Siemens Desigo PXC4.M16 - Page 12

12
Siemens Schweiz AG
A6V11937668_en--_b
Smart Infrastructure
2020-07-10
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
65, 66, 67
MSTP
Interface EIA-485 (BACnet MS/TP)
68, 69, 70
COM
Interface EIA-485 (Modbus RTU)
Term
on, off
Switch for bus connection
Polar
on, off
Switch for polarization
75 to 86
DOx
Relay outputs
11
1…4
Wiring lines for field devices
Wiring length max. 300 m (1,000 ft), CU wire or CU strand.
Cross-section depending on the signal
30 m (100 ft) applies for signal types AI NTC10K and AI NTC100K
or 80 m (260 ft) with shielding