7
Siemens Schweiz AG
A6V11937668_en--_b
Smart Infrastructure
2020-07-10
Modbus RTU interface
Internal bus polarization
270 Ohm pull-up/pull-down resistances, switchable with
DIP switch
Cabling (in-house cabling only)
Cable length
3-wire cable
Max. 1000 m (3300 ft)
Protection
Short-circuit proof
Protection against faulty wiring with AC 24 V
WLAN interface
Interface type
Wireless access point
Supported standards
Frequency band
WLAN channels
Maximum radio-frequency power
IEEE 802.11b/g/n
2.4…2.462 GHz
1…11
16.4 dBm
Distance (unobstructed field)
Min. 5 m (16 ft)
Device pairing
Activation / Deactivation with service button
Automatic switch off after 10 minutes if no WLAN-client
is connected.
Optionally, for cyber security reasons, the WLAN can be
permanently disabled via configuration.
Default SSID and WLAN password
: Scan the QR code.
It will show something like WIFI:S:
PXC4.M16_0000550
;T:WPA;P:
1400052738
;;
Then SSID = PXC4.M16_0000550 and password = 1400052738
Determine manually: Use the information from the Date/Series/SN block It will show something like:
Date/Series: 20190423A
0000550
S/N:
1400052738
SSID = <ASN>_<Running number after the series letter> and password = <S/N>
I/O modules TXM interface
Nominal voltage
DC 24 V
Power supply for I/O modules TXM
Max. 300 mA
Parallel switchable with 24VDC Supply TXS1.12F4
For details, see: TX-I/O engineering and installation,
CM110562
Protection
Short-circuit proof
Connector for I/O modules TXM on the side: No
protection against faulty wiring with AC 24 V
No electrical protection.
Use the cover
