Type SE35 + S077

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1.3. Flowmeter

Note:

If the device is mounted in a humid environment or outside, then the maximum voltage allowed is 35 V DC instead of 36 V DC.

Product properties

Material

Female cable plug/male fixed

plug

• Body, contact holder and cable gland in PA

• Cable gland seal and flat seal in NBR

Performance data

4…20 mA output uncertainty

± 1 % of current range

Electrical data

Operating voltage (V+)

• 12…36 V DC ± 10 %, filtered and regulated

Connection to main supply: permanent, through external SELV (Safety Extra Low Voltage) and LPS

(Limited Power Source) power supply

• 115/230 V AC, 50/60 Hz

Voltage supply available inside the device:

– supplied voltage: 27 V DC regulated

– maximum current: 125 mA

– integrated protection: 125 mA time delay fuse

Current consumption

12…36 V DC powered measuring device with standard output signal, with sensor and without pulse

output consumption

• With relays: ≤ 70 mA

• Without relay: ≤ 25 mA

Power consumption

115/230 V AC powered measuring device: 3 VA

Output

• Transistor (pulse):

– potential free

– NPN or PNP (wiring dependant)

– function: pulse output, adjustable pulse value

– 0…400 Hz

– 5…36 V DC, 100 mA, voltage drop at 100 mA: 2.5 V DC

– duty cycle (pulse duration/period): 0.5

– galvanic insulation and protected against overvoltage, polarity reversals and short circuit

• Relay:

– 2 relays, normally open, hysteresis, adjustable thresholds

– non UL recognized device: 230 V AC/3 A or 40 V DC/3 A (resistive load)

– UL recognized device: 30 V AC/42 V

peak/3 A or 60 V DC/1 A

• Current:

– 4…20 mA (3-wire with relays, 2-wire without relay)

– sourcing or sinking (wiring dependant)

– max. loop impedance: 900 Ω at 30 V DC, 600 Ω at 24 V DC, 50 Ω at 12 V DC, 800 Ω with a

115/230 V AC voltage supply

– response time (10…90 %) for the measured value: 6 s (default)

Voltage supply cable

• External diameter (cable):

– 5…8 mm (with cable plug)

– 6…12 mm (1 cable per cable gland) or 3…5 mm when using a multi-way seal (2 cables per cable

gland)

• Cross section of wires:

– 0.25…1.5 mm2 (with cable plug)

– 0.75 mm² (with cable gland)

• Cross section of the local ground wire: max. 0.75 mm²

Process/Pipe connection & communication

Electrical connection

Cable plug according to DIN EN 175301-803 or cable glands M20 × 1.5