6827166 TURCK | Alldatasheet
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Technical content
Edition • 2023-07-21T16:15:10+02:00 BL20 electronic module Connection of SSI Encoders BL20-1SSI Type BL20-1SSI ID 6827166 Rated voltage from the supply terminal 24 VDC Nominal current from field supply ð 25 mA Nominal current from module bus ð 50 mA Power dissipation, typical ð 1 W Inputs/outputs Transmission signals CL, D Connection type 4-wire full duplex (clock output/signal input) Transmission rate 62.5 kbps up to 1 Mbps Parameters Transmission rate, diagnostics, data format (binary / GRAY coded), data frame bits (1-32), number of in- valid bits (LSB: 0-15, MSB 0-7) Cable length (L) 30 m Electrical isolation Electronics and field level isolated via optocouplers Output connectivity Screw, tension spring Dimensions (W x L x H) 12.6 x 74.1 x 55.4 mm Approvals CE, cULus, zone 2, Class I, Div. 2 Ambient temperature 0…+55 °C Storage temperature -25…+85 °C Relative humidity 15…95 %, no condensation allowed Vibration test Acc. to EN 61131 Shock test Acc. to IEC 60068-2-27 Drop and topple acc. to IEC 68-2-31 and free fall to IEC 68-2-32 Electromagnetic compatibility Acc. to EN 50082-2 Protection class IP20 MTTF 1172 years acc. to SN 29500 (Ed. 99) 20 °C ■ Fieldbus and connection technology inde- pendent ■ Protection class IP20 ■ LEDs indicate status and diagnostic ■ Electronics galvanically separated from the field level via optocouplers ■ Connection of SSI encoder ■ Transmission rate, max. 1Mbps Functional principle BL20 electronic modules are plugged into the purely passive base modules which are used for connection of field devices. Maintenance is significantly facilitated due to separation of the connection level from the module electronics. Furthermore flexibility is enhanced because the base modules provide a choice of tension spring or screw connection technology. The electronic modules are completely inde- pendent of the type of higher level field bus through the use of gateways.
Edition • 2023-07-21T16:15:10+02:00 Compatible base modules Dimension drawing Type Pin configuration BL20-S4T-SBBS 6827046 Tension spring connection BL20-S4S-SBBS 6827047 Screw connection Wiring Diagram
Edition • 2023-07-21T16:15:10+02:00 Accessories Type code Ident-No. Dimension drawing ZBW5-2BETÄTIGUNGSWERKZEUG6827129 Tension spring tool