1/A31 Undertemperature, temperature below alarm limit of parameter A2/A33 Error on sensor F1, short-circuit check sensor F1 Error on sensor F1, wire broken check sensor F1 ...
- Page 20 Alarm suppression time, door open Alarms With this parameter you can define after which time an alarm is to be triggered when the door is opened. If the door is closed again within the Alarm sensor assignment specified time, no alarm will be triggered.
- Page 21 High-pressure function: Releases until alarm Control circuit 1 In the case of a high-pressure signal via a parameterised switching input, the compressor will Assignment of cold store sensors be switched off immediately and a message will be With this parameter, you can set which sensor input displayed.
- Page 22 Start protection after compressor start "super-frost": lime limit, This protection time starts as soon as the "shock-frost", "max. refrigerating power" compressor is switched on. When the compressor "super-frost": temperature limit, is switched off, it cannot be switched on again until "shock-frost", "max.
- Page 23 Defrosting temperature Password for parameter level A defrosting operation is complete as soon as the With this parameter, you can set the password for temperature set here is reached at the evaporator. parameter level d--. If the defrosting operation is not completed within ...
- Page 24 between the evaporator and the cold store sensor Hysteresis (if =4 or 5) is to be used for controlling the fan. The control The control hysteresis is always set above the setpoint and hysteresis are defined via parameters theoretical switching point.
- Page 25 Condenser fan: Weighting factor F1…F4 Proportional range P-controller With this parameter, it is possible to correct actual For setting of proportional range required if [ value deviations due to unfavourable sensor in which the fan is to be controlled. location.
- Page 26 Display value Pre-defined parameter Here, you can define which actual value is to be sets (password-protected) displayed. This refers to the display in normal operation. You will have to leave the parameter Internal: active data set level in order to see the set value. With this parameter, you can set up pre-defined Possible values which can be set via this data sets.
- Page 27 Relay contacts and Mask on enabled functions (Bit 0...7) lamps (password-protected) Mask on enabled functions (Bit8...15) Here, you can specify the functions enabled via the bus using a binary mask. The bits have the following meaning: Function relay K1...K8 Assignment of internal output signals to the Para Bit Valency Function...
- Page 28 Control circuit 2: upper setpoint limitation Control circuit 2 Control circuit 2: lower setpoint limit (password-protected) With these parameters, you can limit the setting range of setpoint to avoid that the end user Assignment of sensor for independent 2nd does not enter non-permissible values.
- Page 29 Technical data of ST501-KC1KAR.112 Measuring input Resistance thermometer PTC, refrigerating chamber Resistance thermometer PTC, function see P4 Measuring range: -50°C...+150°C Measuring accuracy: ±1K ± 0.5 %, without sensor Outputs Relay, normally-open contact, 30(4)A 250V, function see U1, permanent current max. 16(4)A, limited by connectors and/or conductive strips Relay, change-over contact, 8(1.5)A 250V, function see U2 Buzzer ca.
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