Data Sheet for Product

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Siemens Climatix Extension Modules ECV2 CB1N3944en

Smart Infrastructure 2021-02-16

Driver for bipolar stepper motor

Constant-current mode Short-circuit proof

Switching frequency 50 kHz (variable)

Full-step mode 4 steps per revolution

Programmable current 0.1…0.5 A

Programmable hold current 0…0.5 A

Motor voltage Max. 42 V

Programmable speed Max. 500 steps per s

Programmable traverse path 0….30,000 steps

Programmable overdrive 0…2,500 steps

Programmable reference point Zero or Max. point

Max. output power for each motor 10 W

Length of motor cable <10 m

UPS (POL98U.00)

Energy storage Ultracaps (6 x 25F at 2,21 V)

Usable energy 187Ws

Charging time <3 min

from VVS11 0.05...0.6A

For dedicated valve parameters, approved by valve manufacturers please contact

your local Siemens representative.

Examples of approved valves parameters are listed on page 20

Motor driver

M1+…COM (T10, T11)

Note

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