Siemens LMS14

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Building Technologies Division User Manual LMS14… CC1U7471en
8 Technical data 28.01.2015
8.1.6 PWM pump connection P1
PWM pump connection (X15)
- PWM output As per interface definition of Grundfos for
UPER circulating pumps
- Safety extra low voltage
Output voltage at Iout = 0 DC 15 V ±5%, Ri = 1 k
Output current (short-circuit-proof) Max. 15 mA
PWM frequency 1.536 kHz
- Line length 10 m
8.1.7 PWM output/10 V output UX2/UX3
PWM output/10 V output UX (X10)
- PWM output As per interface definition of Grundfos for
UPER circulating pumps
- Extra-low voltage
Output voltage at Iout = 0 DC 12,5...14,5 V ±5%, Ri = 1 k
Output current (short-circuit-proof) Max. 15 mA
PWM frequency 1,536 kHz
- Cable length 10 m
- 10 V output
- Extra-low voltage
Output voltage at Iout = 0 DC 0..10,5 DC
Output current (short-circuit-proof) Max. 15 mA
Calibration capability Offset coefficient
Current load 2,7 mA peak
Ripple <50 mV
Settling time 99% <500 ms
Zero point accuracy < ±100 mV
Error for remaining range <0.1 V typical
<0.5 V max.
Can be calibrated by means of
parameters
- Cable length 10 m
8.1.8 Control of diverting valve
Control of stepper motor (bipolar)
(X16)
- Outputs For 4 VA bipolar stepper motors
- Standard version LMS14... 180 mA winding current (total)
- Resistance per winding 50 R < Rmotor < 110 R
- Safety extra low voltage
Voltage with output open DC 24 V
Current Max. DC 200 mA at 10% on time
- Line length 3 m
Step frequency 200 Hz