Distech Controls ECB-PTU Series Installation Manual page 6

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Wiring Digital Inputs (Six – Dix – Six)

This input configuration is used to monitor digital dry contacts.

Figure 6:

Digital input - Dry contact (NO & NC)

Wiring Voltage Inputs (UIx)

Voltage inputs have a range of 0 to 10 Vdc. Connect the voltage input according to the following figure. The transducer used must be powered externally.

Figure 7:

Voltage input – 3-wire transducer with its own power source

Wiring Resistive Inputs (UIx - SIx)

This input configuration is used to monitor 10kΩ type II, type III, and type Z NTC sensors.

Figure 8:

Resistive input – 10 kΩ NTC Sensor input

Wiring Pulse Inputs (UIx - DIx - SIx)

Connect the pulse input according to the following figure for a pulse meter that can pull-down a +5 VDC supply with a 10 kΩ pull-up resistor (Internal sup-

ply type).

Figure 9:

Pulse Input - UIx/SIx

Figure 10:

Pulse Input - DIx

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