7
251/02 en
2 Technical Data
Display
4-line, 16-digit LC display
1 LED lamp (green) for signalling status
1 LED lamp (red) each for signalling U<, U>, I>
1 LED lamp (green) for signalling“parallel operation active“ status
1 LED lamp (green) for signalling "Normset active“ status
Inputs and outputs
Input relays
Output relays
1x parallel
Rating of relay contacts:
1x high-speed circuit breaker of voltage
AC: 250 V 5 A
limit monitoring indicator
DC: 30 V 5 A; 110 V 0.4 A;
1 x analogue input of tapping position 4- 20 mA
220 V 0.3 A
1 x desired voltage level 2
1 x raise
1 x desired voltage level 3
1 x lower
1 x automatic control mode
1 x status
1x group interrupt U<, U>, I>
1x monitoring (function monitoring)
Voltage transformer
85 ... 140 V, measuring range 60 ... 185 V,
r.m.s. value 40 ... 60 Hz, intrinsic consumption < 1 VA
Current transformer
0.2 / 1 / 5 A, 40 ... 60 Hz, r.m.s. value
intrinsic consumption < 1 VA,
overload capacity 2x In continuously, 100x In/1 s
Measuring errors
Voltage measuring: < 0.3 % ± 40 ppm/°C
Current measuring: < 0.5 % ± 40 ppm/°C
Serial interfaces
1 x RS232 (COM1) for
parametering via PC
1 x RS 232 for parallel operation of two transformers with a second regulator or for parallel
operation with digital MR parallel control unit SKB
IEC EN 60688
Power supply
115 V (+25 % - 35 %) 40 - 60 Hz, can be changed over either from
the measuring voltage or by separate change-over in the factory to
a supply voltage of 230 V
Power consumption approx. 5.5 VA (at 115V, idle state)