Siemens ZM100/A Electronic connection for valves with magnetic actuator
Siemens ZM100/A Electronic connection for valves with magnetic actuator
Terminal housing for control of valves with mag-netic actuator
•
Control with choice of positioning signals or direct control
AC 24 V
DC 0…10 V
DC 4…20 mA
DC 0…20 V Phs
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Siemens VPE..MiniCombiValves (MCV)
Radiator valves featuring integrated differential pressure control for
2-pipe heating systems, fan coils and chilled ceiling systems
? Automatic flow limitation under all operating conditions
? Straightforward design of plant with no need for safety margins
? Thanks to MCV no hydraulic balancing within the zone required
? No additional line balancing valves required
? No noise problems
? Integrated presetting of kv-values
? DIN DN 10 and DN 15
? Valve bodies made of brass, mat nickel-plated
? Internally and externally threaded (Rp/R) conforming to ISO 7-1
? Can be combined with RTN.. thermostatic, STA..3.. electrothermal and SSA..
electromotoric actuators
Siemens MXG461..P Modulating control valves with magnetic actuators, PN 16
Fast positioning time (<2 s), high-resolution stroke (1 : 1000), high rangeability
? Equal-percentage or linear valve characteristic (user-selected)
? Operating voltage AC / DC 24 V
? Switch-selected control signal DC 0/2…10 V or DC 4…20 mA
? DC 0…20 V phase cut control signal with SEZ91.6 external interface
? Indication of operating state, position feedback and manual control
? Wear-free inductive stroke measurement
? Fail-safe feature: A ? AB closed when de-energized
? Low friction, robust, no maintenance required
Siemens QFM21.. Duct sensor for rel. humidity / temperature
Device type QFM21..
Designation Duct sensors for humidity and
temperature
Product range SymaroTM
Room sensors
QFA41…
for relative humidity and temperature with calibration certificates
• Operating voltage AC 24 V / DC 13.5…35 V
• Signal output DC 0…10 V / 4…20 mA for relative humidity and temperature
• Very high measuring accuracy across the entire measuring range
• Capacitive humidity measurement
• Recalibration service
• Test function for loop test
• Range of use −40…+70 °C / 0…100 % r. h. with LCD display −25…+70 °C / 0…100 % r. h.
Use
The QFA41… sensor is used in ventilation and air conditioning plants requiring:
• Very high accuracy and reliability for measuring relative humidity and temperature
• Regular recalibration and readjustment of the sensors
Examples:
• Storage and production facilities in the paper, textiles, pharmaceutical, chemical, electronics industries, etc.
• Laboratories
• Hospitals
• Computer centers
• Greenhouses
SIEMENS
Modulating refrigerant valves with magnetic actuator‚ PS43
M3FB..LX..
Soldered connection‚ hermetically sealed
•Modulating control valve for hot-gas applications for capacity control of refrigeration units and heat recovery systems
•For organic safety refrigerants
•AC 24 V operating voltage or power signal DC 0…20 V Phs (phase cut)
•Selectable electrical interface ZM.. with DC 0…10 V, DC 4…20 mA or DC 0…20 V Phs positioning signal
•High resolution and control accuracy
•Short positioning time (< 1 s)
•Port AB A closed when de-energized
•Robust and maintenance-free
•DN 15…32, kvs values 0.6…12 m3/h
Universal controller with P or PI action for heating, ventilation and air conditioning.
Auxiliary functions
- PI limiter function (absolute and relative limit)
- Remote setpoint
- Setpoint compensation
- Winter/summer mode changeover (analogue or digital input)
- Cascade control
- Maximum priority for cooling / dehumidifying