Type 8311

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Current consumption

• Transmitter 2-wire version: < 30 mA (+ 700 mA max. per transistor output used)

• Switch version: ≤ 80 mA, no load

DC reverse polarity protection

Yes, for power supply and all outputs

Overvoltage protection

Yes, for power supply and for transistor outputs

Outputs

• Transmitter 2-wire version:

– Transistor (programmable):

2 NPN or 2 PNP, can be modified by means of straps, open collector, max. 700 mA,

NPN: (V+) minus 0.5 V DC / 0 V DC

PNP: 0.5 V DC / (V+)

protected against short circuit

– Process value:

4…20 mA,

response time (10…90 %): 300 ms with filter 0 (default setting)

max. loop resistance: 800 Ω at 30 V DC, 550 Ω at 24 V DC, 300 Ω at 18 V DC

(for more details, see instruction manual Type 8311 )

• Switch version:

– Transistor (programmable):

NPN or PNP, max. 700 mA,

NPN: 0.2…30 V DC

PNP: (V+)

protected against short circuit

– Optional relay (programmable):

Normally open/normally closed

3 A / 250 V AC or 3 A / 30 V DC

Voltage supply cable

• Shielded

• Max. 50 m length

• Cross section of wires: 0.25…0.5 mm2

Medium data

Fluid

Liquid and gaseous medium

Fluid temperature

- 20…100 °C (- 4…+ 212 °F)

(+ 100 °C (+ 212 °F) for an ambient temperature of max. 40 °C(+ 104 °F))

Process/Port connection & communication

Process connection

G, NPT, Rc ½" screw-in thread

Electrical connection

• Cable plug according to EN 17530–803 (provided)

• Swivel 5 pin M12 male fixed connector for female 5 pin M12 cable plug (not provided, to be

ordered separately. Detailed information can be found in chapter “6.4. Ordering chart acces-

sories” on page 13.)

Approvals and certificates

Standards

Degree of protection according

to IEC/EN 60529

IP65 under the following conditions:

• connector being plugged-in and tightened and

• with an EN 175301-803 connector: device wired with a cable with a diameter of 6…7 mm

Directives

CE directives

The applied standards, which verify conformity with the EU Directives, can be found on the EU

Type Examination Certificate and/or the EU Declaration of conformity (if applicable).

Pressure Equipment Directive

Complying with Article 4, Paragraph 1 of 2014/68/EU directive

Detailed information on the pressure equipment directive can be found in chapter “2.1. Pressure

Equipment Directive” on page 5.