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Summary of Contents for oventrop Aktor M ST L Modbus
- Page 1 Valves, controls + systems Electromotive actuator „Aktor M ST L Modbus“, 24 V, (DN 40/50) Operating instructions...
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Page 3: Table Of Contents
„Aktor M ST L Modbus“ Contents Contents Seite General information ........................5 Validity of the operating instructions ..................5 Type plate ..........................5 Extent of supply ........................5 Contact ............................5 EU Declaration of conformity ....................5 Used symbols ..........................5 Safety-related information ......................6 Correct use ..........................6 Warnings ...........................6... - Page 4 Contents „Aktor M ST L Modbus“ 6.3.2 Via the Modbus parametrization ......................13 6.4 Manual operation ........................13 6.4.1 Extending the drive stem ........................13 6.4.2 Retracting the drive stem ........................14 Maintenance ......................... 14 Removal..........................14 Disposal ..........................14 Appendix ..........................15 10.1 Modbus topology ........................
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Page 5: General Information
„Aktor M ST L Modbus“ General information General information The original operating instructions were drafted in German. The operating instructions in other languages were translated from German. Validity of the operating instructions These operating instructions are valid for the electro- motive actuator “Aktor M ST L Modbus”, 24 V, for Cocon QTR and QFC. Type plate The type plate is located below the cable connec- tions. Extent of supply • Electromotive actuator “Aktor M ST L Modbus”, 24 V •... -
Page 6: Safety-Related Information
Safety-related information „Aktor M ST L Modbus“ Safety-related information Safety notes We have developed this product in accordance with Correct use current safety requirements. Safety in operation is only guaranteed if the product Please observe the following notes concerning safe is used correctly. use. The actuator may be used in indoor heating, venti- 2.3.1 Danger in case of inadequate personnel lation and air conditioning systems in combination qualification with the pressure independent control valves “Cocon... -
Page 7: Technical Description
„Aktor M ST L Modbus“ Technical description Technical description Functional description The full range of functions will only be available Construction after parametrization of the Modbus. Mini actuator Modbus for steady control in heating, ventilation and air conditioning systems. Control is carried out via Modbus RTU communica- tion (RTU: Remote Terminal Unit). Apart from the communication on the Modbus, two universal inputs (binary and analogue) are available. One of the inputs can be used as analogue output. The inputs are suitable for internal functions and for further processing of data in an automation station (Modbus master). -
Page 8: Calculation Functions
Technical description „Aktor M ST L Modbus“ 3.2.5 System monitoring The cycle time can be configured via the Modbus parametrization. Leakage detection If the value is zero, this function is deactivated. A possible internal leakage is detected on the basis 3.2.2 Calculation functions of the measured flow and return temperature with the valve closed. Calculation of the volume flow A leakage is detected if the measured temperature... -
Page 9: Technical Data
„Aktor M ST L Modbus“ Technical description Technical data Ambient humidity In operation: 0 - 85 % r.h., not condensing Technical data Out of operation: 0 - 85 r.h., Operating voltage 24 V AC ±10 %, 50/60 Hz; not condensing 4.8 VA; 24 V DC ±10 %; 2.5 Overvoltage cate- Degree of protection gory Power consumption Dimensioning: Pollution degree - 9.0 VA (24 V AC) Protection class IP54 - 4.7 W (24 V DC) -
Page 10: Transport And Storage
Transport and storage „Aktor M ST L Modbus“ Installation Sensor types 0..10 V 0..100 % On delivery, the actuator is in the mounting KP10 -50..+150 °C position. Ni1000 (DIN) -50..+150 °C In the mounting position, the stem is fully Ni1000 (L&G) -50..+150 °C retracted and the DIP switches (Bit 1 bis 6) are PT1000 -50..+150 °C set to "OFF" (see section 5.3.1 on page 12). -
Page 11: Electrical Connections
„Aktor M ST L Modbus“ Installation Electrical connections 2 3 4 9 10 GY PK RD BK 24 V AC/DC 0 V AC/DC Illust. 4: Connection diagram NOTICE Short circuit due to dripping water f Do not feed the cable in from the top. -
Page 12: Assignment
Operation „Aktor M ST L Modbus“ Operation Bit 0 Status LED Bit 1 Bit 2 The status LED is located under the casing cover above the terminal on the right hand side and dis- Bit 3 plays the operating status of the actuator. -
Page 13: Initialisation Run
„Aktor M ST L Modbus“ Operation Initialisation run Manual operation The manual mode is only intended for mounting and 6.3.1 By address change test purposes. The actuator will perform an initialisation run if the In manual mode, the stem can be extended and Modbus address is changed (see section 5.3.2 on retracted manually with the help of a magnet. page 12). 6.3.2 Via the Modbus parametrization CAUTION Risk of scalding due to hot fluids... - Page 14 Maintenance „Aktor M ST L Modbus“ Removal 6.4.2 Retracting the drive stem 1. Stroke along the right side of the actuator with the magnets (position (1) in Illust. 6 on page 13) CAUTION again. Z The drive stem will be retracted (mounting position). Risk of burns due to hot components Z The LED will flash green quickly. An unprotected contact with hot components may lead to burns. The function "extending the drive stem" or f Before starting work, let the valve cool "retracting the drive stem"...
- Page 15 „Aktor M ST L Modbus“ Appendix 10. Appendix 10.1 Modbus topology AKTOR AKTOR AKTOR MASTER 1 2 3 4 1 2 3 4 1 2 3 4 Illust. 7: Modbus topology NOTICE Disturbances during signal transmission in the bus system If the Modbus is not terminated correctly, communication disturbances between the components may occur.
- Page 16 Appendix „Aktor M ST L Modbus“ uint16 Volume flow limitation Adjustment value in l/h, can be set between min/max of the heating (hydronic bal- valve ancing) uint16 Volume flow limitation Adjustment value in l/h, can be set between min/max of the cooling (hydronic bal- valve ancing) uint16 Fluid energy constant Default 1162 mW per kg*Kelvin, can be exceeded uint16 Sensor type P1 0: Off 1: Binary input 2: 0..10V Input 3: KP10 4: NI1000_DIN 5: NI1000_LG 6: PT1000 uint16 Inversion P1 0: = normal ; 1: = inverse int16...
- Page 17 „Aktor M ST L Modbus“ Appendix uint16 Emergency position 0..10000 = 0..100.0% uint16 Flushing timer Value in minutes, 0: = inactive (smallest interval 60 minutes) uint16 Valve anti-blocking Value in hours, 0: = inactive (smallest interval 24 hours) timer uint16 Command 0: Normal operation 1: Valve adaptation / initialisation run 2: Test run 3: Sync 4: Error reset 5: Acceptance of the transmission parameters (Baud rate, parity & stop bits) uint16 Operating mode 0: Steuerung über Sollwert 1: Auf 2: Zu 3: MinPos 5: MaxPos 6: Temperature control according to register "room temper- ature" 7: Output control according to register "thermal output"...
- Page 18 Appendix „Aktor M ST L Modbus“ uint16 Operating status / 0x0000: Normal operation, no message Error 0x0001: Disturbance internal memory 0x0002: Disturbance internal AD conversion 0x0004: Disturbance valve adaptation 0x0008: Disturbance internal motor function 0x0010: P1 range excess 0x0020: P2 range excess 0x0040: Disturbance calculation/control functions 0x0080: Permanent blocking of the valve 0x0100: Command execution test run/adaptation active uint16 Current flushing timer Minutes remaining until flushing uint16 Current valve an- Minutes remaining until valve anti-blocking ti-blocking timer uint32 Operating time Seconds uint32 Travel counter uint16 Nominal value volume 0..10000 = 0..100%...
- Page 20 OVENTROP GmbH & Co. KG Paul-Oventrop-Straße 1 59939 Olsberg GERMANY 101274584 V01.11.2019 www.oventrop.com...