Technical specifications

Mode of operation

Measuring principle

Magnetic proximity sensor provides pulse to integrator

Typical application

Aggregate belt conveyors

Input

Wheel rotation 2 вЂ¦ 450 rpm, bi-directional

Output

• 60 pulses per revolution, 2 вЂ¦ 450 Hz, 150.4 pulses/m (4.58 pulses/ft)
• RBSS: open collector, NPN sinking output, max. 17 mA
• RBSS IS: NAMUR NC, load current, 0 вЂ¦ 15 mA

Rated operating conditions

Ambient temperature

• RBSS: -40 вЂ¦ +105 °C (-40 вЂ¦ +220 °F)
• RBSS IS: -25 вЂ¦ +100 °C (-14 вЂ¦ +212 °F)

Max. belt speed

3 m/s (590 fpm)

Degree of protection

IP67

Design

Trailing arm

Painted mild steel

Sensor wheel

127 mm (5 inch) diameter, polyurethane tread

Power supply

• RBSS: 4.5 вЂ¦ 28 V DC, 16 mA
• RBSS IS: 5 вЂ¦ 25 V DC from IS switch isolator

Interconnection wiring (to integrator)

• RBSS: 3 m, 3 conductor 22 AWG shielded cable
  • 300 m (1 000 ft) maximum cable run
• RBSS IS: 2 m, 2 conductor 26 AWG PVC covered cable

• 300 m (1 000 ft) maximum cable run to IS switch isolator
• 300 m (1 000 ft) maximum cable run from IS switch isolator and integrator

Approvals

RBSS

CE, RCM^, EAC, KCC¹⁾

RBSS IS (with suitable IS switch isolator or switch amplifier)²⁾

• ATEX II 1G Eex ia IIC T6
• ATEX II 1D Ex iaD 20 T 108 °C
• CSA/UL: Class I, Div. 1, Groups A, B, C, and D; Class II, Div. 1, Groups E, F, and G; Class III, Div. 1,
  EAC Ex
• CE, RCM, EAC, KCC²⁾

Proximity switch approval ratings (Pepperl+Fuchs #NJ0.8-5GM-N)

• ATEX II 1G EEx ia IIC T6
• ATEX II 1D Ex iaD 20 T 108 °C
• CE, CSA, UL²⁾

Optional switch isolator (required for RBSS IS)³⁾

• Pepperl+Fuchs #KFA5-SOT2-Ex2 or #KFA6-SOT2-Ex2

• ATEX II (1) G [EEX ia] IIC
• CSA/UL: Class 1, Div. 1, Groups A, B, C, and D. Class II, Div. 1, Groups E, F, and G, Class III, EAC Ex
• CE, RCM, EAC, KCC²⁾