Data Sheet for Product

14
Siemens
CB1Q3973_en--_e
Smart Infrastructure
2022-03-21
Local-HMI
RS-485 (EIA-485)
NOT galvanically isolated
Bus polarization
680 Ω/680 Ω
Bus termination
120 Ω /1 nF
Supply voltage
DC 24 V, Max. 100 mA
(short circuit protected)
Tool
USB
Use PC service cable POL0C2 for tools
LED for BSP run/stop
Mode
LED status
SW update mode (download active on a
new BSP, application)
Alternating between red and green every
second
Application running
Green on
Application loaded but not running
Orange on
Application not loaded
Orange on
BSP error (software error)
Red flashing at 2 Hz
Hardware error
Red on
NOTICE
LED for bus only indicates the status of the integrated modem communication. POL42X
controllers do not provide this modem communication.
Connection terminals
Possible plugs for I/O signals and
communication (available on request)
Phoenix FKCVW 2,5/x-ST
Phoenix FKCT 2,5/x-ST
Phoenix MVSTBW 2,5/x-ST
Possible plugs for power supply
Phoenix FKCVW 2,5/2-ST OG