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Pilz 772 160, Руководство по эксплуатации

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Function Description

Operating Manual PNOZ m EF 4AI
1004650-EN-02

| 21

Hysteresis:

2 threshold values are configured per switching threshold. One threshold value (switch-on
threshold) defines when the affected output is switched on. The second threshold value
(switch-off threshold) defines when the output will be switched off again.

Monitoring to "greater than"

mA

t

0

1

Switch-off threshold

Hysteresis

Switch-on threshold

Output

Monitoring to "less than"

mA

t

0

1

Switch-on threshold

Hysteresis

Switch-off threshold

Output

4.3.7

Range monitoring

In contrast to the threshold value monitoring, an upper and a lower switching threshold are
defined in the range monitoring.
This is to monitor both exceeding or dropping below a limit value.

Hysteresis:

2 threshold values are configured per switching threshold. One threshold value (switch-on
threshold) defines when the affected output is switched on. The second threshold value
(switch-off threshold) defines when the output will be switched off again.

Содержание 772 160

Страница 1: ...PNOZ m EF 4AI Operating Manual 1004650 EN 02 Configurable safe small controllers PNOZmulti 2...

Страница 2: ...nta tion will be gratefully received Source code from third party manufacturers or open source software has been used for some components The relevant licence information is available on the Internet...

Страница 3: ...Description 12 4 1 Integrated protection mechanisms 12 4 1 1 Measures for achieving process safety 13 4 2 Analogue inputs 15 4 3 Monitoring functions 15 4 3 1 Working range monitoring 15 4 3 2 Plausib...

Страница 4: ...Contents Operating Manual PNOZ m EF 4AI 1004650 EN 02 4 8 Technical details 34 8 1 Safety characteristic data 37 9 Order reference 38 9 1 Product 38 9 2 Accessories 38...

Страница 5: ...cularly important is identified as follows DANGER This warning must be heeded It warns of a hazardous situation that poses an immediate threat of serious injury and death and indicates preventive meas...

Страница 6: ...Introduction Operating Manual PNOZ m EF 4AI 1004650 EN 02 6 INFORMATION This gives advice on applications and provides information on special fea tures...

Страница 7: ...it sign Bit Working range monitoring 15 in accordance with NAMUR NE43 recommendation Scaling function 20 Plausibility check 17 Mathematical operations 20 Constant 20 Threshold value monitoring 20 Rang...

Страница 8: ...Firmware version FW Serial number Legend X1 Analogue inputs I0 I0 I1 I1 X2 Analogue inputs I2 I2 I3 I3 X3 Supply connections 0 V 24 V to supply the sensors X4 Supply connections 0 V 24 V 0 V 24 V to s...

Страница 9: ...itioning The product PNOZ m EF 4AI can be used in furnaces in accordance with EN 298 You must make sure that there is sufficient overvoltage protection You must use only symmetrically operated cables...

Страница 10: ...section for details of which versions of the base unit and PNOZmulti Configurator can be used for this product 3 3 Safety regulations 3 3 1 Safety assessment Before using a device it is necessary to...

Страница 11: ...been made e g exchanging components on the PCB boards soldering work etc 3 3 4 Disposal In safety related applications please comply with the mission time TM in the safety related characteristic data...

Страница 12: ...ions in accordance with SIL 2 When the analogue input module for applications in accordance with SIL 2 is to be used sensors must be connected that comply with EN IEC 62061 SIL 2 Scaling Threshold val...

Страница 13: ...unction Working range monitoring Please note that the overall accuracy must be considered when defining monitored limit val ues in the user program The calculation of the overall accuracy is described...

Страница 14: ...ut signals In the example a tolerance of 2 has been determined If as set tolerance is exceeded the analogue value is signalised as invalid For availability reasons we therefore recommend that you use...

Страница 15: ...ring range is 0 25 mA 4 3 Monitoring functions In the PNOZmulti Configurator you can configure the following limit values and monitoring functions 4 3 1 Working range monitoring With the working range...

Страница 16: ...r Hysteresis R1 R2 R3 R4 Upper hysteresis R3 R4 The numerical value is invalid when R4 is exceeded The numerical value is valid again when R3 is undershot Lower hysteresis R1 R2 The numerical value is...

Страница 17: ...d with a reference signal P When the deviation of both values is greater than the configured tolerance the numerical value will be signalised as invalid The reference signal is used to calculate the t...

Страница 18: ...a maximum Max percentage by which the signals may differ Combined tolerance Both an absolute value and a percent age value are configured The higher tolerance value is valid respectively Peak toleran...

Страница 19: ...signal Leading signal Analogue value valid t1 t2 t1 Deviation tolerance Fig Leading signal exceeds the tolerance time t1 mA t 0 1 Plausibility signal Leading signal Analogue value valid t1 t2 t1 Devia...

Страница 20: ...ation with two numerical values Addition The sum of two numerical values is calculated X Y Subtraction The difference of two numerical values is calculated X Y Average The average value of two numeric...

Страница 21: ...is Switch on threshold Output Monitoring to less than mA t 0 1 Switch on threshold Hysteresis Switch off threshold Output 4 3 7 Range monitoring In contrast to the threshold value monitoring an upper...

Страница 22: ...tput on the base unit display Each value to be passed on is assigned to a fieldbus address When no element Diagnostics is configured the fieldbus address is assigned automatic ally to the 4 analogue i...

Страница 23: ...l PNOZ m EF 4AI 1004650 EN 02 23 4 4 Block diagram Supply 24 V DC Data FS Interface to previous module Interface to next module I0 I0 I1 I1 I2 I2 I3 I3 0 V Input Supply 24 V Input I 0 25 mA Input I 0...

Страница 24: ...mply with EMC requirements the mounting rail must have a low impedance con nection to the control cabinet housing The ambient temperature of the PNOZmulti units in the control cabinet must not exceed...

Страница 25: ...les is defined in the PNOZmulti Configurator The ex pansion modules are connected to the left or right of the base unit depending on the type Please refer to the document PNOZmulti System Expansion fo...

Страница 26: ...s 24 V and 0 V to the terminal blocks X3 and X4 are interconnec ted internally The supply of the analogue input module PNOZ m EF 4AI has to be made via the supply connections 24 V and 0 V at the termi...

Страница 27: ...a analogue input module Supply connections 24 V and 0 V are used to supply the analogue input module and to supply the sensors The terminals I0 I3 and 0 V must be bridged I0 I0 PNOZ m EF 4AI 24V 0V I1...

Страница 28: ...connections of the external power supplies have to be interconnected I0 I0 PNOZ m EF 4AI 24V 0V I1 I1 Sensor SIL2 I2 I2 24V 0V I3 I3 24V 0V Sensor SIL2 11 X1 X3 X2 X4 Sensor SIL2 Sensor SIL2 11 _ L L...

Страница 29: ...ng Operating Manual PNOZ m EF 4AI 1004650 EN 02 29 I0 I0 PNOZ m EF 4AI 24V 0V I1 I1 Sensor SIL2 24V 0V Sensor SIL2 0V 24V I2 I2 24V 0V I3 I3 Sensor SIL2 24V 0V Sensor SIL2 0V 24V 24V 0V X1 X3 X2 X4 _...

Страница 30: ...nly to supply the analogue input module The 0 V connections of the external power supplies can be interconnected I0 I0 PNOZ m EF 4AI 24V 0V I1 I1 Sensor SIL2 0V 24V _ L L 0V 24 V I2 I2 24V 0V I3 I3 24...

Страница 31: ...xpansion module has been connected to the system the project must be amended in the PNOZmulti Configurator and downloaded back into the base unit Proceed as described in the operating manual for the b...

Страница 32: ...F 4AI is in the start up phase Analogue input module PNOZ m EF 4AI is running without error Analogue input module PNOZ m EF 4AI is in stop condition Internal error on the analogue input module PNOZ m...

Страница 33: ...is in the start up phase The analogue input module is in stop condition or The analogue input module is in RUN condition I0 I0 I3 I3 Green The measured current at the relevant analogue input is insid...

Страница 34: ...Supply voltage for Module supply internal Via base unit Voltage 24 V Kind DC Current consumption 30 mA Power consumption 0 7 W Max power dissipation of module 2 W Status indicator LED Analogue inputs...

Страница 35: ...n in control cabinet off 55 C Storage temperature In accordance with the standard EN 60068 2 1 2 Temperature range 25 70 C Climatic suitability In accordance with the standard EN 60068 2 30 EN 60068 2...

Страница 36: ...ss section with screw terminals 1 core flexible 0 25 2 5 mm 24 12 AWG 2 core with the same cross section flexible without crimp connectors or with TWIN crimp connectors 0 2 1 5 mm 24 16 AWG Torque set...

Страница 37: ...data The SIL CL value in accordance with EN 62061 corresponds to the SIL value in accord ance with EN 61508 TM is the maximum mission time in accordance with EN ISO 13849 1 The value also ap plies as...

Страница 38: ...dule 4 analogue inputs 772 160 9 2 Accessories Connection terminals Product type Features Order No Set spring terminals 1 set of spring loaded terminals 751 004 Set screw terminals 1 set of screw term...

Страница 39: ...energy efficient products and environmentally friendly solutions We are represented internationally Please refer to our homepage www pilz com for further details or contact our headquarters Headquart...

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