Trox Technik TROX UNIVERSAL, Installation And Operating Manual, Page: 17 / 36

No. Name Description
LED off 24 V supply voltage failed / sagging
5 Connection of mains
supply Connection for EM-TRF and EM-TRF-USV expansion modules
6 Status display for digital
inputs DI1…DI6 LED on Digital input DI is active
LED off Digital input DI is not active
7 Status display for digital
outputs DO1…DO6 LED on Digital output DO is active
LED off Digital output DO not active
8 Terminal block DO1…DO6 Digital outputs 1...6 Changeover relays
max. 250 V AC 8 A, switch-on current 12 A max.
9 Terminal block, 24 V Supply voltage 24 V AC or 24 V DC
Do not use 24 V AC and 24 V DC power supplies at the same time!
10 Terminal block AO1... AO3 Analogue outputs 1...3 Can be configured for 0-10 V DC, 10 mA max.
11 Terminal block DI2…DI6 Digital inputs 2...6 For volt-free switch contacts 5 V DC xx mA
12 Terminal block TI1 Input for temperature sensor PT1000 (not supported)
13 Terminal block AI1…AI4 Analogue inputs 1...4 Can be configured for 0-10 V DC, 10 mA max.
14 Clip / connection Strain relief / connection for communication cable shield
15
Functional earth
Connection point for the functional earth to improve electromagnetic compatibility
(EMV)
16 COMM-1 connection
COMM-2 connection
Alternative terminals for the communication cable; in general, however, connection
points Comm-1 (X6) and Comm-2 (X7) should be used (
Ä
on page 14 /10).
SF-UTP network cable
17 COMM terminal resistor Switch ON Communication cable termination is active
Switch OFF Communication cable termination is inactive
18 Terminal 3 Connection for TROX HPD actuator
Do not connect PD here
For details on the electrical data for each connection see Ä ‘List of terminal connections’ on page 36
Product description
Control components for VAV terminal units TROX UNIVERSAL 17