Instrument Manual PR1625/60
Minebea Intec EN-3
List of Contents
1Description...................................................................................................................................................5
2Safety Instructions.....................................................................................................................................7
2.1 Intended Use...........................................................................................................................................................7
2.2 Explosion Protection............................................................................................................................................7
2.3 Initial Inspection....................................................................................................................................................7
2.4 Before Commissioning ........................................................................................................................................8
2.5 Maintenance and Repair ....................................................................................................................................8
2.5.1 Failure and Excessive Stress..........................................................................................................................................8
2.5.2 Static Sensitive Components........................................................................................................................................8
2.5.3 Fuses ....................................................................................................................................................................................8
3Technical Data.............................................................................................................................................9
3.1 Performance Characteristics and Specifications........................................................................................9
3.2 General Data...........................................................................................................................................................9
3.3 Supply .......................................................................................................................................................................9
3.4 Interface to the Hazardous (Ex) Area.......................................................................................................... 10
3.4.1 Supply voltage output .................................................................................................................................................10
3.4.2 Bidirectional serial interface (RX/TX) .......................................................................................................................10
3.4.3 Digital input TXE (transmit enable)..........................................................................................................................10
3.4.4 Digital inputs (IN1/IN2)................................................................................................................................................10
3.5 Interface to the Safe Area .............................................................................................................................. 11
3.5.1 Bidirectional serial interface (RX/TX) .......................................................................................................................11
3.5.2 Digital Outputs (OUT1/OUT2).....................................................................................................................................11
3.6 Enviromental Conditions................................................................................................................................. 12
3.7 Electromagentic Compatibility...................................................................................................................... 13
3.8 Dimensions and Weights................................................................................................................................. 13
3.9 Approvals .............................................................................................................................................................. 13
3.10 Accessories (included in delivery)................................................................................................................. 13
4Mounting and Connections...................................................................................................................14
4.1 Mounting.............................................................................................................................................................. 14
4.2 Connections ......................................................................................................................................................... 15
4.2.1 Potential Equalization..................................................................................................................................................16
4.2.2 Terminal Allocation.......................................................................................................................................................17
