Data Sheet for Product
8
Siemens CB1Q3950en
Smart Infrastructure 2020-06-08
Power supply for active sensors (DC 24 V) and ratiometric sensors (DC 5 V)
Voltage / current DC 5 V ±2.5% / 20 mA
DC 24 V +10 %, -25% / 40 mA
Reference potential Terminals ⊥
Connection Short-circuit-proof
Sensor supply Connecting ratiometric sensor
to universal I/O
Pressure transmitter Ratiometric sensor
Motor driver
Driver for bipolar stepper motor (T2)
Constant-current mode Short-circuit-proof
Switching frequency 15 kHz
Mode Full step
Max. motor cable length 10 m
NOTICE! Heed the recommendations of the EEV manufacturer, too!
Max. motor phase current 1.0 A
Max. motor power POL94E 15 W
Max. motor power POL94U 10 W
Programmable current 0.1…1.0 A
Programmable hold current 0.0…0.5 A
Motor voltage Max. 42 V
Programmable speed Max. 500 steps per second
Programmable acceleration Max. 500 steps per [second]
2
Programmable traverse path 200…60’000 steps
Programmable overdrive 0…5’000 steps
Protection Thermal shutdown
Programmable reference point Zero or traverse path
Diagnostics At startup and in operation
UPS (POL94U.00/XXX only)
Energy storage Ultracaps (10 x 10 F at 1,98 V)
Max. charge > 87 Ws
Charging time < 2 min