HACH GS1440 Digital SC Gateway Instruction Manual

DOC273.99.80679
GS1440, GS2440EX Configuration with
SC Controller
05/2023, Edition 1 User Instructions

Section 1 Introduction

This document describes how to configure a GS1440 or GS2440EX sensor that is connected to a CDx440sc gateway and an SC Controller.

Section 2 Configure the sensor settings

Set the number of measurements used to calculate the average measurement shown on the display, date logging interval, a calibration reminder and H2S concentration warning limits.

1. For an SC200 Controller, do the steps that follow:
   a. Push the menu key.
   b. Select SENSOR SETUP > CONFIGURE.

2. For an SC1000 Controller, do the steps that follow:
   a. Select the Main Menu button from the pop-up toolbar.
   b. Select SENSOR SETUP > CONFIGURE.

3. For an SC4500 Controller, do the steps that follow:
   a. Select the main menu icon, then select Devices.
   b. Select the sensor and select Device menu > Settings.

4. Select an option.

(default: serial number of the gateway). Enter any combination of letters, numbers, spaces or punctuation.
Signal average (or SIGNAL AVERAGE)| Sets the number of measurements used to calculate the average measurement shown on the display and saved to the data log. Options: 1 (default) to 12 Note: The measurements are done at 5-second intervals.
Data logger interval (or LOG SETUP)| Liquid interval ( or LIQUID INTERVAL)—Sets the time interval at which liquid measurements (mg/L H2S) are saved to the data log (default: 5 minutes). Options: DISABLED or 5 seconds to 6 hours
Gas interval ( or GAS INTERVAL)—Sets the time interval at which air measurements (ppm H2S) are saved to the data log (default: 5 minutes). Options: DISABLED or 5 seconds to 6 hours
Temperature interval (or TEMP INTERVAL)—Sets the time interval at which temperature measurements are saved to the data log (default: 5 minutes). Options: DISABLED or 5 seconds to 6 hours
Calibration reminder (or CAL REMINDER)| Sets a reminder for the next calibration. Options: 1 to 90 days (default: 30). The reminder Calibration is due (or CALIBRATION DUE shows on the display after the selected interval.
Note: When a sensor calibration is done, set the Days since last calibration (or DAYS SINCE CAL) counter to 0 . Refer to Configure the calibration settings
on page 5.
HzS liquid limit (or H2S LIQUID LIMIT)| Sets the maximum value for liquid measurements (mg/L H2S). If a measurement is more than the maximum value, the warning “The H2S liquid measurement is above limit.” (or “LIQUID ABOVE LIMIT”) shows on the display. Options: 0.000 to
5.000 (default)
H₂S gas limit (or H2S GAS LIMIT)| Sets the maximum value for air measurements (ppm H2S). If a measurement is more than the maximum value, the warning “The H₂S gas measurement is above
limit.” (or “GAS ABOVE LIMIT”) shows on the display. Options: 0 to 1000 (default)
Reset (or SET DEFAULTS)| Sets the sensor settings back to the default settings.

Section 3 Configure the calibration settings

Set the output signals of the SC Controller (4–20 mA outputs and relays) during a sensor calibration.
Show the date and time of the last calibration.
When the sensor is calibrated, set the Days since last calibration (or DAYS SINCE CAL) counter to 0 days.

1. For an SC200 Controller, do the steps that follow:
   a. Push the menu key.
   b. Select SENSOR SETUP > CALIBRATE.

2. For an SC1000 Controller, do the steps that follow:
   a. Select the Main Menu button from the pop-up toolbar.
   b. Select SENSOR SETUP > CALIBRATE.

3. For an SC4500 Controller, do the steps that follow:
   a. Select the main menu icon, then select Devices.
   b. Select the sensor and select Device menu > Calibration.

4. Select an option.

(4–20 mA outputs and relays) during a sensor calibration.
Active—The instrument sends the current measured value during the calibration procedure.
Hold—The sensor output values are held at the last measured value during the calibration procedure.
Transfer—A preset output value is sent during calibration. Refer to the controller user manual to change the preset value.
Last calibration date (or LAST CAL DATE)| Show the date and time of the last calibration as saved in the gateway memory.
Days since last calibration (or DAYS SINCE CAL)| Shows the number of days since the last calibration.
Reset calibration (or RESET CAL)| Sets the Days since last calibration (or DAYS SINCE CAL) counter to 0 days.

Section 4 Troubleshooting

4.1 Diagnostics/Test menu
4.1.1 Show the sensor information
Show the sensor serial number, software version and hours of operation or reboot the sensor.

1. For an SC200 Controller, do the steps that follow:
   a. Push the menu key.
   b. Select SENSOR SETUP > DIAG/TEST.
   c. Select SENSOR DIAG.

2. For an SC1000 Controller, do the steps that follow:
   a. Select the Main Menu button from the pop-up toolbar.
   b. Select SENSOR SETUP > DIAG/TEST.
   c. Select SENSOR DIAG.

3. For an SC4500 Controller, do the steps that follow:
   a. Select the main menu icon, then select Devices.
   b. Select the sensor and select Device menu > Diagnostics/Test.
   c. Select Sensor diagnostics.

4. Select an option.

the sensor.
Model name (or MODEL NAME)| Shows the model name of the sensor.
Operating time (or ON HOURS)| Shows the total hours the sensor has operated.
Slope calibration date (or SLOPE CAL DATE)| Shows the date and time of the last calibration saved in the sensor memory.
Note: Due to time zone differences, the date and time shown can be different than the date and time shown on the Last calibration date (or LAST CAL DATE) screen of the Calibration (or CALIBRATE) menu.
Error code (or ERROR CODE)| For Service use only
Status (or STATUS)| For Service use only
Reboot sensor (or REBOOT SENSOR)| Reboots the sensor. Wait a minimum of 20 seconds for measurements to start again.

4.1.2 Show the gateway information
Show the gateway serial number and versions of software, code and driver. Show the manufacture date and the internal temperature of the gateway microprocessor.

1. For an SC200 Controller, do the steps that follow:
   a. Push the menu key.
   b. Select SENSOR SETUP > DIAG/TEST.
   c. Select GATEWAY INFO.

2. For an SC1000 Controller, do the steps that follow:
   a. Select the Main Menu button from the pop-up toolbar.
   b. Select SENSOR SETUP > DIAG/TEST.
   c. Select GATEWAY INFO.

3. For an SC4500 Controller, do the steps that follow:
   a. Select the main menu icon, then select Devices.
   b. Select the sensor and select Device menu > Diagnostics/Test.
   c. Select Gateway information.

4. Select an option.

number of the gateway).
Serial number (or SERIAL NUMBER)| Shows the serial number of the gateway.
Software version (or SOFTWARE VERS)| Shows the application code version installed on the gateway.
Software (or CODE VERSION)| Shows the boot code version installed on the gateway.
Driver version (or DRIVER VERS)| Shows the device driver version installed on the gateway.
Model name (or MODEL NAME)| Shows the model name of the gateway, “CDx440sc”.
Production date (or PRODUCT. DATE)| Shows the manufacture date of the gateway.
Internal temperature (or INTERNAL TEMPERATURE)| Shows the approximate internal temperature of the gateway microprocessor.
Error count (or ERROR CNT)| For Service use only

4.2 Error list
When an error occurs, the reading on the measurement screen flashes and all outputs are held when specified in the controller menu.
For the SC200 Controller, an exclamation mark shows on the screen. Push the enter key, then select the instrument. The errors, warnings and reminders for the instrument show on the display.
For the SC1000 Controller, a message window opens. Select CANCEL to save the message to the message list (or select ENTER to delete the message). To show the message list, select SENSOR DIAGNOSTIC > MESSAGE LIST.
For the SC4500 Controller, the screen changes to red. The diagnostics bar shows the error. Push on the diagnostic bar to show the errors, warnings and reminders.
A list of possible errors is shown in Table 1.
Table 1 Error list

Sensor failure! Contact technical support.
(or SERVICE SENSOR)| A sensor failure occurred.| Contact technical support to repair or replace the sensor.
Note: If the sensor is without power for 1 year or more, an internal battery failure can occur.
The calibration failed. (or CAL FAILURE)| The sensor calibration was not successful.| Refer to the calibration instructions supplied with the calibration cap and flow regulator. Make sure that all of the steps shown are completed as shown in the calibration instructions.
Sensor communication lost (or SENSOR COMM LOST)| The gateway is not able to communicate with the sensor.| Examine the sensor cables for damage. Examine and the sensor cable connections.
Sensor is missing. (or SENSOR MISSING)| The gateway does not respond to gateway commands.| Examine the sensor cables for damage. Examine and the sensor cable connections.
The sensor is not compatible. (or NOT COMPATIBLE)| The sensor connected to the gateway is the wrong model.| Connect a GS1440 or GS2440EX sensor to the gateway.

4.3 Warning list
A warning does not affect the operation of menus, relays and outputs.
For the SC200 Controller, an exclamation mark shows on the screen. Push the enter key, then select the instrument. The errors, warnings and reminders for the instrument show on the display.
For the SC1000 Controller, a message window opens. Select CANCEL to save the message to the message list (or select ENTER to delete the message). To show the message list, select SENSOR DIAGNOSTIC > MESSAGE LIST.
For the SC4500 Controller, the screen changes to amber. The diagnostics bar shows the error. Push on the diagnostic bar to show the errors, warnings and reminders. A list of possible warnings is shown in Table 2.
Table 2 Warning list

concentration of H2S.
The H2S gas measurement is above limit. (or GAS ABOVE LIMIT)| The H2S concentration in the air is more than the H2S gas limit (or H2S GAS LIMIT) setting.| Increase the H2S gas limit (or H2S GAS LIMIT) setting as necessary.
The H2S liquid measurement is too high. (or LIQUID OVERRANGE)| The H2S concentration in the liquid is more than 5 mg/L.| Move the sensor to a location with a lower concentration of H2S.
The H2S liquid measurement is above limit. (or LIQUID ABOVE LIMIT)| The H2S concentration in the liquid is more than the H25 liquid limit (or H2S LIQUID LIMIT) setting.| Increase the H25 liquid limit (or H2S LIQUID LIMIT) setting as necessary.
Calibration in progress… (or CAL IN PROGRESS)| A calibration is in progress.| Complete the calibration.
Calibration is due (or CALIBRATION DUE)| A calibration is due.| Calibrate the sensor. Refer to the documentation supplied with the calibration kit.

4.4 Event list
The event list shows current activities (e.g., configuration changes, alarms, warnings). Previous events are recorded in the event log, which can be downloaded from the controller. Refer to the controller documentation for data retrieval options.
A list of possible events is shown in Table 3.
Table 3 Event list

and sensor was set to on.
The sensor is connected. (or SENSOR CONNECTED)| A sensor was connected to the gateway.
The communication is disturbed. (or COMM CORRUPTED)| The gateway received invalid data from the sensor.
The communication response is invalid. (or COMM INVALID)| The sensor received invalid data from the gateway.
Communication time-out (or COMM TIMEOUT)| The response time expired while the gateway waited for the sensor to reply.
Sensor communication was restored (or SENSOR COMM RESTORED)| Communication with the sensor was repaired.
Calibration completed (or CALIBRATION PERFORMED)| A sensor calibration was started.
Reset calibration (or CALIBRATION RESET)| The Days since last calibration (or DAYS SINCE CAL) counter was set to 0 days.
A new sensor is connected. (or NEW SENSOR CONNECTED)| A new sensor was connected to the gateway.
Status (or STATUS)| The sensor status when the sensor was set to on (or after a change).

HACH COMPANY World Headquarters
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Tel. 970-669-3050
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Fax 970-669-2932
[email protected]
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Tel. +49 (0) 2 11 52 88-320
Fax +49 (0) 2 11 52 88-210
[email protected]
www.de.hach.com![HACH GS1440 Digital SC Gateway

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References

• Geräte und Reagenzien für die Wasserqualitätsanalyse | Hach
• Hach | Hach

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