Combined pressure, humidity and temperature transmitter (190 pages)
Summary of Contents for Vaisala Indigo 202
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M211966EN-A User Guide Indigo ™ 202 Digital Transmitter Indigo 202...
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This product contains software developed sold or disclosed to a third party without by Vaisala or third parties. Use of the prior written permission of the copyright software is governed by license terms and holder. Translated manuals and translated...
Chapter 1 – About This Document 1. About This Document 1.1 Version Information This document provides detailed instructions for using and maintaining Vaisala Indigo ™ 202 digital transmitter. Table 1 Document Versions Document Code Date Description M211966EN-A May 2017 First version of the document.
M211966EN-A Tip gives information for using the product more efficiently. 1.4 Trademarks Vaisala â is a registered trademark of Vaisala Oyj. Indigo ™ is a trademark of Vaisala Oyj. Chrome ™ is a trademark of Google Inc. Firefox â is a registered trademark of Mozilla Foundation.
(IEEE 802.11 b/g/n WLAN). The Indigo 202 transmitter is designed for digital output applications. The transmitter's output options include RS-485 Modbus RTU and 2 programmable relays. For more information on Indigo transmitter models, see www.vaisala.com/indigo.
2.2 Indigo 202 Basic Features and Options • All Vaisala Indigo-compatible probes can be connected to all Indigo transmitter models • Wireless configuration interface: connect to the scalable browser-based UI of Indigo 202 to change probe and transmitter settings, view measurements, and review probe and transmitter status •...
Top cover of the transmitter: display, circuit board and connector pins Transmitter base: input and output wiring (screw terminals), mounting base CAUTION! Only use Vaisala Indigo-compatible probes with the transmitter. Attempting to connect incompatible probes or probe cables can damage the equipment. More Information ‣...
Indigo 202 User Guide M211966EN-A 2.5 Indigo Display Indigo transmitters use a 3.5” TFT LCD color display for displaying notifications, status information, and measurement data. hPa | Pressure Figure 4 Indigo Display with One Parameter Figure 5 Indigo Display with Relays, Three Parameters and WLAN Notification...
Chapter 2 – Product Overview The Indigo display can be configured to show 1-3 measurement parameters. Information about the transmitter and connected probe (for example, notifications and warnings) is shown on a message row at the bottom of the display. Relay and wireless access point activity is also shown on the display.
Indigo 202 User Guide M211966EN-A 2.6 Wireless Configuration Interface Overview Indigo transmitters are configured using a wireless browser-based configuration interface (requires a mobile device or computer with IEE 802.11 b/g/n WLAN wireless connectivity). In addition to probe and transmitter configuration and calibration, you can also use the wireless interface to view measurement data and status information.
Chapter 3 – Installation 3. Installation 3.1 Mounting 1. Open the 4 screws on the transmitter cover and pull the cover off the base. CAUTION! To avoid damaging the connector pins of the transmitter, pull the transmitter cover off the base in a straight angle. Do not twist or bend. 2.
Serial No. SX12345678 A. Relay RS485 B. Relay Figure 8 Indigo 202 Transmitter Base Main Parts and Screw Positions Probe and probe cable connector inside the locking wheel Wireless (WLAN) configuration interface activation button Wiring from the back: cut open the seal...
Chapter 3 – Installation 3.3 Wiring Options You can wire an input/output cable either through the opening on the back of the transmitter, or through the rubber lead-through on the bottom of the transmitter. Ø 7 ... 8 mm Figure 9 Indigo Wiring Options Wiring from the back: cut the seal open Wiring through the rubber lead-through on the bottom of the transmitter 1.
Indigo 202 User Guide M211966EN-A 3.4 Attaching Probes and Cables Figure 10 Attaching Probes and Cables to Indigo Insert probes into the probe connector with the orientation mark facing out. Probes are locked in place with the locking wheel. Never turn from the probe body.
Probe connector M12/5 connector for probe or probe cable connection (Vaisala Indigo-compatible probes) Cable feed throughs 2 options: rubber lead-through on the bottom of the transmitter, and opening with a seal at the back of the...
OFF ON RS485 TERMINATION OFF ON Figure 11 WLAN and RS-485 DIP Switches on Indigo 202 Circuit Board WLAN functionality OFF or ON RS-485 termination OFF or ON To switch WLAN or RS-485 termination OFF or ON with DIP switches: 1. Power off the transmitter.
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Chapter 3 – Installation 2. Open the transmitter cover. CAUTION! To avoid damaging the connector pins of the transmitter, pull the transmitter cover off the base in a straight angle. Do not twist or bend. 3. Use a small screwdriver or a similar tool to change the position of the WLAN (1) or RS-485 termination ON/OFF (2) DIP switches.
Chapter 4 – Wireless Configuration Interface 4. Wireless Configuration Interface 4.1 Wireless Interface Menus Figure 12 Wireless Configuration Interface, Desktop Browser View Measurements: displays the measurement data of the connected probe Status: contains information about the status of Indigo and the connected probe (for example, notifications and alarms) Calibration: calibrate and adjust probes using references.
Chapter 4 – Wireless Configuration Interface 4. When you have established a connection, open your browser. Depending on your browser and system, you are either directed to the wireless configuration interface's login screen, or you may need to: a. open a new browser tab or window, or close and restart your browser, if the browser was already open when you connected to Indigo's access point.
Indigo 202 User Guide M211966EN-A 4.3 Logging in to Wireless Configuration Interface Figure 14 Indigo Login View When you open Indigo's wireless configuration interface in your browser, you are prompted to log in. There are 2 available user levels: • User: view-only access available for all users. Does not require a password.
Chapter 4 – Wireless Configuration Interface 4.3.1 Changing User Level A link that allows logging in with a different user level is included in the upper right corner of all menu views. The text of the link shows the current user level. Figure 15 User Level (User/Admin) in Upper Right Corner of Menu View Current user level (User/Admin): select the text or icon to log in with a different user level...
Indigo 202 User Guide M211966EN-A 3. In the User Access section, enter the new password (max. 25 characters) in the Administrator Password field. 4. The new password is saved when you tap or click outside the text field, and is in use at the next login.
Chapter 4 – Wireless Configuration Interface 4.4 Measurements View Figure 16 Measurements View (Desktop Browser) The Measurements view shows the measurement data from the connected probe in numeric and graph format. When you log in to Indigo, the wireless configuration interface opens in this view.
Indigo 202 User Guide M211966EN-A 4.5 Status View Figure 17 Status View (CO Probe Example, Desktop Browser) The Status view shows the transmitter status, general information about the Indigo transmitter, and the status of the relays A and B. 4.5.1 Status View: General The General section of the Status menu shows general information about the transmitter and the connected probe.
Chapter 4 – Wireless Configuration Interface • Indigo Status: shows the current status of the transmitter. Errors and notifications are displayed here. • Indigo Serial Number: the transmitter's serial number. • WLAN Access Point Name: the network name (SSID) of the transmitter. Can be configured in the Settings menu.
Indigo 202 User Guide M211966EN-A 4.6 Calibration Menu Figure 18 Calibration Menu (CO Probe Example, Desktop Browser) In the Calibration menu, you can calibrate and adjust the measurement of the probe connected to the transmitter with the help of references such as calibration gases that have a known concentration.
Chapter 4 – Wireless Configuration Interface 4.7.1 WLAN Settings • Mode: Select the timeout period for disconnecting the wireless configuration interface, or remove the timeout from use. • SSID: The network name that is used to identify the transmitter when connecting to it (default: Indigo_ID[xx]).
Indigo 202 User Guide M211966EN-A 4.7.3 Display Settings General display settings: • Brightness: set the brightness of the display (20%, 50%, 100% or off). • Mode: Select whether the display shows the measurement information in graph or numeric format. Graph view settings: •...
More Information ‣ Graph Display Mode (page 11) 4.7.4 Factory Reset Select Reset to restore the configuration of the transmitter to factory default settings. 4.7.5 License Information Select the View software licenses link to view information on Indigo 202 software licenses.
Indigo 202 User Guide M211966EN-A 4.8 Modbus Serial Communication Settings The Settings > Outputs menu of the wireless configuration interface contains the configuration options for Modbus serial communication. Protocol Modbus protocol options. The Modbus RTU protocol is in use by default.
Chapter 4 – Wireless Configuration Interface 4.9 Relay Settings The Settings > Relay menu contains the configuration options for controlling relays A and B. Both relays have the same configuration options (relay A example shown here). Output Mode Select whether the relay is activated when the measurement exceeds the set trigger, or when the measurement falls below the set trigger.
The PIN code is in place by default. The available options depend on the features of the connected probe. The examples here show the probe settings for Vaisala CARBOCAP â Carbon Dioxide Probe GMP251. General (All Probes) The Calibration PIN Code must be in place to enable probe calibration and adjustment in the Calibration menu.
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Chapter 4 – Wireless Configuration Interface Measurement (GMP251 Example) Filtering factor Defines how much past measurements affect the output (measurement averaging over time). For details, see probe documentation. Temperature Select whether the probe sensor's measurement or a manually compensation mode entered setpoint is used to set the temperature compensation.
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Indigo 202 User Guide M211966EN-A Compensation Power-up Defaults (GMP251 Example) The power-up default values are stored to the probe memory and remain in use also after you disconnect or reset the probe. Note that the environmental compensations you set in the Settings > Probe menu and the compensations you set in the Calibration menu are interconnected: the configuration set in either menu is applied to both.
Indigo 202 supports the Modbus RTU serial communication protocol (2-wire RS-485 interface). There are 2 groups of Modbus register addresses in use in Indigo 202: probe registers and Indigo registers. The probe registers are received from the connected probe, and are organized according to the probe's register map.
Indigo 202 User Guide M211966EN-A 5.1.1 Default Communication Settings Modbus communication settings can be configured in the Settings > Outputs menu. Table 4 Default Modbus Serial Communication Settings Description Default Value Serial bit rate 19200 Parity None Number of data bits Number of stop bits...
Chapter 6 – Configuring Relays 6. Configuring Relays 6.1 Relay Configuration Overview Indigo transmitters have 2 configurable relays (relay A and relay B). Both relays have configuration options for selecting the parameter that is used to control the relay, activation triggers, hysteresis, and error state behavior. Figure 19 Relay Configuration Options (CO Probe Example) Output Mode: Select whether the relay activates above or below a set value (or set the...
Indigo 202 User Guide M211966EN-A Relay State Information When one or both relays are enabled, the relay state (active/not active) is shown on the optional display. You can also check the status of the relays in the Status view of the wireless configuration interface.
Chapter 6 – Configuring Relays To define a single setpoint for relay activation: 1. Open the Settings > Relays menu in the wireless configuration interface. 2. In the Relays menu, select the relay activation mode from the Output Mode dropdown menu: a.
Indigo 202 User Guide M211966EN-A 3. Select the measurement parameter that is used to control the relay with the Parameter dropdown. 4. Set the unit of the measurement parameter with the Unit dropdown. 5. Enter the relay activation limit either to the Low Trigger Level or the High Trigger Level field: a.
Chapter 7 – Calibration and Adjustment 7. Calibration and Adjustment 7.1 Calibration Overview The Calibration menu of the wireless configuration interface contains options for calibrating and adjusting the measurement of the probe you have connected to the transmitter. You can also view the current adjustment and restore the probe's factory adjustments. Figure 21 Calibration Menu Main View Calibration tab Configuration tab...
The range of available options for certain parameters (for example, environmental compensations and the number of adjustment points) varies depending on the features of the connected probe. The menu examples presented here show the calibration options for Vaisala CARBOCAP â Carbon Dioxide Probe GMP252 (ppmCO measurement).
Chapter 7 – Calibration and Adjustment 7.1.2 Restoring Factory Adjustment Always restore factory adjustment before entering a new adjustment. This prevents any possible earlier adjustments having an effect on the new adjustment you make. To restore factory adjustment: 1. Connect to the wireless configuration interface and open the Calibration menu. 2.
Indigo 202 User Guide M211966EN-A 7.2 Environmental Compensation When making adjustments, you can enter information about the environment in which you perform the adjustment. This allows compensating for environmental factors that have an effect on the measurement (for example, temperature, pressure, or background gases). The selection of environmental compensations available in the Indigo calibration settings depends on the features and configuration of the connected probe.
Chapter 7 – Calibration and Adjustment Compensation Setpoints and Power-Up Defaults Figure 24 Compensation Setpoint and Power-Up Default Selection, CO Probe Example Environmental compensations can have interdependencies: for example, accurate RH measurement requires that also the temperature and pressure configuration match the measurement environment.
7.4 Diagnostics Tab The Diagnostics tab of the Calibration menu contains status and diagnostics codes. When carrying out diagnostics (for example, contacting Vaisala support), you can identify issues by referring to this information. In addition to the diagnostics information, this view also shows the environmental compensation values that are currently in use.
Chapter 7 – Calibration and Adjustment Figure 26 Diagnostics Tab, CO Probe Example 7.5 Configuration Tab The Configuration tab of the Calibration menu contains probe-specific configuration options and the environmental compensation options. Note that the probe configuration options available in this view are not always necessary for use with Indigo.
Indigo 202 User Guide M211966EN-A The information shown in this tab is probe-specific: the example here shows the configuration view for a CO probe. Figure 27 Configuration Tab, CO Probe Example More Information ‣ Environmental Compensation (page 48) 7.6 GMP252 Example: 2-point CO...
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Chapter 7 – Calibration and Adjustment To make a 2-point adjustment (GMP252 ppmCO example): 1. Connect to the wireless configuration interface and open the Calibration menu. 2. Start the calibration mode with the Start calibration button. If you cannot enter configurations after selecting Start calibration, check that the calibration PIN code is in place in the Settings >...
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Indigo 202 User Guide M211966EN-A 8. After you enter the reference value, the value of the Measured value, point 1 field updates automatically. 9. Place the probe in the second reference environment (adjustment point 2) and wait until the measurement has stabilized.
Chapter 8 – Maintenance and Troubleshooting 8. Maintenance and Troubleshooting 8.1 Cleaning You can clean the Indigo transmitter body by wiping it with a moist cloth. Standard cleaning agents can be used. Refer to the probe-specific cleaning instructions when cleaning the probe connected to Indigo.
Indigo 202 User Guide M211966EN-A Problem Possible Cause Remedy The Indigo access point does not Indigo access point is not enabled Switch off the Indigo WLAN show up in your device's list of or an error is has occurred. connection, enable the connection available WLAN connections.
Chapter 8 – Maintenance and Troubleshooting Depending on the current settings in your iPhone, you can connect to Indigo by either disabling the Auto-Login feature or with the Use Without Internet option. 8.3.1 Connection Option 1: Use Without Internet Activate Indigo's wireless (WLAN) configuration interface with the button on the bottom of the transmitter and select Indigo from your phone's list of available WLAN connections.
Indigo's default IP address 192.168.1.1 in the browser's address bar. 8.4 Display Messages The following table lists the display messages that Indigo 202 uses to inform you about the transmitter's state. In addition to the Indigo transmitter messages, the connected probes have probe-specific messages that are also shown on the display.
Chapter 8 – Maintenance and Troubleshooting Table 5 Indigo Transmitter Messages Shown on Display Error Message Description Recommended Action Errors Low supply voltage The supply voltage is below the The error clears when the supply minimum (range: 15 ... 30 VDC or voltage returns to the specified 20 ...
Probe connector M12/5 connector for probe or probe cable connection (Vaisala Indigo-compatible probes) Cable feed throughs 2 options: rubber lead-through on the bottom of the transmitter, and opening with a seal at the back of the...
7 ... 8 mm (0.25 ... 0.31 inch) cable gland strain relief) 9.2 Spare Parts and Accessories Information on spare parts, accessories, and calibration products is available online at www.vaisala.com and store.vaisala.com. Table 12 Spare Parts and Accessories Description Order Code Probe connection cable, 1 m...
Indigo 202 User Guide M211966EN-A 9.3 Dimensions (in mm) 135 mm 43 mm Secondary mounting option with 4 screws: designed for Würth 4.0×1.8 mm Plastofast (self-tapping screws for plastics). Hole depth 12 mm. 50 mm 25 mm 114 mm 2.5 mm...
“Vaisala” ProductCode Indigo 202 MajorMinorVersion Software version (for example “1.2.3”) VendorUrl “http://www.vaisala.com/” ProductName Indigo 202 Digital Transmitter SerialNumber Serial number of the device (for example “K0710040”) Calibration date Date of the factory calibration Calibration text Information text of the factory calibration A.2 Indigo Status Registers...
Indigo 202 User Guide M211966EN-A Table 15 Modbus Status Registers (Read-Only) Address Register Description Data Format Notes (Hexadecimal) E000 Status 16-bit 0 = Status OK 1 = Info 2 = Warning 3 = Error E001 Notification and error 16-bit Provides additional details on the...
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Appendix A – Modbus Reference Bit in E001 Meaning Notes 16 (0010 No measurement probe Probe not connected or Indigo cannot detect the probe. 32 (0020 Probe warning Connect to Indigo's wireless configuration interface and review the error information in the Status menu.
ES: Por la presente, Vaisala Oyj declara que el tipo de equipo radioeléctrico Indigo 202 es conforme con la Directiva 2014/53/UE. El texto completo de la declaración UE de conformidad está disponible en la dirección Internet siguiente: www.vaisala.com/indigo...
2014/53/UE. It-test kollu tad-dikjarazzjoni ta' konformità tal-UE huwa disponibbli f'dan l-indirizz tal-Internet li ġej: www.vaisala.com/indigo NL: Hierbij verklaar ik, Vaisala Oyj , dat het type radioapparatuur Indigo 202 conform is met Richtlijn 2014/53/EU. De volledige tekst van de EU-conformiteitsverklaring kan worden geraadpleegd op het volgende internetadres: www.vaisala.com/indigo...
Technical Support Contact Vaisala technical support at helpdesk@vaisala.com. Provide at least the following supporting information: • Product name, model, and serial number • Name and location of the installation site • Name and contact information of a technical person who can provide further information on the problem For more information, see www.vaisala.com/support.