Short Form Data
Programmable
Multi -Functional Trans-
ducer for AC Currents,
AC Voltages and Powers
MMU 3.0
=
RS232
RS485
with
m
P
Inputs
input quantities
AC current and AC voltage
in single phase or 3 phase system
voltages
L1, L2, L3 (3 terminals), N (1 terminal)
600V (inter - connected) or optional N/120V (also for N/100V or N/110V)
currents
I1, I2, I3 (6 terminals)
N/5 A or optional N/1.2 A (also for N/1 A)
Measuring Quantity
Total
L1
L2
L3
voltage (U)
U
U
1
U
2
U
3
current (I)
I
I
1
I
2
I
3
active power (P)
P
P
1
P
2
P
3
reactive power (Q)
Q
Q
1
Q
2
Q
3
apparent power (S)
S
S
1
S
2
S
3
active factor (PF)
PF
PF
1
PF
2
PF
3
reactive factor (QF)
QF
QF
1
QF
2
QF
3
phase angle (PH)
PH
PH
1
PH
2
PH
3
frequency (f)
F
Depending on power system, not all these values van be measured.
10 V measuring input
INP
(±10 V)
Other Ratings
analog output 1
voltage & current synchronous
(2 terminals each)
refer to
General Data
interfaces
RS 232 (SUB–D jack), RS 485 (2 terminals)
digital output
contactāĆāfree via opto coupler
1, 2, or 3 additional analog outputs (galvanically isolated) and
up to 8 additional digital outputs (galvanically isolated) are optional
accuracy
class 0.5
(
±
0.5% of end value)
auxiliary voltage
wide range supply
refer to
General Data
dimensions
basic version: 3 modules in single - phase
resp. 4 modules in three - phase systems,
optional outputs: additional 1 to 3 modules
each module WxHxL
22.5 mm x 80 mm x 115 mm
weight
approx. 0.6 kg (basic version)
for detailed information
refer to Data Sheet No. 055.##
prices
refer to Price Sheet No. 055.##
Short Form Data
Transducers for
Active Power and
Reactive Power
DUW 2.1
DUB 2.1
VUW 2.1
VUB 2.1
=
P/Q
Inputs
input rating
sinusoidal AC current and
sinusoidal AC voltage
input quantity P
E
active or reactive power
type
active / reactive power
3 - phase 3 - wire system unbalanced load
DUW 2.1
DUB 2.1
3 - phase 4 - wire system unbalanced load
VUW 2.1
VUB 2.1
measuring range
0 ... P
N
or –P
N
... 0 ... P
N
P
N
= (0.3 ... 1.5) . P
S
P
S
= 3 . U . I
rated input voltage U
EN
65 V, 100 V, 110 V, 240 V, 400 V, 415 V, 440 V,
500 V, 600 V or deviating from standard inputs
ranging from 0 ... (60 V ... U
EN
... 600 V)
rated input current I
EN
N/1 A, N/5 A or deviating from standard inputs
ranging from
0 ... (0,5 A ... I
EN
... 5 A)
modulation range
1.2 U
EN
and 1.2 I
EN
overload limits
1.2 U
EN
,
1.2 I
EN
continuously
2 U
EN
,
10 I
EN
1 s max.
frequency range
50 Hz (48 ... 52 Hz) or
16
2
/
3
Hz, 60 Hz, 100 Hz, others on request
power consumption
<1 mA each voltage circuit
≤
0.1 VA each current circuit for I
EN
= 1 A
≤
1.6 VA each current circuit for I
EN
= 5 A
Other Ratings
outputs
refer to
General Data
accuracy
class 0.5
(
±
0.5% of end value)
auxiliary voltage
refer to
General Data
dimensions
WxHxL
45 mm x 80 mm x 115 mm
weight
DUW/DUB 2.1
VUW/VUB 2.1
approx. 0.29 kg
approx. 0.31 kg
for detailed information
refer to Data Sheet No. 051.##
prices
refer to Price Sheet No. 051.##
