ifm Electronic SR5906 Auswerteeinheit für Strömungssensoren

Application

• Application: Flow monitoring; Wire monitoring

Electrical data

• Frequency AC [Hz]: 47...63
• Operating voltage tolerance [%]: -15...10
• Operating voltage [V]: 90...240 AC
• Max. power consumption [VA]: 3.5
• Protection class: II
• Reverse polarity protection: no
• Power-on delay time [s]: 10
• Number of channels: 1

Outputs

• Electrical design: relay
• Contact rating: 3 A (250 V AC / 30 V DC); (switching cycles at 3 A load: 100.000; type of switch-off: normally open)
• Switching cycles (mechanical): 20_Millionen
• Switching function flow monitoring: output switches when flow is present: ON for output function = normally open / OFF for output function = normally closed
• Short-circuit protection: no
• Overload protection: no

Software / programming

• Adjustment of the switch point: pushbutton

Operating conditions

• Ambient temperature [°C]: -20...60
• Protection: IP 67; (with sensor attached)

Tests / approvals

• EMC: EN 61000-4-2 ESD, 4 kV CD / 8 kV AD
, EN 61000-4-3 HF radiated, 10 V/m, EN 61000-4-4 Burst, 2 kV, EN 61000-4-6 HF conducted, 10 V
• Shock resistance: DIN IEC 68-2-27, 30 g (6 ms)
• Vibration resistance: DIN IEC 68-2-6, 2 g (55...2000 Hz)
• MTTF [years]: 209

Mechanical data

• Weight [g]: 244.5
• Materials: stainless steel (1.4404 / 316L); stainless steel (1.4301 / 304); PC; PBT-GF20; EPDM/X; brass

Displays / operating elements

• Display: function, LED, bar graph
, switching status, LED, orange flash in case of wire break

Electrical connection

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

Remarks

• Remarks: Connection for flow sensor without short-circuit protection / reverse polarity protect