VT335 / Monitoring unit (v1.2) (legacy)

Owned by Vladimir Tayzhev
Last updated: Oct 12, 2023
2 min read

1. "A1..A4" - 4 RJ12 analog sensor inputs with auto-sensing.

2. "LAN" - Ethernet 10/100 Base-T port, provides an Ethernet connection.

• LEDs - "yellow" (status) and "green" (traffic) show the network traffic. The status LED: flashes green when the system starts up, and shows the connection state (constant green light - the connection is established, blinking green - the connection attempt).

3. "HS USB" - type miniAB USB-port 2.0, required to connect a USB camera or to restore an appliance.

4. LEDs: "ACT" - indicates appliance status, "E1" - indicates 12V E1 relay status, "E2" - indicates 12V E2 relay status, "ERROR" - indicates error and traffic.

• Blinking "ACT" ............ • Blinking "E1" ............ • Blinking "E2"............ • Blinking "ERROR»" ..........

"CAN" blinks slowly - nothing is connected

"CAN" blinks fast - configuration is in process

"CAN" glows constantly - connected to CAN devices

5. LED: "GSM" - indicates GSM SIM card status. Blinking = working. (VT00 / GSM modem is ordered separately)

"SIM" - connector with an ejector, used when VT700 / GSM modem is installed inside of the appliance to connect SIM card (VT700 / GSM modem is ordered separately).

6. "RESTART" - restarts the appliance.

7. "TEMPERATURE SENSOR" - accuracy +/- 1 °C.

8. "ANTENNA" - connector, used when GSM modem is installed inside of the appliance to connect GSM antenna. (GSM modem is ordered separately)

9. "" - External chassis grounding, M4 thread.

10. "Dip switch" Normal ↑ Off - the system should be always switched to this mode.

Recovery ↓ On - use this option only in case you need to recover manufacturing settings.

11. "OUTPUT 12V 0.25A" - 12V 0.25A output electronic relay terminal

12. "DRY CONTACTS 1...4" - Dry contacts terminal (type IN)

13. "CAN" - digital connector RJ12 for the connection of CAN sensors and CAN extensions on a CAN bus, with auto-sensing.

14. "DC 12V 2A" - DC power input.

15. "1-WIRE" - can be used with VT10 / 1-Wire extension board". Allows to connect 1-Wire reader or 1-Wire temperature sensors in serial line. Has "1-WIRE" status led.

16. "SIM" - connector with an ejector, with the installed and mounted GSM modem is used to connect the SIM card.

Developer notes: metal case VT335 v1.2