Page 1: Table Of Contents
5.4. Indication of response time pag 7 5.5. Indications and alarms pag 8 Failures and troubleshooting 5.6. This manual is related to KS Series pressure transducer, SIL2 certified according to the standards IEC/EN62061 85194E_MAN_Electrical Installation for Probes_KS and KS-SIL2 Series_08-2022_ENG...
Page 2: General Precautions
1. General Precautions The system must be used only in accordance with the required protection level. The sensor must be protected against accidental knocks and used in accordance with the instrument’s ambient characteristics and per- formance levels. Sensors must be powered with non distributed networks. For outdoor installations or with cables longer than 30 m*, proceed as indicated at paragraph 3.
Page 3: Electrical Connections Series Ks
Electrical connections RATIOMETRIC AND VOLTAGE AMPLIFIED OUTPUT cod. C cod. Z cod. E cod. F CONTROLLER SUPPLY Black AMPLIFIER White OUTPUT CURRENT AMPLIFIED OUTPUT - mod. E cod. C cod. Z cod. E cod. F CONTROLLER SUPPLY Black SIGNAL Interfaces with SRP/CS and voltage devices The interface with SRP/CS (Safety Related Part of a Control System) is made by mean of multipolar connectors showed on pictures below, where the connections are specified in case of amplified voltage output (3 wire) or current output (2 wire system, the sensor is connected in series with the current loop).
Page 4: Protection For Outdoor Installations Of Analog Sensors
3. Protection for outdoor installations of analog sensors Pressure / Analog current output CAL signals if any do not require protection PLC side Transducer side +24Vdc +24Vdc B72210-S-250-K01 B72210-S-250-K01 machine ground PLC ground PLC side Transducer side +OUT B72210-S-250-K01 PLC side Ground Pressure / Analog voltage output CAL signals if any do not require protection...
Page 5: Technical Specifications
4. Technical specifications Output signal VOLTAGE RATIOMETRIC CURRENT Non Linearity (BFSL) ± 0.15% FS (typ) ± 0.25% FS (max) Hysteresis + 0.1% FS (typ) + 0.15% FS (max) Repeatability ± 0.025% FS (typ) ± 0.05% FS (max) Zero offset tolerance ±...
Page 6: Functional Safety (Content According To Iec/En 62061 Paragraph 7)
5. Functional Safety (content according to IEC/EN 62061 paragraph 7) 5.1 Application The pressure sensor KS performs the following safety function: correct reading and transduction of pressure to individuate overpressure. Reading and transduction is considered cor- rect when it is within the specifications declared in the datasheet and in the Operating Manual. The SIL parameters of the transducer are shown in the table below: Parameter Value...
Page 7: Restrictions Of Use
The response time to the pressure transduction is equal to 1 ms 5.5 Indications and alarms The KS Series pressure sensors in the case of some specific anomalies provide output saturation (positive HIGH or negative LOW). The table 1 indicates the detected failures, their effect on the electrical output, and the recovery mode of the device.
Page 8: Failures And Troubleshooting
5.6 Failures and troubleshooting In case of failures or malfunctions, on Table 2 you can find the most common failures and the means of appropriate search: Table 2: troubleshooting Failure Possible causes Means of research The sensor does not feel pressure Obstruction of pressure 1.
Page 9 85194E_MAN_Electrical Installation for Probes_KS and KS-SIL2 Series_08-2022_ENG...
Page 10 GEFRAN spa via Sebina, 74 25050 PROVAGLIO D’ISEO (BS) - ITALIA tel. 0309888.1 - fax. 0309839063 Internet: http://www.gefran.com 85194E_MAN_Electrical Installation for Probes_KS and KS-SIL2 Series_08-2022_ENG...

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