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Rotronic CRP5 Manual

Clean room panel
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D-M-CRP5-MODBUS-V1_03
Document code
Modbus Manual V1.03:
CRP5 Clean Room Panel
Document title
Modbus Manual for Clean Room Panel CRP5
This manual is for persons who will use the Clean Room Panel Modbus protocol. It describes how
messages are constructed and how transactions take place using Modbus protocol.
© 2018- Rotronic AG
Modbus Manual Version 1.03
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
Page
1 of 42
Modbus CRP5V1.0_03
Document Type

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Summary of Contents for Rotronic CRP5

  • Page 1 Document title Modbus Manual Version 1.03 Modbus Manual for Clean Room Panel CRP5 This manual is for persons who will use the Clean Room Panel Modbus protocol. It describes how messages are constructed and how transactions take place using Modbus protocol.

  • Page 2: Table Of Contents

    Data only for internal use ............. Fehler! Textmarke nicht definiert. 2.5.1 Internal Data (for Rotronic-internal use only)....... Fehler! Textmarke nicht definiert. 2.5.2 DAC Data Settings (for Rotronic-internal use only) ..... Fehler! Textmarke nicht definiert. Device Specific Holding Registers ....................19 2.6.1 Value Type ..........................19 2.6.2...

  • Page 3: Modbus Protocol

    (http://modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf). Attention! Changes to register content (especially Holding Registers) in the CRP5 can change the functionality of the CRP5. This may cause the CRP5 to become inoperable. Changes of register contents should only be made with the necessary knowledge of the Modbus protocol.

  • Page 4: Modbus Data Format

    S – Sign E – Exponent M - 23 bit Mantissa 32-bit Float for Rotronic Modbus Devices The 32-Bit Float value is represented by two 16-bit registers. The 4 Bytes have to be mapped to the Modbus address range as shown below...

  • Page 5: Selectable Swap Modes For Rotronic Devices

    CRP5 Clean Room Panel Document Type Page 5 of 42 Document title Selectable Swap Modes for Rotronic Devices 1.2.4 Selectable swap modes (see Device Settings -> Modbus Operation Mode) only for 32-bit Float and 32-bit Integer values based on Little Endian memory organisation.

  • Page 6: Crp5 Modbus Fields And Mapping

    With Modbus Coils you can get the state of one or more coils or activate/deactivate one or more coils. Assisted Modbus commands are Read Coils (0x01), Write Single Coil (0x05) and, for the CRP5, in some cases Write Multiple Coils (0x0F).

  • Page 7: Valves A To D

    Calibration Back/Front Access: Calibration can either occur on the front or back inputs of the differential pressure sensor – never set both calibration access points, front and back the same time. There are 3 possibilities to access the differential pressure sensor of the CRP5 (see below). © 2018- Rotronic AG...
  • Page 8 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 8 of 42 Document title Front or Back Access Fixed Front + Access Fixed Front - Access © 2018- Rotronic AG...

  • Page 9: Sensor Actions

    Differential Pressure Reset Adjustment: The adjustment parameters determined during the production of the CRP5 will be restored. Acquire Humidity Data: By starting this action, the CRP5-probe will be adjusted to a reference humidity value. This reference humidity in the unit of the applied reference must be entered in the appropriate reference register (see Reference Value Settings ->...

  • Page 10: Device Actions

    10 of 42 Document title Adjust Temperature Data: By starting this action, the CRP5-probe will be adjusted to a reference temperature value. This reference temperature in the unit of the applied reference must be entered in the appropriate reference register (see Reference Value SettingsReference Value Settings ->...

  • Page 11: Example: Read Single Coil

    8 to 15 will give back 2 bytes (16 coils) etc. Quantity of coils 0x0007 (maximal value for CRP5 0x003f = 63 ≙ 8 bytes) = 1 ≙ N, means quantity of coils / 8, if the remainder Byte count 0x01 is different of 0 =>...

  • Page 12: Example: Write Single Coil

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 12 of 42 Document title Example: Write Single Coil 2.2.7 2.2.7.1 Set State of Relay 2 RTU Example: Transmit 01 05 00 01 ff 00 dd fa...

  • Page 13: Example: Reset Device

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 13 of 42 Document title = 1 ≙ N, means quantity of coils / 8, if the remainder Byte count 0x01 is different of 0 =>...

  • Page 14: Device Specific Discrete Inputs (Read Only)

    14 of 42 Document title Device Specific Discrete Inputs (read only) With Modbus Discrete Inputs you can get the state of the digital inputs of the CRP5. Assisted Modbus command is Read Discrete Input (0x02). Digital Inputs 1 and 2 2.3.1...

  • Page 15: Device Specific Input Registers (Read Only)

    Document Type Page 15 of 42 Document title Device Specific Input Registers (read only) With Modbus Input Registers you can read some device specific data of the CRP5. Assisted Modbus command is Read Input Registers (0x04). Device Data 2.4.1 CRP5-specific data.

  • Page 16: Current Values: Float Values

    State of Relays and Valves: Shows the current state of the relays and valves. Current Values: Float Values 2.4.2 Current values in 32-bit IEEE754 float format of all CRP5 sensors, updated every measurement cycle (see “Holding Registers” -> “Device Settings” -> “Measurement Interval”). © 2018- Rotronic AG...

  • Page 17: Current Values: Integer Values

    Current Values: Integer Values 2.4.3 Current values in 16-bit integer format of all CRP5 sensors, updated every measurement cycle, which means all every second. The current values are the result of the reduction to 16-bit values of the multiplication of the current 32-bit...

  • Page 18: Fda Data

    FDA ID Properties: If you change the device properties or set the offset/gain of the differential pressure over the menu of the CRP5 or Modbus, the date and ID of the FDA-fields Diffp. Adjust (User) and Properties would be changed. Date Change in the CRP5-menu 0, representing 1.1.1970...

  • Page 19: Example: Read Input Register

    Multiple Registers (0x10). Attention! Changes to register content in the CRP5 can change the functionality of the CRP5. This may cause the CRP5 to become inoperable. Changes of register contents should only be made with the necessary knowledge of the Modbus protocol.
  • Page 20 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 20 of 42 Document title Mixing Ratio Saturation Vapour Concentration Vapour Partial Pressure Vapour Saturation Pressure Description of the Analog Input 1 type 40’002...

  • Page 21: Value Unit

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 21 of 42 Document title Value Unit 2.5.2 Select the unit shown on display for the different sensors and calculation values.

  • Page 22: Integer Value Scaling

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 22 of 42 Document title Integer Value Scaling 2.5.3 Selection of the scaling factor of the current values for data conversion float to integer. Scaling factor should be between 1 and 1000.
  • Page 23 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 23 of 42 Document title  Filter for the Differential Pressure 44’104 Differential Pressure Filter  0 <= filter <= 10...

  • Page 24: Device Descriptions

    Note! Repeat time is minimal 1 minute, maximal 2 minutes. Menu Protection: If set, it is not possible to select the menus of the CRP5. Only the first menu Device Informations of the CRP5 is reachable. Device Descriptions 2.5.6 Name for the different parts of the device, which is clearly related with its function.
  • Page 25 44’247 “!*  Description relay 6 (part 6 – char. 11 & 12) 44’248 “!*  Description CRP5 probe (part 1 – char. 1 & 2) 44’249 “!*  Description CRP5 probe (part 2 – char. 3 & 4) 44’250 “!*...

  • Page 26: Fix Value Settings

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 26 of 42 Document title  Description digital input 1 (part 5 – char. 9 & 10) 44’271 “!*  Description digital input 1 (part 6 – char. 11 & 12) 44’272...

  • Page 27: Analog Output Settings

    It is not possible to verify the value, written to this register! Analog Output Settings 2.5.8 The CRP5 can provide up to four analog output signals. The analog signal type can be set individually to every analog output. Register Name...
  • Page 28 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 28 of 42 Document title Digital Input 2 Select Output Range Output Range 0…1V Output Range 0…5V 44’502 Output Range Analog Output 1 Output Range 0…10V...

  • Page 29: Display Settings

    0 [Pa] is shown on the analog output as a value of 3.333 [V]. Calculation: Display Settings 2.5.9 Adjustments to the CRP5 display concerning appearance and content can be configured. Register Name Flags Description  Not yet used, undefined 44’601...

  • Page 30: Alarm Settings

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 30 of 42 Document title  Pixel Color (see Example Colors) 44’610 Pixel Color  Pixel Color Alarm (see Example Colors) 44’611...
  • Page 31 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 31 of 42 Document title  Alarm value humidity high (part 1) 44’710 !&* Humidity High  Alarm value humidity high (part 2) 44’711...

  • Page 32: Relay Settings

    2.5.11 Settings of Relays for all Sensors. IMPORTANT: In order to make use of the CRP5 relay outputs, you must first enable the alarm function for each of the parameters that you want to monitor and also define out-of-limit values.
  • Page 33 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 33 of 42 Document title Select Alarm Source 44’8017 Relay 5: Alarm Source Same as for Relay 1 Select Alarm Off 44’818...

  • Page 34: Analog Input Settings

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 34 of 42 Document title Analog Input Settings 2.5.12 Voltage or current type Analog Input 1/2. The maximum detectable voltage range is 0…3300 mV, the maximum detectable current range 0…27 mA.
  • Page 35 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 35 of 42 Document title Value Unit) is empty the following automatic unit will be used: Analog Input x Select...
  • Page 36 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 36 of 42 Document title Value Unit) is not empty, e.g. set to [ppm], the unit in the field Analog Input Unit x will be used, in this case [ppm].
  • Page 37 D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 37 of 42 Document title Example voltage measurement: With a changed input range and a scaled output range, the input and the output ranges can be adapted to the customer's needs.
  • Page 38 Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 38 of 42 Document title Value Unit -> Analog Input 1/2 Unit to [ppm]). Example current measurement: With a changed input range and a scaled output range, the input and the output ranges can be adapted to the customer's needs.

  • Page 39: Ethernet Settings

    Ethernet Settings 2.5.13 It is possible to enter the IP address of the CRP5, the Subnet mask and the Gateway IP-address to make the CRP5 accessible from inside and outside of the existing LAN. In case of the factory Ethernet setting of the CRP5 does not fit the existing LAN infrastructure, the easiest method to configure these settings by communication via Rotronic Service interface.

  • Page 40: Example: Read Holding Register

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 40 of 42 Document title Example: Read Holding Register 2.5.14 2.5.14.1 Read Display Settings (Registers 44'602 to 44'607) RTU Example:...

  • Page 41: Example: Write Holding Register

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 41 of 42 Document title Example: Write Holding Register 2.5.15 2.5.15.1 Write Display Settings (Registers 44'602 to 44'607) RTU Example:...

  • Page 42: Document Releases

    Rotronic AG D-M-CRP5-MODBUS-V1_03 Bassersdorf, Switzerland Document code Unit Modbus Manual V1.03: Instruction Manual CRP5 Clean Room Panel Document Type Page 42 of 42 Document title Document Releases Release Software Ver. Date Notes 30.07.2015 Original release 03.01.2018 Updated 31.01.2018 Examples and more information included ©...

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