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Actuators IC 20, IC 40
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Catalog excerpts

Actuators IC 20, IC 40 - 1

Actuators IC 20, IC 40 Product brochure · GB 3.1.6.4 Edition 06.07 • IC 20 for basic applications with continuous or three-point step control and automatic/manual mode changeover for easy commissioning, IC 20..E with electronic positioning function and adjustable behaviour in the event of cable break • IC 40 for complex applications with programmable functions for exible adjustment to the process, with statistics and error history to support service personnel • A position indicator that can be read externally • Spacious connection chamber for ease of installation • Actuator can be mounted directly onto the buttery valves BVG, BVA or BVH www.kromschroeder.com

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Actuators IC 20, IC 40 - 2

2 · Kromschröder IC 20, IC 40 · Edition 06.07 IC 20 IC 40 with status display and optical interface. Application IC 20 The actuators IC 20 and IC 40 are designed for all applications that require precise, controlled rotary movement between 0° and 90°. They can be mounted directly onto the buttery valves BVG, BVA or BVH in order to control the gas and air ow rates on gas burners. They are designed for control ratios up to 1:10. An optional integrated feedback potentiometer offers the option of monitoring the current position of the actuator. This scan function can be used in automation...

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Actuators IC 20, IC 40 - 3

IC 20, IC 40 · Edition 06.07 Kromschröder · 3 Application examples IC 20, continuous control For processes that require high temperature accuracy and low circulation in the furnace. The actuator IC 20 is controlled by a three-point step controller. Threepoint step VAG M IC 20 + BVA BVA IC 20..E, continuous control For processes that require high temperature accuracy and low circulation in the furnace. The actuator IC 20..E is controlled by a 4 – 20 mA, 0 – 20 mA or 0 – 10 V signal. VAG 4–20 mA M IC 20 + BVA Twopoint IC 40, staged control For processes that require a homogeneous temperature...

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Actuators IC 20, IC 40 - 4

4 · Kromschröder IC 20, IC 40 · Edition 06.07 IC 40, continuous control by three-point step signal. The actuator IC 40 is controlled by the three-point step controller 3PS and moves the buttery valve BVA to the ignition position. The burner starts. L1, N, PE P 3PS Once the burner is operating, the operation signalling contact of the burner control unit BCU 460 closes. The BCU issues the Controller enable signal to the temperature controller. The buttery valve opens or closes between the low-re and high-re rate positions depending on the capacity demand of the burner. When the three-point...

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Actuators IC 20, IC 40 - 5

IC 20, IC 40 · Edition 06.07 Kromschröder · 5 IC 40, continuous control with dened ignition position The central control system starts the pre-purge. Input DI 2 is actuated via the air valve output of the BCU and moves the buttery valve BVA to the pre-purge position. In the event of a temperature demand, the burner control unit BCU actuates input DI 1 via the valve output V1 and moves the buttery valve to the ignition position. (Precondition: the IC 40 must have reached the ignition position on the instant of ignition.) The burner starts. L1, N, PE P mA P 22 3 4 5 BCU 460..L µC The BCU...

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Actuators IC 20, IC 40 - 6

6 · Kromschröder IC 20, IC 40 · Edition 06.07 IC 40, hot air compensation For processes in which preheated combustion air at a temperature of up to 450°C must be controlled. In this example, the actuator IC 40 is regulated by a two-point controller to adjust the burner ring capacity. It runs in High/Low intermittent operation. The running time can be adjusted between 5 and 25 seconds. GIK WPS VAG + VAS 1 M Twopoint IC 40 + BVH IC 40, staged control with online adjustment of the burner ring capacity For processes that require a homogeneous temperature distribution and high temperature...

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Actuators IC 20, IC 40 - 7

Technical data Mains voltage: Power consumption: Screw terminals using the eleva- (single core cables) and for cables up to 2.5 mm2 with wire end ferrules. Angle of rotation: 0 - 90°, adjustable. Holding torque = Torque. Switching power of the position switches: Power consumption: Feedback output: galvanically isolated, load im- Input: galvanically isolated, Mains voltage: the actuator automatically adjusts to the respective mains voltage; Switch-on peak current: max. 1 analogue input (optional): 4-20 mA (IC 40T Class 2) (internal load im- Potentiometer (optional): conductive plastic...

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Actuators IC 20, IC 40 - 8

8 · Kromschröder IC 20, IC 40 · Edition 06.07 Selection IC 20: Actuator for basic applications IC 40: Intelligent actuator for complex applications S -07 ● -15 ● -30 ● -60 ● W ● Q ● A IC 20 IC 402) ● ● Type = IC Safety closing function = S (with buttery valve BVHS only) Running time (at 50 Hz) 7.5 s = -07 15 s = -15 30 s = -30 60 s = -60 4.5 – 76.5 s programmable Mains voltage 230 V AC, -15/+10%, 50/60 Hz = W 120 V AC, -15/+10%, 50/60 Hz = Q 100 – 230 V AC, ±10%, 50/60 Hz = A Torque 2.5 Nm = 2 3.0 Nm = 3 Continuous control 0 (4) – 20 mA, 0 – 10 V = E Analogue input 4 –20 mA =A Feedback...

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