Mode of operation

Measuring principle

Standard: pulse from shaft rotation using high precision rotary optical encoder

IS: pulse from inductive proximity switch

Typical application

When a low- to high-resolution speed sensor is required

Input

Shaft rotation 0.3 … 2 000 rpm, bi-directional, resolution dependent

Output

• Unidirectional open collector, NPN, sinking output
• Standard: 10 … 30 V DC, 25 mA max.
• IS: NAMUR NC, load current, 0 … 15 mA
• 32, 256, 1 000, or 2 000 pulses per revolution (ppr)
• 32 ppr: 2 000 max. rpm, 1 066 Hz
• 256 ppr: 2 000 max. rpm, 8 530 Hz
• 1 000 ppr: 900 max. rpm, 15 000 Hz
• 2 000 ppr: 450 max. rpm, 15 000 Hz

Rated operating conditions

Ambient temperature

Standard:
-40 … +70 °C (-40 … +158 °F)

IS:
-25 … +100 °C (-13 … +212 °F)

Degree of protection

NEMA 4X, Type 4X, IP65

Design

Enclosure

• Rated NEMA 4X, Type 4X, IP65
• Painted aluminum
• Stainless steel (optional)

Power supply

• Standard: 10 … 30 V DC, 60 mA max.
• IS: 5 … 16 V DC, 25 mA max. (from IS switch isolator)

Cable

Recommended

• Standard: 3-wire shielded, 0.82 mm? (18 AWG)
• IS: 2-wire shielded 0.324 mm? (22 AWG)
• Max. run 305 m (1 000 ft)

Approvals

WS300 Standard

• General

• CE, RCM, EAC

Hazardous

• CSA/FM Class II, Div. 1, Groups E, F, G; Class III
• ATEX II 2D Ex tD A21 IP65 T70 °C
• EAC Ex, RTN
• IEC Ex, Ex tD A21 IP65 T70 °C

WS300 IS (with suitable IS switch isolator or switch amplifier)¹⁾

• 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
• CE, RCM²⁾

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
• CSA, UL
• CE²⁾

Optional switch isolator (required for WS300 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
• CE²⁾