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Potentiometer, Magnetic encoder, Network cabinet, Enclosure, Incremental encoder
Text version of the page
| ELMA Your Solution Partner | |||||||||||||||||||||||||
| Mechanical Design The VMEbus is designed for 19-inch rack technology and supports bus lengths of up to 21 slots. In this system, slot 1 is on the left of the rack, with the rest of the bus extending to the right. The daughter boards are connected to the backplane with 96-pin connectors to DIN 41612. Three configurations of the VMEbus are available for different applications. | |||||||||||||||||||||||||
| - Operating temperature Passive termination: -40 °C to +85 °C Active termination: 0 °C to +50 °C - Storage temperature -55 °C to +85 °C - Climatic conditions according IEC 68/1: 25/085/21 | |||||||||||||||||||||||||
| J1-plane The basic configuration is the 3U high (Single Eurocard) J1 plane. This plane provides all the address, data and control lines, and is fully capable of operating as a standalone bus. | |||||||||||||||||||||||||
| MECHANICAL | |||||||||||||||||||||||||
| Flammability: - PCB: UL 94 V-0 - Connectors: UL 94 V-0/-1 Vibration: - According to DIN 41640 Part 15: 10 Hz - 500 Hz 5 g rms - Impact (10 Impacts per axis x,y,z) 100 g, 6 ms Connectors DIN 41612, C96 type, class 2 with 400 connection cycles | |||||||||||||||||||||||||
| J2-plane For larger computer structures, the basic configuration can be extended with a second plane, the J2 plane, also 3U high. It lies directly below the J1 plane in the 19-inch rack and extends the data and address space of the computer system. In addition, the user is provided with 64 freely-definable inputs/outputs per slot, which can be connected using interconnection points on the rear of the backplane. | |||||||||||||||||||||||||
| The J2 plane is only used as an extension of the VMEbus from the J1-plane and cannot be operated as a standalone bus. | |||||||||||||||||||||||||
| J1/J2-Monolithic Monolithic backplanes combine the J1 and J2 planes of the VMEbus on a single printed circuit board. Preference should be given to these PCBs for new designs which access the J2 plane. Because of its continuous power supply layers, the monolithic backplane is superior to two separate J1 and J2 planes, particularly with respect to dynamic current distribution. | |||||||||||||||||||||||||
| Compliant to VMEbus Specification ANSI/VITA 1-1994 Maximum data transfer rate 80 Mbyte/s for MBLT-protocol and 160 Mbyte/s for 2e-protocol | |||||||||||||||||||||||||
| No. of slot 2 3 4 PCB width (mm) 39,64 53.5 73.7 | 5 6 7 8 9 93.9 114.3 134.6 155.0 175.3 | ||||||||||||||||||||||||
| No. of slot 10 11 12 13 14 15 16 17 PCB width (mm) 195.6 215.6 236.2 256.5 276.2 297.2 317.5 337.8 No. of slot 18 19 20 21 PCB width (mm) 358.1 378.5 398.8 419.1 | |||||||||||||||||||||||||
| 29 | |||||||||||||||||||||||||