Documentation page: https://vutlan.atlassian.net/wiki/spaces/DEN/pages/35127335/VT440+Dry+contacts+unit
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The number of dry contacts inside VT440 can be increased up to 64 with an extension module "VT32 / dry contacts module".
Physical description
1. "1...32" - Dry contacts terminal.
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3. "S/N" - serial number. You will need this serial number if you want to contact our support team. It is important that you do not You mustn't lose it!
4. LEDs: "RUN" - indicates appliance connection status to the main module, "ERR" - indicates appliance lost connection to the main module.
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6. "TR" - is the nearest switch to CAN inputs. This switch should be turned "ON" on the last sensor in the CAN chain. The last sensor in the long chain with a length of more than 10 meters, the terminator should be in "OFF" position.
| Note |
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Do not use the DIP switch "FR" labeled "1", it should always be OFF. If this switch is turned ON, the module will turn off. This switch is only needed for programming purposes |
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"TR" - is the nearest switch to CAN inputs. This switch should be turned "ON" on the last sensor in the CAN chain. The last sensor in the long chain with a length of more than 10 meters, the terminator should be in "OFF" position.
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