Каталог Weidmuller: Electronics - Analogue Signal Conditioning

Relay output
• 2-way isolation
• Monitoring of 1- and 3-phase systems from 80
to 400 V AC/DC
• Adjustable by DIP switches
• Monitoring of low and surge voltages
• Detects phase loss
• 2 relays with CO contact
VMR V AC
Three-phase
WAVESERIES - Threshold monitoring
Trip amplifier for monitoring
AC/DC circuits
Table of setting options
Technical data
Uac
Input
Input voltage
Input current
Output
Contact assembly
Switching voltage AC, max.
Continuous current
Hysteresis
Temperature coefficient
Step response time
Repeat accuracy
Status indicator
General data
Supply voltage
Default setting
Ambient temperature
Storage temperature
Approvals
Insulation coordination
Standards
EMC standards
Rated voltage
Impulse withstand voltage
Insulation voltage
Overvoltage category
Pollution severity
Clearance & creepage distances
4
5
6
1
200…400 V AC/DC
2
80…250 V AC/DC L1
3
80…250V AC/DC L2
N
80…250V AC/DC L3
11
12
7
8
14 9
21
10
L1 L2 L3 22 11
24 12
200…400 V AC/DC 1~, 80…250 V AC/DC 3~
< 10 mA DC; 15 mA AC
2 CO contacts
250 V
3 A
5% of final value
≤ 300 ppm/K
< 300 ms
< 0.3% of set range
Green LED
from the measuring circuit
DIP switches: ON = 1,2,4 / OFF = 3
0 °C...+50 °C
-25 °C...+85 °C
cULus; CE
EN 50178
EN 55011, EN 61000-6, EN 61326
600 V
6 kV
4 kV eff
/ 1 min.
III
2
Output circuit: 1.8 mm; input circuit, output circuit 1/output
circuit 2: 3 mm; input/output: 5.5 mm
Input
1 2 3 4
3 phases 80 V AC/DC...250 V AC/DC
1 phase 200 V AC/DC...400 V AC/DC
Limit value
Setting to upper switching point
Setting to lower switching point
Hysteresis
Hysteresis, small
Hysteresis, large
Fault tolerance
Operating current method
Closed-circuit current method
= on
= off
Status indicator
Voltage is in set range
Fig. 1: Overvoltage and undervoltage monitoring,
example of setting
– 3-phase monitoring
– Setting threshold to upper operating point:
230 V Hysteresis 5% = -12,5 V
– Lower operating point 10% less 230 V - 25 V = 205 V
Hyster esis 5% = + 12 ,5 V
– The device operates with the operating current principle.
– All 3 phases monitored in parallel
Input range
Output
U
1
0
0
1
0
Upper operating point
Time
Hysteresis
Hysteresis
10 %
Lower operating point
Relay 1/Operating current
principle, Overvoltage
Relay 2/Operating current
principle, Undervoltage
D
Fig. 2: Overvoltage and undervoltage monitoring,
example of setting
Dimensions
Clamping range (nominal / min. / max.)
Length x width x height
Note
mm²
mm
Screw connection
2.5 / 0.5 / 2.5
96.5 / 22.5 / 112.5
– 3-phase monitoring
– Setting threshold to lower operating point:
150 V Hysteresis 5% = +12,5 V
– Upper operating point 20% greater 150 V + 50 V = 200 V
Hyster esis 5 % = –1 2, 5 V
– The device operates with the closed-circuit current principle.
– All 3 phases monitored in parallel
U
Upper operating point
Ordering data
Screw connection
Type Qty. Order No.
WAS2 VMR 3ph 1 8705630000
Input range
0
Hysteresis
20%
Hysteresis
Lower operating point
Time
Note
Accessories
Markers – refer to Accessories.
Output
1
0
1
0
Relay 1 /Closed-circuit
current principle,
Overvoltage
Relay 2 /Closed-circuit
current principle,
Undervoltage
D.7