
Function Expansion Unit FE260
Elster-Instromet GmbH 3
Contents
ISafety information ....................................................................................................... 4
II Items supplied and accessories................................................................................. 5
II-1 Included items ................................................................................................ 5
II-2 Ordering information and accessories............................................................ 5
1Brief description .......................................................................................................... 6
2Mounting ...................................................................................................................... 8
3Installation.................................................................................................................. 10
3.1 Power supply to the FE260 .......................................................................... 10
3.1.1 "AC" versions (for alternating voltage 230 V or 115 V) ....................................... 10
3.1.2 "DC" version (for direct voltage of 10 to 30 V) .................................................... 10
3.2 Screening and earthing ................................................................................ 11
3.3 Intrinsically safe electrical circuits................................................................. 11
3.3.1 Cables and cable lengths ................................................................................... 12
3.3.2 Terminal layout ................................................................................................... 13
3.4 Digital Outputs A1 to A4 ............................................................................... 14
3.5 Modem.......................................................................................................... 14
3.5.1 Integral standard modem or ISDN modem ......................................................... 14
3.5.2 Integral GSM modem.......................................................................................... 15
3.5.3 Connection of a separate modem....................................................................... 16
3.5.4 Connection of a CL modem ................................................................................ 17
4Initial operation.......................................................................................................... 18
4.1 Power supply ................................................................................................ 18
4.2 Digital outputs............................................................................................... 19
4.3 Modem.......................................................................................................... 20
4.3.1 CL modem .......................................................................................................... 21
4.3.2 Problems during data transfer and solutions ...................................................... 21
4.4 Local interfaces (optical interface and RS-232) ........................................... 23
4.4.1 Reading out and parameterising the volume corrector ....................................... 24
4.4.2 Parameterisation of the modem integrated into the FE260................................. 24
4.4.3 Test mode........................................................................................................... 24
AApprovals ................................................................................................................... 25
A-1 EC Declaration of Conformance................................................................... 25
A-2 Approval as associated operating equipment .............................................. 26
A-3 Declaration of conformance for use in areas subject to explosion hazards,
Zone 2 .......................................................................................................... 30
BTechnical data............................................................................................................ 31
B-1 General data (mechanical and ambient conditions) ..................................... 31
B-2 Power supply ................................................................................................ 31
B-3 Intrinsically safe power supply for the volume corrector............................... 32
B-4 Connections for volume corrector digital outputs ......................................... 32
B-5 Serial data interface to the volume corrector................................................ 33
B-6 Digital outputs............................................................................................... 33