Analog Outputs - OHIO SEMITRONICS DMT-1042D Mode D'emploi

Continuous Thermal Ratings of Inputs
Current Circuit 10 A 400 V
Voltage Circuit 480 V
831 V
Transient Thermal Rating of Inputs
Input Number
Variable of Inputs
Current 400 V single-phase AC system
Circuit
693 V three-phase system
100 A 5
250 A 1
Voltage Circuit 1 A, 2 A, 5 A
Single-Phase
AC System
600 V
H : 1.5 Ur 10
intern
Three-Phase
System
1040 V
H : 1.5 Ur 10
intern

Analog Outputs

For the outputs A, B, C and D:
Output Impressed
Variable Y DC Current
Full Scale Y2 see "Ordering
Information"
Limits of Ouput
Signal for Input
Overload
and/or R = 0 1.25 · Y2
R→ ∞ 30 V
Rated Useful
7.5 V
Range of 0 ≤
Y2
Output load
AC Component
of Output
≤ 0.005 · Y2
Signal
(peak-to-peak)
The outputs A, B, C and D may be either short- or open-
circuited. They are electrically insulated from each other and
from all other circuits (floating).
7004-00075-A Rev --.indd
single-phase AC system
693 V
three-phase system
single-phase AC system
three-phase system
Duration Interval
of Between Two
Overload Overload
Events Events
3 s 5 min.
1 s 1 hour
10 s 10 s
10 s 10 s
Impressed
DC Voltage
see "Ordering
Information"
40 mA
1.25 · Y2
15 V Y2 Y2
≤ ∞
≤ ≤
Y2 2 mA 1 mA
≤ 0.005 · Y2
Page 31 of 36
Digital Outputs, Pulse Outputs, Limit Outputs
The digital outputs conform to DIN 43 864. The pulse
width can be neither programmed nor is there a hardware
setting.
Type of Contact: Open Collector
Number of Pulses: Programmable
Pulse Duration: ≥ 100 ms
Interval: ≥ 100 ms
External Power Supply: 8 to 40 V
Output Current: ON 10 to 27 mA
OFF ≤ 2 mA
System Response
Duration of the
Measurement Cycle: Approx. 0.25 to 0.5 s at 50 Hz,
depending on measured variable
and programming
Response Time: 1 to 2 times the measurement
cycle
Accuracy Class: (the reference value is the full-scale
value Y2)
Measured
Condition
Variable
System:
Active, Reactive
and Apparent 0.5 ≤ X2/Sr ≤ 1.5
Power 0.3 ≤ X2/Sr < 0.5
Phase:
Active, Reactive
and Apparent 0.167 ≤ X2/Sr ≤ 0.5
Power 0.1 ≤ X2/Sr < 0.167
0.5 Sr ≤ S ≤ 1.5 Sr,
(X2 - X0) = 2
0.5 Sr ≤ S ≤ 1.5 Sr,
1 ≤ (X2 - X0) < 2
Power Factor,
0.5 Sr ≤ S ≤ 1.5 Sr,
Active Power
0.5 ≤ (X2 - X0) < 1
Factor and
0.1 Sr ≤ S < 0.5 Sr,
Reactive Power
(X2 - X0) = 2
Factor
0.1 Sr ≤ S < 0.5 Sr,
1 ≤ (X2 - X0) < 2
0.1 Sr ≤ S < 0.5 Sr,
0.5 ≤ (X2 - X0) < 1
AC Voltage 0.1 Ur ≤ U ≤ 1.2 Ur
AC Current/
0.1 Ir ≤ I ≤ 1.5 Ir
Current Averages
0.1 Ur ≤ U ≤ 1.2 Ur
System
resp.
Frequency
0.1 Ir ≤ I ≤ 1.5 Ir
according to IEC 1036
Energy Meter
0.1 Ir ≤ I ≤ 1.5 Ir
* Basic accuracy 0.5 c for applications with phase-shift
Accuracy
Class*
0.25 c
0.5 c
0.25 c
0.5 c
0.25 c
0.5 c
1.0 c
0.5 c
1.0 c
2.0 c
0.2 c
0.2 c
0.15 + 0.03 c
(f = 50-60 Hz)
N
0.15 + 0.1 c
(f = 16 2/3 Hz)
N
1.0
5/28/10