Board is mounted and connected inside of VT825 DC. Adds 8 dry contacts (IN), 2 loads (latching relays with LEDs indicators) & a 12V DC power backup terminal.
Can be embedded inside VT440 (Dry Contacts extension unit). It has 32 dry contacts. Used to increase the number of dry contacts in VT440 from 32 to 64.
Ordered separately from VT440.
The unit has all possibilities for rack control, PIR sensor for door control, 2 dry contacts, temperature and humidity sensors.
Operating temperature: −40… +125°С.
RH operating range: 0 to 100%.
T accuracy: ±0.4°C in –10 to 85 °C range.
RH accuracy: ± 3% RH in 0 to 80% range.
Allows increasing the number of dry contacts connected to any Vutlan monitoring unit. Adds 32 dry contacts. Can be connected to any CAN port.
The number of dry contacts inside VT440 can be increased up to 64 with dry contacts module VT32.