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1MRS750881-MUM
5.4.
5.4.1.
5.4.2.
5.4.2.1.
Remote Monitoring and Control Unit
Technical Reference Manual
Digital inputs
General
The REC 523 device has the following digital inputs.
REC 523
Digital inputs
PSC_7_BI1
PSC_7_BI2 *)
PSC_7_BI3 *)
BIO1_3_BI1
BIO1_3_BI2
BIO1_3_BI3
BIO1_3_BI4
BIO1_3_BI5
BIO1_3_BI6
BIO1_3_BI7
BIO1_3_BI8
BIO1_3_BI9
BIO1_3_BI10
BIO1_3_BI11
BIO1_3_BI12
Digital inputs /
15
total
*)
This digital input can be programmed as either digital input or pulse counter.
Fig. 5.4.1.-1
REC 523 digital inputs
The digital inputs of REC 523 are voltage-controlled and optically isolated. For
technical data of the digital inputs, refer to Section 7.1. Technical data.
The parameter for input filtering, input inversion and pulse counters can be set in the
Configuration menu under each I/O card (for example Configuration/BI01/Input
filtering).
The events and parameters of I/O cards are included in the event and parameter lists
on the CD-ROM, Technical Descriptions of Functions, refer to Section 1.8. Related
documents.
Configuration
Filter time of a digital input
The filter time eliminates debounces and short disturbances on a digital input. The
filter time is set for each digital input of the REC 523 device. The operation of input
filtering is illustrated below.
*)
REC 523
This number indicates the card position in the rack.
35
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