IFM SN0151 - Control monitor for flow sensors VS3000/85...265VAC

For the connection of flow sensors.
Integrated flow, temperature and wire monitoring.
Adjustable switching outputs for monitoring flow and temperature.
Clearly visible multi-colour LED bargraph display.
Signal output via potential-free relay contacts

Application	Flow monitoring; Temperature monitoring; Wire monitoring

Frequency AC [Hz]	47...63
Operating voltage tolerance [%]	-5...10
Operating voltage [V]	90...240 AC
Max. power consumption [VA]	4
Protection class	II
Reverse polarity protection	no
Power-on delay time [s]	10...80;(adjustable (fixed-value resistors terminals 22-23))
Number of channels	1

Outputs

Performance in case of a fault	In case of undervoltage all relays are de-energised; the LED "LOW VOLTAGE/WIRE BREAK-RELAY" lights
Electrical design	relay
Contact rating	4 A (250 V AC / 30 V DC)
Switching function flow monitoring	relay energised when flow is present and during the power-on delay time
Switching function temperature monitoring	relay de-energised when temperature is exceeded
Switching function wire break monitoring	relay de-energised in case of wire break or short circuit
Short-circuit proof	no
Overload protection	no

Response times

Response time [s]	< 3

Software / programming

Adjustment of the switch point	potentiometer
Selection liquids / gases	wire bridge; on delivery: monitoring of liquids.; for monitoring of gases: link terminals 23 / 24.
Switch point setting	potentiometer
Temperature range [°C]	0...80
Repeatability of the set switch point [K]	4

Operating conditions

Ambient temperature [°C]	-20...60
Note on ambient temperature	in case of sufficient free space for convection cooling
Protection	IP 20

Tests / approvals

MTTF [years]	168

Weight [g]	249
Housing	housing for DIN rail mounting
Dimensions [mm]	100 x 25 x 103.5
Materials	PBT

Displays / operating elements

Display	function 11 x LED switching status LED, red switching status LED, red

Electrical connection

Required protection	miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting

Remarks	Recommendation Check the safe functioning of the unit after a short circuit.
Pack quantity	1 pcs.

Electrical connection

Connection	COMBICON connector:

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SN0151-01 — 25.04.2023 —