This section contains a (growing) numberof FAQ’s.
“Q” Question
“A” Answer
“T” Tip
“C” Check <Manual Name> <Chapter>
FAQ(s)
⌘K
- General
- FAQ Usage
- How many sensor can I connect to an ML-525
- What is the maximum number of option boards
- How long will my battery last
- How long will my SD card last
- How long will my SIM balance last
- Four principles of Data Sampling
- Limited output drivers
- SD Card Testing
- Monitor sensor communication
- Asterisk on data record
- How to make a support request
- Return a defective Data Logger
- Electrical
- Low Start Voltage or Modem power to low
- Usage of a Voltage Divider (A /D input)
- Deep discharge LifePO4 battery
- Connecting External Solar Charger to SLA power board
- Replace T 2A fuse on ML-417 Main board
- RTC Clock is losing date-time when powered off
- Replace the Power board fuse
- Sensor Power is intermittent detecting a short-circuit situation
- Connect more Solar Panels to the SLA Power Board
- Usage of a Pot(entio)meter to test without Sensor
- How to monitor the Data Logger Power Usage
- Easily change battery’s
- Data logger Low power considerations
- 2, 3 and 4-wire sensor configuration
- SLA V2.0 or a relay to power heavy load sensors
- Modbus (RS-485) (un)supported bus topology
- Sleep current values explained
- Sensor power notes
- HF filtering on a digital input port
- How to check an electronic fuse
- Setup digital port for Pause/Resume function
- Sensors
- Network & Modem
- TLS Ciphers & Certificates
- MQTT connection problems
- DNS request failure
- Modem failure after upgrade
- Intermittend Modem failure or loosing Internet connection
- Delete pending messages in Swarm cache /queue
- 4G SIM does not connect to 4G LTE-m network
- WiFi card response – Modem Message, NO CARRIER
- YdocInsight has problems with placing files using FTP
- TLS usage on FTP /MQTT /HTTP servers
- SSL Certificate setup for Telit modem
- GPS orientation
- Modem testing
- Find information on Network coverage
- Updating modem firmware using FOTA
- Differences SFTP and FTPS
- After a remote scheduled session, TCP terminal remains active
- Aditional documentation on Ydoc data loggers using MQTT
- Data logger DNS testing
- (ML-525xx) eSIM status and balance check
- Modem connection failures
- WiFi connection problems
- Use of an external GSM /LoRa antenna
- Application
- How to configure hysteresis on a digital alarm
- Usage of alarming levels low-low .. High-high
- Use of a Calculation channel to prevent neg. Readings
- INV;Aggregations;Has invalid data
- How many Sensors can be configured on one Data Logger
- How to take a picture with the Camera
- Digital Input Port Frequency Limitations
- Emergency Restore the SD card
- Aggregations (Derived channels menu) explained
- SD storage and Network Transfer Rate calculations
- Date & Time no longer synchronized to NTP
- Battery lifetime is shorter than expected
- Parameter activity prior to last measurement
- Setup a secured MQTT Connection to AWS-IOT platform
- Camera has stopped sending pictures
- Interfacing with Ydoc BLE card
- More (than two) SMS recipients
- Symptoms pointing to a corrupted configuration
- Different data and send intervals during day/night
- Serial port buffer size