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參數(shù)資料
| 型號： | DFB01CM24 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Monitoring Relays Frequency Monitoring |
| 中文描述： | 頻率監(jiān)測監(jiān)控繼電器 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 119K |
| 代理商： | DFB01CM24 |
Specifications are subject to change without notice (12.12.05)
1
Monitoring Relays
Frequency Monitoring
Types DFB01, PFB01
Over/under frequency monitoring relays
Measuring if power supply frequency is within set limits
Measure on own power supply
Measuring ranges
Voltage: 24 to 240 VAC
Frequency: 50 - 60 Hz
Separately adjustable upper/lower level on relative
scale
Adjustable delay on alarm or on recovery (0.1 to 30 s)
Programmable latching or inhibit at set level
Output: 8 A SPDT relay N.D. or N.E. selectable
For mounting on DIN-rail in accordance with DIN/EN
50 022 (DFB01) or plug-in module (PFB01)
22.5 mm Euronorm housing (DFB01) or 36 mm
plug-in module (PFB01)
LED indication for relay, alarm and power supply ON
Product Description
DFB01 and PFB01 are pre-
cise frequency monitoring
relays. The relays monitor
their own power supply from
24 to 240 VAC.
The advantage of using the
latch function is that the
relay can be kept energized
Ordering key
Housing
Function
Type
Item number
Output
Power Supply
DFB 01 C M24
even after the end of the
alarm condition. Inhibit func-
tion can be used to avoid
relay operation when not
desired (maintenance, tran-
sitions). The LED's indicate
the state of the alarm and
the output relay.
Type Selection
Mounting
Output
Measuring range
Supply: 24 to 240 VAC
DIN-rail
Plug-in
SPDT
SPDT
50-60 Hz
50-60 Hz
DFB 01 C M24
PFB 01 C M24
Input Specifications
Output Specifications
Input
Own power supply DFB01:
A1, A2 (24 to 240 VAC)
2, 10 (24 to 240 VAC)
Upper level
PFB01:
Measuring ranges
Selectable by DIP-switches
2 Hz range
Lower level
-0.2 to +2 Hz -2 to +0.2 Hz
49.8 to 52 Hz 48 to 50.2 Hz
59.8 to 62 Hz 58 to 60.2 Hz
-1 to +10 Hz
49 to 60 Hz
59 to 70 Hz
50 Hz
60 Hz
10 Hz range
-10 to +1 Hz
40 to 51 Hz
50 to 61 Hz
50 Hz
60 Hz
Contact input
DFB02
PFB02
Disabled
Enabled
Pulse width
Hysteresis
Terminals Z1, Z2
Terminals 8, 9
> 10 k
< 500
> 500 ms
2 Hz range
10 Hz range
~ 0.05 Hz
~ 0.25 Hz
Output
Rated insulation voltage
Contact ratings
(AgSnO
)
Resistive loads
SPDT relay
250 VAC
μ
8A @ 250 VAC
5 A @ 24 VDC
2.5 A @ 250 VAC
2.5 A @ 24 VDC
≥
30 x 10
6
operations
≥
10
5
operations
(at 8 A, 250 V, cos
= 1)
≤
7200 operations/h
AC 1
DC 12
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
Operating frequency
Dielectric strength
Dielectric voltage
Rated impulse withstand volt. 4 kV (1.2/50 μs)
≥
2 kVAC (rms)
DFB01
PFB01
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