Camille Bauer SINEAX DME 440, Руководство по эксплуатации, Страница: 35 / 40

35
The outputs A, B, C and D may be either short or open-cir-
cuited. They are electrically insulated from each other and
from all other circuits (floating).
Y2
2 mA
Y2
1 mA
15 V
Y2
Analogue outputs
For the outputs A, B, C and D:
Output Impressed Impressed
variable Y DC current DC voltage
Full scale Y2 see “Ordering see “Ordering
information” information”
Limits of output
signal for input
overload
and/or
R = 0 1.25 · Y2 40 mA
R
→ ∞
30 V 1.25 Y2
Rated useful
range of output
0
≤ ≤ ≤ ≤ ∞
load
AC component
of output signal
≤
0.005 · Y2
≤
0.005 · Y2
(peak-to-peak)
MODBUS
®
(Bus interface RS-485)
Terminals: Screw terminals, terminals 23, 24,
25 and 26
Connecting cable: Screened twisted pairs
Max. distance: Approx. 1200 m (approx. 4000 ft.)
Baudrate: 1200 … 9600 Bd (programmable)
Number of bus station: 32 (including master)
Dummy load: Not required
25 24 26 23
GND – +
7.5 V
Y2
Symbols Meaning
MODBUS
®
is a registered trademark of Schneider Automation Inc.
Input
Waveform: Sinusoïdal
Rated frequency: Acc. to type label
50, 60 or 16 2/3 Hz
Own consumption [VA]
(with external
power supply):
Voltage circuit: U 2 / 400 k
Ω
Current circuit:
≤
I
2
· 0,01
Ω
PF Active power factor cos
ϕ
= P/S
PF1 Active power factor phase 1 P1/S1
PF2 Active power factor phase 2 P2/S2
PF3 Active power factor phase 3 P3/S3
QF Reactive power factor sin
ϕ
= Q/S
QF1 Reactive power factor phase 1 Q1/S1
QF2 Reactive power factor phase 2 Q2/S2
QF3 Reactive power factor phase 3 Q3/S3
LF Power factor of the system
LF = sgnQ
·
(1 –

PF

)
LF1 Power factor phase 1
sgnQ1
·
(1 –

PF1

)
LF2 Power factor phase 2
sgnQ2
·
(1 –

PF2

)
LF3 Power factor phase 3
sgnQ3 · (1 –  PF3  )
c Factor for the intrinsic error
R Output load
Rn Rated burden
H Power supply
Hn Rated value of the power supply
CT c.t. ratio
VT v.t. ratio
Continuous thermal ratings of inputs
Current circuit
10 A 400 V
single-phase AC system
693 V
three-phase system
Voltage circuit 480 V single-phase AC system
831 V three-phase system
Short-time thermal rating of inputs
Input Number Duration Interval
variable of of between two
inputs overload overloads
Current circuit 400 V single-phase AC system
693 V three-phase system
100 A 5 3 s 5 min.
250 A 1 1 s 1 hour
Voltage circuit
1 A, 2 A, 5 A
Single-phase
AC system
600 V
H
intern
: 1.5 Ur 10 10 s 10 s
Three-phase
system
1040 V
H
intern
: 1.5 Ur 10 10 s 10 s