User Manual

12
Siemens CM1N9204en
Smart Infrastructure 2020-03-17
Connections
Interfaces
Ethernet Plugs: 2 x RJ45, screened
Interface type: 10Base-T/100BASE-TX, IEEE 802.3 compatible
Bitrates: 10/100 Mbps, autosensing
Protocol: BACnet over UDP/IP
USB (2.0) Plug: Type B
Data rate: 12 Mbps
KNX Type: KNX TP1 PL-Link, galvanic isolation
Baud rate: 9.6 kbps
Bus power: 50 mA
Short-circuit proof, and protected against faulty wiring at max. AC 24 V
Wiring connections
Pluggable screw terminals Copper wire or copper stranded wire with connector sleeves
1 x 0.6 mm ø to 2.5 mm
2
(22 to 14 AWG) or
2 x 0.6 mm ø to 1 mm
2
(22 to 18 AWG)
Copper stranded wire without connector sleeves
1 x 0.6 mm ø to 2.5 mm
2
(22 to 14 AWG) or
2 x 0.6 mm ø to 1.5 mm
2
(22 to 16 AWG)
Stripping length 6...7.5 mm (0.24...0.29 in)
Slotted screws Size 1, tightening torque 0.6 Nm (0.44 lb-ft)
Wiring lengths for signals KNX PL-Link 80 m (260 ft) with internal bus power or 300 m
(990 ft) with external power supply
Ethernet 100 m (330 ft)
Signal lines 80 m (260 ft)
For inputs AI 100 kOhm, AI NTC10K, AI NTC100K: 30 m (100 ft)
or 80 m (260 ft), if shielded.
Conformity
Ambient conditions and protection classification
Classification per IEC/EN 60730
Function of automatic control devices
Pollution degree
Overvoltage category
Type 1
2
III
Design type Device suited for use with equipment of safety classes I
and II
Degree of protection of housing to IEC EN 60529
Room automation station
With terminal cover
IP20
IP30
Climatic ambient conditions
● Transport (packaged for transport) as per IEC
EN 60721-3-2
● Operation as per IEC/EN 60721-3-3
● Class 2K3
Temperature -25...70 °C (-13... 158 °F)
Air humidity 5...95% (non-condensing)
● Class 3K5
Temperature -5...45 °C (23... 113 °F)/
-5...50 °C (23... 122 °F)
See Mounting
Air humidity 5...95% (non-condensing)
Mechanical ambient conditions
Transport as per IEC/EN 60721-3-2
Operation as per IEC/EN 60721-3-3
Class 2M2
Class 3M2