Attachment to Certificate IECEx PTB X

Transcription

1 Applicant: Electrical Apparatus: Pepperl + Fuchs GmbH Cuboidal inductive proximity sensors Types Fj, NJ, NB and NC The cuboidal inductive proximity sensors of types Fj, NJ, NB and NC are used to convert mechanical displacements into an electrical signal. Electrical data: Evaluation and supply circuit type of protection Intrinsic Safety Ex ia IIC/IIB/IIA resp. Ex ib IIC/IIB/IIA Only for connection to a certified intrinsically safe circuit Maximum values: Type 1 Type 2 Type 3 Type 4 U i 16 V 16 V 16 V 16 V I i 25 ma 25 ma 52 ma 76 ma P i 34 mw 64 mw 169 mw 242 mw For the application as zone-0 (EPL Ga) equipment the evaluation and supply circuit must correspond to type of protection Intrinsic Safety Ex ia IIC/IIB/IIA. For relationship between type of the connected circuit, maximum permissible ambient temperature for group II zone 0 (EPL Ga) resp. group II zone 1 resp. group I equipment and temperature class as well as the effective internal reactances for the individual types of cuboidal inductive sensors, reference is made to the following tables: Table 1: Application as Group II Zone 0 (EPL Ga) equipment: types Ci nf Li µh Type 1 Type 2 Type 3 Type 4 Ii = 25mA Ii = 25mA Ii = 52mA Ii = 76mA Pi = 34 mw Pi = 64 mw Pi = 169 mw Pi = 242 mw FJ N FJ 7-N NCB2-F1-N NCB2-V3-N NCN2-F56-N NBN3-F69-N NBN4-V3-N NBN4-V3-N Y NBB15-U.K-N NBB20-U.K-N NBN30-U.K-N NBN40-U.K-N NCN4-V3-N Page 1 of 7

2 NCB15+U...+N NCB40-FP-N NCN15-M...-N NCB20-L2-N NCN20+U...+N NCN30+U...+N NCN40+U...+N NCN40-L2-N NCN50-FP-N NJ 0,8-F-N NJ 1,5-F-N NJ 2,5-F-N NJ 2-F1-N NJ 2-V3-N NJ 3-V3-N NJ 4-F-N NJ 6-F-N NJ 10-F-N NJ 15+U.+N NJ 15-M1.-N NJ 20+U.+N NJ 30+U.+N NJ 30P+U.+1N NJ N NJ 50-FP-N Table 1: Application as Group II Zone 0 (EPL Ga) equipment Where the temperature is missing the sensor is not suitable in connection with that particular type of intrinsically safe circuit at the particular temperature. The dots in the labelling represent free definable parameters. This free definable parameters can be omitted or replaced by letters or digits. When assigning the actual sensor to the table use the model description which describes the sensor best. Letters and digits describe the different types according to the model description key. The sum of all capacitances and inductances, including tolerance and a 10 m cable, result to the given values for Ci and Li shown above. Table 2: Application as Group II Zone 1 equipment: types Ci nf Li µh Type 1 Type 2 Type 3 Type 4 Ii = 25mA Ii = 25mA Ii = 52mA Ii = 76mA Pi = 34 mw Pi = 64 mw Pi = 169 mw Pi = 242 mw FJ N FJ 7-N NCB2-F1-N NCB2-V3-N Page 2 of 7

3 NCN2-F56-N NBN3-F69-N NBN4-V3-N NBN4-V3-N0- Y NBB15-U.K-N NBB20-U.K-N NBN30-U.K-N NBN40-U.K-N NCN4-V3-N NCB15+U...+N NCB40-FP-N NCN15-M...-N NCB20-L2-N NCN20+U...+N NCN30+U...+N NCN40+U...+N NCN40-L2-N NCN50-FP-N NJ 0,8-F-N NJ 1,5-F-N NJ 2,5-F-N NJ 2-F1-N NJ 2-V3-N NJ 3-V3-N NJ 4-F-N NJ 6-F-N NJ 10-F-N NJ 15+U.+N NJ 15-M1.-N NJ 20+U.+N NJ 30+U.+N NJ 30P+U.+1N NJ N NJ 50-FP-N Table 2: Application as Group II Zone 1 equipment Where the temperature is missing the sensor is not suitable in connection with that particular type of intrinsically safe circuit at the particular temperature. The dots in the labelling represent free definable parameters. This free definable parameters can be omitted or replaced by letters or digits. When assigning the actual sensor to the table use the model description which describes the sensor best. Letters and digits describe the different types according to the model description key. The sum of all capacitances and inductances, including tolerance and a 10 m cable, result to the given values for Ci and Li shown above. Page 3 of 7

4 Table 3: Application as Group I equipment: type 1 Ii = 25 ma Pi = 34 mw type 2 Ii = 25 ma Pi = 64 mw type 3 Ii = 52 ma Pi = 169 mw type 4 Ii = 76 ma Pi = 242 mw type Ci [nf] Li [µh] maximum permissible ambient temperature in C FJ N FJ 7-N NCB2-F1-N NCB2-V3-N NCN2-F56-N NBN3-F69-N NBN4-V3-N NBN4-V3-N0- Y NBB15-U.K-N NBB20-U.K-N NBN30-U.K-N NBN40-U.K-N NCN4-V3-N NCB15+U...+N NCN15-M...-N NCB20-L2-N NCN20+U...+NO NCN30+U...+NO NCB40-FP-N NCN40+U...+NO NCN40-L2-N NCN50-FP-N NJ 0,8-F-N NJ 1,5-F-N NJ 2,5-F-N NJ 2-F1-N NJ 2-V3-N NJ 3-V3-N NJ 4-F-N NJ 6-F-N NJ 10-F-N NJ 15+U.+N NJ 15-M1.-N NJ 20+U.+N NJ 30+U.+N NJ 30P+U.+1N NJ N NJ 50-FP-N Table 3: Application as Group I equipment Page 4 of 7

5 Where the temperature is missing the sensor is not suitable in connection with that particular type of intrinsically safe circuit at the particular temperature. The dots in the labelling represent free definable parameters. This free definable parameters can be omitted or replaced by letters or digits. When assigning the actual sensor to the table use the model description which describes the sensor best. Letters and digits describe the different types according to the model description key. The sum of all capacitances and inductances, including tolerance and a 10 m cable, result to the given values for Ci and Li shown above. Special conditions for safe use: 1. For relationship between type of the connected circuit, maximum permissible ambient temperature and temperature class as well as the effective internal reactances for the individual types of cuboidal inductive sensors, reference is made to tables 1 to 3 given in this annex to and in the operating instruction manual. 2. Appropriate measures need to be taken to protect the cuboidal inductive sensors against mechanical damage due to impact if they are used within an ambient temperature range between 60 C and 20 C. An ambient temperature below 60 C is not permissible. 3. For the following cuboidal inductive sensors for group I and II appropriate measures need to be taken to protect the free resin surface against mechanical damage if this is accessible after installation: Type FJ N... FJ 7-N... NCB2-V3-N0... NCN4-V3-N0... NJ 0,8-F-N... NJ 1,5-F-N... NCN2-F56-N1... NBN4-V3-N0... NBN3-F69-N0... NBN4-V3-N0-Y NJ 2-V3-N... NJ 3-V3-N 4. The connection facilities of the cuboidal inductive sensors shall be installed as such that a minimum degree of protection of IP20 according IEC-Publication is complied with. Page 5 of 7

6 5. When the following types of cuboidal inductive sensors are applied corresponding to the explosion group, apparatus group and zones tabulated below, inadmissible electrostatic charge of the plastic housing has to be prevented. The equipment shall be labelled with an appropriate warning note: Type Group II Zone 0 (EPL Ga) Group II Zone 1 Group I FJ N... IIB/IIC IIC - FJ 7-N... IIC - - NCB2-F1-N0... IIC - - NCB2-V3-N0... IIC - - NCN2-F56-N NBN3-F69-N0 IIC - - NBN4-V3-N0... IIC - - NBN4-V3-N0-Y IIC - - NBB15-U.K-N0 IIC IIC - NBB20-U.K-N0 IIC IIC - NBN30-U.K-N0 IIC IIC - NBN40-U.K-N0 IIC IIC - NCN4-V3-N0... IIC - - NCB15+U...+N0... IIC IIC - NCN15-M...-N0.. IIC - - NCB20-L2-N0 IIC - - NCN20+U...+NO... IIC IIC - NCN30+U...+NO... IIC IIC - NCB40-FP-N0.. IIA/IIB/IIC IIC - NCN40+U...+NO... IIB/IIC IIC - NCN40-L2-N0 IIC - - NCN50-FP-N0... IIA/IIB/IIC IIC - NJ 0,8-F-N NJ 1,5-F-N NJ 2,5-F-N... IIC - - NJ 2-F1-N... IIC - - NJ 2-V3-N... IIC - - NJ 3-V3-N IIC - - NJ 4-F-N... IIC IIC - NJ 6-F-N IIC - - NJ 10-F-N... IIC - - NJ 15+U.+N... IIC IIC - NJ 15-M1.-N... IIC - - NJ 20+U.+N... IIC IIC - NJ 30+U.+N... IIC IIC - NJ 30P+U.+1N... IIB/IIC IIC - NJ N... IIB/IIC IIC - NJ 50-FP-N... IIA/IIB/IIC IIC - Page 6 of 7

7 6. Inadmissible electrostatic charge of parts of the metal housing has to be avoided for the following types of cuboidal inductive sensors. Dangerous electrostatic charge of parts of the metal housing can be prevented by grounding these parts whereas very small parts of the metal housing (e.g. screws) do not need to be grounded: FJ N... FJ 7-N... NBB15-U3K-N0 NBB15-U4K-N0 NBB20-U3K-N0 NBB20-U4K-N0 NBN30-U3K-N0 NBN30-U4K-N0 NBN40-U3K-N0 NBN40-U4K-N0 NCB15+U3+N0... NCB15+U4+N0... NCB20-L2-N0 NCB40-FP-N0-P3... NCB40-FP-N0-P4... NJ 30+U3+N... NJ 30+U4+N... NJ 30P+U3+1N... NJ 30P+U4+1N... NJ 40+U3+N... NJ 40+U4+N... NJ 50-FP-N-P3... NJ 50-FP-N-P4... NCN20+U3+NO... NCN20+U4+NO... NCN30+U3+NO... NCN30+U4+NO... NCN40-L2-N0 NCN40+U3+NO... NCN40+U4+NO... NCN50-FP-N0-P3... NCN50-FP-N0-P4... NJ 15+U3+N... NJ 15+U4+N... NJ 15-M1.-N... NJ 20+U3+N... NJ 20+U4+N... Page 7 of 7