ABB Advant Controller 450 User Manual

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The Pulse Counting / Frequency Measurement modules DP820 is a two-channel pulse counter
module in the S800 I/O series. Each channel can be used for independent pulse count/length
measurement and frequency/speed measurement. The module is placed in a S800 I/O station
connected to the Controller via Advant Fieldbus 100.
Configuration and signal handling of module DP820 is handled via the data base element
DP820 and PC-element DP820-I and DP820-O.
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Termination Units are available as Compact MTUs or Extended MTUs. A compact MTU
normally offers termination of one wire per channel for a 16 channel module. With compact
MTUs power distribution of field circuits must be made with external terminal blocks and current
limiting components if required. Extended MTUs with group-wise isolated interfaces allows for
two or three wire termination of field circuits and provides group-wise or individually fuses,
maximum 6.3A glass tube type, for powering field objects. Extended MTUs which offer two or
three wire terminations allows direct field object cable termination. The need for external
marshalling is therefore drastically reduced or eliminated when extended MTUs are used.
AO890 Analog Output, with Intrinsically safe interface 1 x 8 ch.
0(4)...20 mA, 12 bit, 0.1%
Rated isolation voltage 50 V.
AO895 Analog Output, with Intrinsically safe and HART interface
0(4)...20mA, 12 bit, 0.1%
Rated isolation voltage 50 V.
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DP820 Pulse counter measurement. A 29 bits bidirectional counter with:
- Coincidence detection controlling one digital output signal.
- Freezing of counter value depending on different
conditions.
- Synchronization of counter depending on different
conditions.
Frequency/Speed measurement up to 1.5 MHz with:
- Freezing of value depending on different conditions.
- Selectable measure time within 1 up to 2000 milliseconds.
- Built-in scaling of frequency value to engineering units.
Transducers with quadrature encoded signals or with up/down
pulse signals can be connected to the module.
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ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English