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70150440 KCD2-SCD-EX1

Short Description:

• 1-channel isolated barrier

• 24 V DC supply (Power Rail)

• Current output up to 650 Ω load

• HART I/P and valve positioner

• Lead breakage monitoring

• Accuracy 0.1 %

• Housing width 12.5 mm

• Up to SIL 2 acc. to IEC 61508

70150440 KCD2-SCD-EX1

General specifications

Signal type Analog output

Functional safety related parameters

Safety Integrity Level (SIL) SIL 2

Supply

Connection Power Rail or terminals 9+, 10-

Rated voltage Ur 19 ... 30 V DC

Ripple ≤ 10 %

Rated current Ir ≤ 30 mA

Power dissipation ≤ 600 mW

Power consumption ≤ 700 mW

Input

Connection side control side

Connection terminals 5-, 6+

Input signal 4 ... 20 mA limited to approx. 30 mA

Input voltage depending on switch configuration

open loop voltage of the control system < 23 V

open loop voltage of the control system < 27 V

Voltage drop depending on switch configuration

open loop voltage of the control system < 23 V: approx. 6 V at 20 mA

open loop voltage of the control system < 27 V: approx. 10 V at 20 mA

Input resistance > 100 kΩ, with field wiring open

Output

Connection side field side

Connection terminals 1+, 2-

Current 4 ... 20 mA

Load 0 ... 650 Ω

Voltage ≥ 13 V at 20 mA

Ripple 20 mV rms

Transfer characteristics

Accuracy 0.1 %

Deviation at 20 °C (68 °F), 0/4 ... 20 mA

≤ ± 0.1 % incl. non-linearity and hysteresis

Influence of ambient temperature < 2 µA/K (0 ... 60 °C (32 ... 140 °F)); < 4 µA/K (-20 ... 0 °C (-4 ... 32 °F))

Frequency range field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)

control side into the field side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)

Rise time 10 to 90 % ≤ 100 ms

Galvanic isolation

Input/Output reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff

Input/power supply reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff

Output/power supply reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff

Indicators/settings

Display elements LED

Control elements DIP-switch

Configuration via DIP switches

Labeling space for labeling at the front

Directive conformity

Electromagnetic compatibility

Directive 2014/30/EU EN 61326-1:2013 (industrial locations)

Conformity

Electromagnetic compatibility NE 21

Degree of protection IEC 60529

Ambient conditions

Ambient temperature -20 ... 60 °C (-4 ... 140 °F)

Mechanical specifications

Degree of protection IP20

Connection screw terminals

Mass approx. 100 g

Dimensions 12.5 x 114 x 124 mm (0.5 x 4.5 x 4.9 inch) , housing type A2

Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection

with hazardous areas

EU-type examination certificate CESI 06 ATEX 021

Marking ¬ II (1)G [Ex ia Ga] IIC , ¬ II (1)D [Ex ia Da] IIIC , ¬ I (M1) [Ex ia Ma] I

Output [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma]

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