DOLD SAFEMASTER S UH 6937 Manuel D'utilisation page 27

Technical Data
Frequency Measuring Input
Voltage range
E1a-E2L, E1b-E3L:
E1a-E2H, E1b-E3H:
(dependent to frequency see characteristic)
Input frequency:
Variante /0_ _:
Variante /1_ _:
Galvanic separation:
Response value
Variant /0_ _:
Variant /1_ _:
Pulse frequency
inverters
Variant /0_ _:
Variant /1_ _:
Measuring accuracy
< 700 Hz:
700 Hz ... 1200 Hz:
Stability of the setting
threshold at variation of
auxiliary voltage and
temperature:
Hysteresis:
Reaction time of
frequency monitoring:
Reaction time of
direction rotation monitoring: Duration of 1 cycle (inverse value of
Alarm delay t :
V
Start up time delay t :
A
Reset delay t :
F
Switchover time period t :
U
Alarm tolerance n :
V
Start up tolerance n :
A
Switchover tolerance n :
U
Min. frequency
direction of rotation:
Discrepancy time t :
D
Accuracy of the
adjustable times:
Time between connection
of auxiliary supply and
ready to mesure:
Auxiliary circuit (A1-A2)
Auxiliary voltage U
H
(galvanic separation to
measuring input):
Voltage range:
Nominal consumption:
Short-circuit protection:
Overvoltage protection:
Duty-cycle Reset button:
Output
Contacts:
Contact type:
Thermischer Strom I :
th
Switching capacity
to AC 15:
to DC 13:
to DC 13:
Electrical life
at 5 A, AC 230 V cos ϕ = 1:
Short circuit strength
max. fuse rating:
Mechanical life:
Semiconductor
monitoring output:
Analogue output:
AC 8 ... 280 V
AC 16 ... 690 V
≤ 700 Hz
≤ 1200 Hz
Frequency measuring input to
auxiliary voltage and output contacts
Adjustable from 1 Hz ... 600 Hz
Adjustable from 1 Hz ... 1000 Hz
≥ 1 kHz
≥ 2 kHz
< ± 0,5 %
< ± 1 %
< ± 1 %
Adjustable from 2 ... 10 %
of the set response value
Duration of 1 cycle (inverse value of
adjusted frequency) + 10 ms
+ adjusted alarm delay
the applied frequence) + 10 ms
+ adjusted alarm tolerance
Adjustable from 0 ... 100 s
Adjustable from 0 ... 100 s
Adjustable from 0 ... 100 s
Adjustable from 0 ... 100 s
Adjustable from 5 ... 60000 periods
Adjustable from 0 ... 60000 periods
Adjustable from 0 ... 60000 periods
Adjustable from 1 ... 100 Hz
Adjustable from 1 ... 250 s
< ± 5 %
Approx. 1.5 s (with start up delay is 0)
DC 24 V
The power supply shall meet the
requirements of SELV / PELV.
0.8 ... 1.1 U
H
Typ. 3.2 W
Internal PTC
Internal VDR
> 1.2 s
2 NO contacts
Relay forcibly guide
8 A
(see current limit curve)
3 A / AC 230 V IEC/EN 60947-5-1
2 A / DC 24 V IEC/EN 60947-5-1
4 A / DC 24 V at 0.1 Hz
> 2.2 x 10 switch. cycl. IEC/EN 60947-5-1
5
10 A gG / gL IEC/EN 60947-5-1
20 x 10 6 switching cycles
DC 24 V, 50 mA, plus switching
2 ... 10 V, max. 10 mA
Technical Data
General Data
Nominal operating mode:
Operation:
Storage:
Altitude,
Clearance and creepage distance
Rated impuls voltage /
pollution degree:
Measuring input against all others: 6 kV / 2
Output against all others:
EMC
Interference suppression:
Degree of protection:
Housing:
Terminals:
Housing:
Vibration resistance:
Climate resistance:
Terminal designation:
Wire connection:
Wire fixing:
Mounting:
Weight:
Dimensions
Width x height x depth:
Standard Type
UH 6937.02PS/61 DC 24 V
Article number:
• Output:
• Auxiliary voltage U
:
H
• Max. response value:
• Type of terminals:
• Width:
Ordering Example
UH 6937 .02 _ _ /_0_ /61 DC 24 V
27
Continuous operation
- 20 ... + 60 °C
(see quadratic total current limit curve)
At an altitude of > 2000 m the maximum
permissible temperature reduces by
0.5 °C / 100 m
- 20 ... + 70 °C
IEC 60664-1
≤ 2000 m > 2000 m to ≤ 4000 m
4 kV / 2
4 kV / 2 2.5 kV / 2
EN 61800-3, IEC/EN 61326-3-1
Limit value class B
IP 40 IEC/EN 60529
IP 20 IEC/EN 60529
Thermoplastic with V0 behaviour
according to UL subject 94
Amplitude 0,35 mm
frequency 10 ... 55 Hz IEC/EN 60068-2-6
20 / 060 / 04 IEC/EN 60068-1
EN 50005
DIN 46228-1/-2/-3/-4
Captive slotted screw
DIN-rail IEC/EN 60715
Approx. 320 g
45 x 107 x 121 mm
0066820
2 NO contacts
DC 24 V
600 Hz
Pluggable terminal blocks,
with screw terminals
45 mm
Nominal voltage
UL-approval
0 = Standard
1 = With different frequency mode
and analogue output
Max. response value
0 = 600 Hz
1 = 1000 Hz
Type of terminals
PS (plug in screw):
Pluggable terminal blocks,
with screw terminals
Contacts
Type
UH 6937 / 30.05.22 en / 551A
EN 55011