Page 6
NOTE Non-compliance with the instruction manual Sigrist-Photometer AG accepts no liability for damage resulting from non-compliance with the operating instruc- tions. Storage of the instruction manual The instruction manual is an integral part of the unit. It must be available to staff at all times.
Page 7
The menu function currently described is read-only. «Menu» Menu «Menus» or «functions» included in the software. [Ok] Button Buttons used to navigate the Sigrist web interface. Device-specific Placeholder Serves as a placeholder for an unspecified, changing term. 7 / 62...
Page 8
The device is not installed, set up or transported properly. The device is not installed and operated according to the operating instructions. The device is operated with accessories that are not expressly recommended by Sigrist-Photometer AG. Improper modifications are made to the device.
Page 9
Your Safety Residual risks The device has been built in accordance with the applicable standards and the recognised safety rules and corre- sponds to the state of the art. However, according to the risk assessment of the applied safety standard DIN EN 61010-1, injuries to persons, damage to the device or material damage to the infrastructure cannot be completely ruled out during use.
Page 10
Service voltage Power Date of manufacture Certificates Link to documentation (10) Manufacturer Scope of supply and accessory parts The scope of delivery can be found in the sales documents. The accessory parts are available online. https://www.sigrist.com/en/Turbidity-Meters-Analyzers-Liquid/TurbiGuard- AD-40/Parts 10 / 62...
Page 11
Mounting Mounting General information on mounting Use detailed dimension drawings for mounting the photometer and control unit. Distance of photometer to interfering light sources > 2 m. Prevent the formation of gas bubbles on the sensor head by using a suitable installation position. Distance of photometer from cable bends and elements that change the cross-section > 1 m.
Page 12
Mounting ® Fitting in VARINLINE connection Mount photometer (1) including seal (6) with clamp ® ring (2) on the VARINLINE connection. Mount sealing plate (4), including seal (5) with clamp ® ring (3) to the VARINLINE connection. 12 / 62...
Page 13
Electrical installation Electrical installation DANGER Danger due to improper connection of the operating voltage. Improper connection of the electrical service voltage can be life-threatening. The system can also be damaged in the process. Connection must be carried out by a specialist in accordance with local regulations. Install a disconnecting device near the power supply to disconnect the device from the mains.
Page 14
Electrical installation 6.2.2 EG_IO Male (A) (A) M12 8-pin plug A Coded Function Designation Plug-in connector pin no. Colour white 24 V 24 V brown RS485 Modbus RTU Configurable with or without 120 Ω termination. Function Designation Plug-in connector pin no. Colour blue grey Digital input 5-28 VDC Function...
Page 15
Electrical installation Wiring diagram EG_IO 6.2.3 EG_PoE PoE (802.3af, class 0) Cable characteristics: Cat. 6, STP, AWG 24/7, TIA-568A. Fast Ethernet 100Base_T supported Available web services: Web server, Modbus TCP Female (A) M12 4-pin socket D coded Function Plug-in connector pin no. Colour Yellow white...
Page 16
Electrical installation 6.2.4 EG_Profibus Female (A) A B C Male (B) Male (C) (A) M12 5-pin socket B Coded Function Plug-in connector pin no. Colour brown PB_A white blue PB_B Black (B) M12 5-pin plug B Coded Function Plug-in connector pin no. Colour brown PB_A...
Page 17
Electrical installation Connection at a distance With the standard cable (0.2 mm ) maximum distances of 100 m are possible. For longer distances, the cable cross-section must be increased so that the cable resistance does not exceed 10 ohms. 17 / 62...
Page 18
(2). If there is no activity, the display switches to the default display after one minute. The content depends on the device configuration. Example: SIGRIST-Webinterface The content depends on the device configuration. Example: (1) Menu settings (2) Status (3) Current measured values...
Page 19
Commissioning Commissioning Ensure correct mounting and electrical installation. Ensure that the process line is filled with sample medium. Establish service voltage. w Start screen appears. Rotate display if necessary Tap the rotary symbol (1). w Display rotates by 90°. Repeat until the display is in the correct position. Activate WiFi access point Navigate to «WiFi Access Point».
Page 20
Open Internet browser (e.g. Chrome, Safari). Enter the displayed URL (192.168.10.1). w Login screen appears. Alternatively, access URL with QR code. Log in to Sigrist-Webinterface Log in without password with [Sign in] . For detailed information, see instruction manual. 20 / 62...
Page 21
Settings Settings Displays on the photometer Navigation is carried out using swipe gestures. Navigation aids are located at the bottom and on the left. If there is no activity, the display switches to the standard display after one minute. Welcome Measure Hotspot Com.
Page 22
Settings 9.1.1 Menu 0: Start display Start display (1) Symbol for rotating the display (2) Software version 9.1.2 Menu 1: Measurement displays Measuring mode Measuring mode Channels with current measuring values Humidity in the device Temperature in the device 22 / 62...
Page 23
Settings Fault Side bars are coloured red. Fault indication in the display Measuring value at 0. Warning Side bars are coloured yellow. Warning indication in the display Limit values exceeded/not reached Side bars are coloured white. Indication in the display which channels have ex- ceeded/fallen below the limits.
Page 24
Settings Pause (service mode) If the device is operated in service mode, this is shown on the measurement display. Side bars are coloured grey. Pause status is displayed. WLAN base station active If the WLAN base station (for connection with mobile de- vice) is activated, this is shown on the measurement dis- play.
Page 25
Settings Logger active Side bars are not coloured. Logger is activated. Graphic display Measurement info Time period: Function of how the measuring value is displayed. Measuring value display with three time periods: 1 hour/1 day/7 days Channel name with measuring value, unit and dis- played measuring range.
Page 26
Settings 9.1.4 Menu 3: Communication module LT module: Module status: Grey → Inactive/Blue → Active in idle mode/Green → Active/Red → Error Assigned function: Can be parametrised IO module: Module status: Grey → Inactive/Blue → Active in idle mode/Green → Active/Red → Error Assigned function: Can be parametrised PoE module: DHCP: On/Off Assigned IP address Gateway address...
Page 27
Module status: Grey → Inactive/Blue → Active in idle mode/Green → Active/Red → Error DHCP: On/Off Assigned IP address MAC address Station name of the device Transparent Ethernet: 1: Sigrist web server/0: Web server of gateway module Profibus DP module: Module status: Grey → Inactive/Blue → Active in idle mode/Green → Active/Red → Error Slave no.
Page 28
Settings 9.1.5 Menu 4: Information System info Device type Serial number Designation of the measuring station/device Oper. hours: Operating hours (h) Software version: Main controller Communication controller Sensor controller ****-*** *.*.** ***.***.** Status Fault/warning code Error/warning message QR code for fault description Contact information For display customisation, see System menu.
Page 29
9.1.6 Menu 5: Quick menu The most important functions can be set directly on the photometer in the integrated quick menu. More detailed functions are set at Sigrist-Webinterface [} 30]. Quick menu overview Access to the quick menu On delivery, the access code is "0". This should be ad- justed after initial commissioning in the menu «Simple...
Page 30
Sigrist-Webinterface 9.2.1 Homepage After logging in, the Sigrist-Webinterface appears in measuring mode. The content depends on the device configuration. Example: (1) Open menu (2) Start menu (3) Settings for the photometer Simple [} 37]/Advanced...
Page 31
Settings 9.2.2 First steps Open menu (1). Select «language» (2). Select [settings] (3). w The Simple Configuration Mode appears(Ad- vanced Configuration Mode (5)) 31 / 62...
Page 32
Orientation of the display. «Access code» Enter access code (numbers only). Used to protect against unauthorised access. «Designation» Enter the name of the measurement point identification in the Sigrist-Webinterface (max. 13 characters). 9.3.1.1 EG_LT communication module Only available with communication module EG_LT.
Page 33
Settings 9.3.1.2 Communication module EG_IO Only available with communication module EG_IO. Parameter Values Default value «Function» Connection to SICON/SiDis 0/4...20 mA output *) Own settings Select parametrisation templates: Connection to SICON/SiDis: IO 1: RS485 A IO 2: RS485 B IO 3...6 Inactive 0/4...20mA Outputs_ [} 33]: IO 1: Digital output - warning, error, priority IO 2: Digital output - Inactive...
Page 34
Settings Parameter Values Default value «Measuring range n» -5000...1E9 Log: 0...3/Lin: 0...100 Set from...to values of the measuring range. 9.3.1.3 Communication module EG_PoE Only available with EG_PoE communication module. Parameter Values Default value «DHCP» On/Off Automatic assignment of IP addresses. DHCP On: Assigned IP address, gateway address and subnet mask are displayed.
Page 35
Enter DNS server address. Appears if DHCP is set to Off. «Profinet transparent mode» On/Off On: SIGRIST web server and Modbus TCP can be accessed via Profinet connection. Off: Web server of gateway module (HMS) is accessible. NOTICE! Automatically set to "On" after device startup.
Page 36
Settings Parameter Values Default value «Adjustment» Trigger... Triggers the adjustment. Calculates a new correction factor from the actual and nominal values. «Act.corr» 0,500...2000 1,000 Specifies the current correction factor, which corrects the deviation from the factory calibration. 9.3.4 Menu: History History\ Fault Parameter Values...
Page 37
Settings Parameter Values Default value «Version Web» Software version of the interface for the Sigrist-Webinterface. «Update firmware» [Check online] [Select file...] [Upload & update] Check online: With an Internet connection, it is possible to check whether new software is available. A valid DNS server address must be available in the communication module.
Page 38
Settings Parameter Values Default value «Max. value» 20...21 mA 21 mA Set the highest possible current value at the measured value output. Current values above 20.0 mA correspond to more than 100% measured value of the current measuring range. «If fault» 0...4 mA 2 mA Set the current value to be output in the event of an error (only relevant for current range 4...20 mA).
Page 39
Settings Parameter Values Default value «Mode» Inactive/exceeded/below Inactive Set whether the limit value function is inactive or should react to undercutting or exceeding the limit value. «Upper limit» 0...999999 1,000 Set upper limit value. «Lower limit» 0...999999 0,900 Set lower limit value. «Cut in delay»...
Page 40
Settings Parameter Values Default value «For service» 0 Value/Last value Last value Set the measured value output in service mode. «Max. value» 20...21 mA 21 mA Set the highest possible current value at the measured value output. Current values above 20.0 mA correspond to more than 100% measured value of the current measuring range.
Page 41
Settings Digital output (high-side switch – max. 20 mA) Parameter Values Default value «Digital output» Inverse/prioritised error/error/warn- Prioritised error/error/warning ing/service/calibration/sensor check/ humidity/limit value When an event occurs, a signal is output to the correspondingly configured IO. If several functions are selected for an output, they are linked with a logical OR, i.e.
Page 42
Settings «Lower limit» 0...999999 0,900 Set lower limit value. «Cut in delay» 0...60000 Enter the cut-in delay for the respective limit value channel. «Cut-out delay» 0...60000 Enter the cut-out delay for the respective limit value channel. 9.4.3 Menu: IO module EG_PoE See communication module EG_PoE [} 34] 9.4.4...
Page 43
Settings Parameter Values Default value «DHCP» On/Off Automatic assignment of IP addresses. DHCP On: Assigned IP address, gateway address and subnet mask are displayed. DHCP Off: Enter IP address, gateway address, subnet mask and DNS server manually. «Set up» [Start...] Device-specific Select network and enter password.
Page 44
«OTA update sends extended di- On/Off agnostic data» During an online firmware update, operating hours, temperatures, voltages, light source intensities and the error history are transmitted. «Contact information» Sigrist-Photometer AG Enter line 1 of the contact information (max. 47 characters). 44 / 62...
Page 45
Enter line 2 of the contact information (max. 47 characters). «Contact information» +41 41 624 54 54 Enter line 3 of the contact information (max. 47 characters). «Contact information» info@sigrist.com Enter line 4 of the contact information (max. 47 characters). 9.4.12 Menu: Meas. Channels Meas. Channels\Channel K1...Kn...
Page 46
Settings 9.4.15 Menu: History See Simple parameterization mode/Menu: History [} 36] 9.4.16 Menu: System info See Simple parameterization mode/Menu: System info [} 36] Field bus 9.5.1 General requirements The computer or the control system must be compatible with the bus system Modbus RTU/TCP, Profibus DP or Profinet IO.
Page 47
Settings Register Address Data type Function Values 30003 0x0002 Real 32-bit Intel single precision bits Measured value 15...0 Channel 1 30004 0x0003 Real 32-bit Intel single precision bits 31...16 30005 0x0004 Real 32-bit Intel single precision bits Measured value 15...0 Channel 2 30006 0x0005...
Page 48
The data is divided into 15 input and 3 output modules. Only the first two modules are required for the basic func- tionality. The individual modules can be omitted and assigned to any slots. The implementation is identical for all Sigrist devices. Depending on the device type, not all data is used. Module table...
Page 49
Settings Module name Data type Byte size In/Out Description Min. Max. Byte Heater set point Byte Heater max. value Byte LV1...4 Cut-in delay Byte LV1...4 Cut-out delay Byte LV5...8 Cut-in delay Byte LV5...8 Cut-out delay Byte GW hysteresis *) Config Limits In 8xReal Limit value 1...8 Config Limits In...
Page 50
CAUTION Unit damage due to lack of maintenance Lack of or inadequate maintenance as well as the use of non-original Sigrist spare parts may damage the device and lead to measurement errors. Always carry out servicing work according to the servicing schedule.
Page 51
Servicing For applications outside the food industry, the cleaning interval must be adapted to the medium. 10.3.1 Clean sensor head WARNING! Do not remove the photometer without first draining the process line! Dismantling the photometer. Clean the sapphire window (1) with a mild, abrasive- free cleaning agent (e.g.
Page 52
Do not remove the photometer without first draining the process line! Remove photometer (1) and sealing plate (3). Replace seal (2) on the sensor head. Replace seal (4) on sealing plate (3). photometer (1) and sealing plate (3). 10.6 Spare parts Spare parts are available online. https://www.sigrist.com/en/Turbidity-Meters-Analyzers-Liquid/TurbiGuard- AD-40/Parts 52 / 62...
Page 53
Troubleshooting Troubleshooting 11.1 Isolate faults Malfunction Measure No display Check service voltage. Error message in display Analyse error message (Warning/error/priority messages). Measured value seems wrong Ensure correct operating conditions of the sample medium. Check calibration. Check correct mounting. Ensure that servicing duty has been carried out correctly. Perform sensor check.
Page 54
Troubleshooting 11.2 Warning/(Prio) error messages In the event of a malfunction, either the measurement monitor with error message (1) or a corresponding status signal (2) is displayed, depending on the setting. Warning messages System remains in operation. Evaluate measurement results with caution. The warning disappears after the cause has been rectified.
Page 55
Troubleshooting Code Message Cause Remedy OVERTEMP Temperature in the device has ex- Check medium and ambient tem- ceeded 69 °C perature and adjust if necessary Repair or install cooling system HUMIDITY Relative humidity in the device Replace desiccant above the set limit value Replace housing seal Localise leaks and rectify defect CURRENT 1...8...
Page 56
Troubleshooting Code Message Cause Remedy CRC EXPERTS An error was detected during the Defective electronics check of the expert data. Contact service engineer CRC USER An error was detected when Defective electronics checking the user data Contact service engineer CRC DISPLAY An error was detected when Defective electronics checking the display data...
Page 57
Specification sheet Specification sheet Photometer Values Service voltage 24 VDC ± 10 % (EG_PoE according to standard) Power input Max. pressure 1 MPa (10 bar) / 100 °C Medium temperature -10...+100 °C ...85 °C at ambient temperature 55 °C ...75 °C at ambient temperature 60 °C 120 °C max. 2 h Ambient temperature -10...+50 °C Ambient humidity...
Page 58
Max. 4 digital outputs: High-side switch max. 20 mA Max. 4 power output terminals: 0/4...20 mA, max. 700 Ohm Modbus RTU Ethernet LAN connection with Power over Ethernet: SIGRIST web user interface Modbus TCP Ethernet according to 10/100BaseT PoE according to 802.3af, class 0...
Page 59
Returns Returns Returns to the appropriate country representative For all devices and spare parts that are returned, a completed RMA form must be sent to the responsible Sigrist- Photometer AG country representative (RMA form 14711D can be downloaded from www.sigrist.com...
Page 60
Decommissioning/storage Decommissioning/storage Prepare components for storage The aim of decommissioning is to prepare the individual components of the unit properly for storage. Dismantling the photometer. Clean sensor head. Check desiccant and replace if necessary. Ensure that all openings on the device are sealed. Storing the components Ensure that the following conditions are met for storage: The components contain electronic parts.
Page 61
Disposal Disposal The components must be disposed of in accordance with regional legal regulations. The components do not have any radiation sources that are harmful to the environment. The materials used must be disposed of or reused in accordance with the following table: Category Materials Disposal option...
Page 62
Your service partner Sigrist-Photometer AG Hofurlistrasse 1 CH-6373 Ennetbürgen Tel. +41 (0)41 624 54 54 www.sigrist.com info@sigrist.com 16794E | V1 | 05-2025...
Need help?
Do you have a question about the TurbiGuard AD 40 and is the answer not in the manual?
Questions and answers