PXC4.M16

Terminal

Symbol

Description

Module

Channel

3, 4

KNX

PXC4.M16-2: KNX PL-Link

5, 6

≃, ⏊

Operating voltage AC 24 V or DC 24 V

7

Functional ground (must be connected on the installation side with the building grounding system (PE)).

9 to 17
20 to 28

Ux

Universal inputs / outputs 1…12

61

1…12

⏊

Measuring ground for Ux

8, 19

V+

DC 24 V power for field devices 2.4 W / 100 mA

18, 29

V≃

AC 24 V power for field devices 48 VA / 2 A
(If PXC4.M16-2 is powered by DC voltage, then the field device supply on terminal V≃ is DC voltage, too)

65, 66, 67

MSTP

PXC4.M16-2: Interface EIA-485 (BACnet MS/TP)

68, 69, 70

COM
MSTP

PXC4.M16-2: Interface EIA-485 (M-bus, Modbus RTU)
PXC4.M16S-2: Interface EIA-485 (BACnet MS/TP)

Term

on, off

Switch for bus termination

Polar

on, off

Switch for polarization

75 to 86

DOx

Relay outputs 1…4

11

1…4