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This system is ideal for monitoring and controlling complex environments in data centers, industrial automation, and facility management.
Extensions:
VT740 / LTE slot modem: Ensures connection redundancy with an option for LTE modem integration in case of ethernet failure.
VT485m / Modbus RTU extension or VT485r / OSPDv2 reader extension
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6. "CAN DEVICES" - digital connector RJ12 for the connection of CAN sensors/extensions/devices on a CAN bus. Modules can be chained together. Read the instructions at "CAN devises connection", and "Setting up CAN".
"LED: CAN" - green LED indicates CAN bus status.
The LED blinks slowly - nothing is connected
The LED blinks fast - configuration is in process
The LED glows constantly - connected to CAN devices
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13. “Extension slot” - Only one of the two extensions can be installed “VT485m / Modbus RTU extension” or “VT485r / OSDP v2 reader extension”. Ordered separately.
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Connection overview diagram
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Power Supply Priorities
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Power supply line | Description |
|---|---|
1, 2, 3 |
These power supply lines are equivalent. The main Vutlan PCB has 3 power lines. If all three power lines are connected and active at the same time, the system chooses the input with the biggest Voltage. Normally each of these lines supply the system with 11V. Power switching is instant. |
4 |
VT-ACCU is charged by the power line 1. The system will start working from VT-ACCU only in case power lines 1,2, and 3 are off (power outage). |
Drawing dimensions
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19” 1U installation in a rack-cabinet
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VT825t has a slot for an extension. You can install only one module in this slot. You can install the “VT485m / Modbus RTU modem extension slot” or the “VT485r / OSDPv2 reader extension slot”. Both modules are ordered separately.
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Installing LTE slot modem
VT825t has a slot for “VT740 / LTE slot modem”. The modem is ordered separately.
Extension | Photo |
|---|---|
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Installing reservation battery
The unit has an “Extension battery slot” at the back of the unit. You can install VT-BAT / Reservation battery 6F22 9V or VT-ACCU / Rechargeable reservation battery.
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| Note |
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Warning! If you install VT-ACCU or VT-BAT inside the system with charged batteries and decide to ship it. The system will be operational until the batteries are drained while in transit. |
Package content VT825t series
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