Magtrol LMU 212 Manual De Instrucciones página 11

Magtrol Monitores de Carga LMU 212 y 217
Specifications
INPUT CHARACTERISTICS
Power Supply
Voltage
Maximum Current
Bridge signal
Supply Voltage
Max. Possible Current
Sensitivity
Max. Dynamic
Component of Bridge
Signal
Max. Common Mode
Voltage on Input
Voltage Input for Summation of Another Load
Input Impedance
Max. Input Signal
(dynamic)
Signal Division by 2
Use Without Transducer
Input for Auto-diagnostic Feature (OK I/P)
Type
OUTPUT CHARACTERISTICS
Relay Outputs
Number of Relays
Relay Behavior
Max. Current per Contact
Max. Voltage per
Contact
Contact Rating
Insulation Voltage
Lifetime
Contact Resistance
Current Output
Output Type
Nominal Current Range
Max. Current Range
Max. Load
Output Impedance
Voltage Output
Max. Dynamics
Max. Load
Output Impedance
Output for Auto-diagnostic Feature (OK O/P)
Type
2
• 115–230 VAC and 20–32 VDC
jumper selectable
• 48 VAC fixed
Current Fuse rating
70 mA for 230 VAC 80 mAT
150 mA for 115 VAC 160 mAT
250 mA for 20 VDC 400 mAT
350 mA for 48 VAC 400 mAT
10 VDC
140 mA DC
0.5 to 4 mV/V
±45 mVDC
±10 V
70 kΩ
±10 V
DIP-switch selectable
Jumper selectable
Active if short circuited
LMU 212: 2
LMU 217: 4 (2 per input)
LMU 216: 4
Configurable with DIP-switch
4 A at 250 V AC
3 A at 30 V (0,5 A at 48 V DC)
AC : 250 V
eff
DC : 48 VDC
90 W or 1000 VA
Contact-contact: 750 V
eff
Contact-coil: 1.5 kV
eff
5
min. 10 (at 4 A, 250 V AC)
8
10 (unloaded)
< 20 mΩ
Current generator
0 to 20 mA DC
0 to 25 mA DC
< 500 Ω for I
= 20 mA
max
> 50 kΩ
±10 V ≡ EM
≥10 kΩ (ε≤0.5%) [≥1 kΩ (ε≤5%)] *
50 Ω (in series)
Open collector
TRANSFER CHARACTERISTICS
Voltage Transfer Ranges (∆U
Range 1
Bridge Sensitivity 0.42 to 0.78
[mV/V] (0.6)
Voltage Transfer 2380 to 1280
(gain) (1670)
Adjustment Range ±30%
Range Selection
Signal Division by 2
Measuring Chain Zero
Adjustment
Temperature drift of the
transfer function
Temperature drift of the
measuring chain zero
value
Current transfer range
Sensitivity Range with
Multi-turn Potentiometer
Nominal Current Range
Max. Current Range
Zero Adjustment Range
Selectable low-pass filter
Filter Type
Filter Order
-3 dB Cut-off Frequency
Level detectors
Number of Detectors
Level Adjustment Range
Hysteresis
Detection Indication
Switching Delay
Delay Adjustment Range
* NOTE: To guarantee precise calibration, the impedance of the
connected unit must be indicated at time of order. If this
value is unknown, an impedance of 1 MΩ will be used
for calibration. The resulting deviation will be ≤5%
with an impedance of ≥2 kΩ or ≤1% with ≥10 kΩ.
M AGTROL
3
Capítulo 1
LMU
/ ∆U
)
I/P O/P
2 3
0.7 to 1.3 1.2 to 2.2
(1) (1.7)
1428 to 769 833 to 455
(1000) (588)
±30% ±30%
Selectable using DIP-switches
DIP-switch selectable (the
available sensitivities then
moves from 0.84 to 4.4 mV/V
according to the selected
range)
Coarse adjustment using multi-
turn potentiometer: equivalent
to ±10 V/output for range 3
Fine adjustment using multi-
turn potentiometer: 5% of the
coarse adjustment
≤ 200 ppm/°C
≤ 200 ppm of FSD/°C for
0.5 mV/V at the input ≡ ≤1
µV/°C
± 20% of FSD on U
O/P
0 to 20 mA DC
0 to 25 mA DC
≥ 5 mA DC
± 5 mA DC for I
O/P
Butterworth
2
Selectable using DIP-switches
(0.3 Hz, 1 Hz, 3 Hz, 10 Hz,
100 Hz)
1 per relay
-10 to +10 VDC using multi-turn
potentiometer (measured on
voltage output)
<0.5% or ≈ 5%
(DIP-switch selectable)
< or > (DIP-switch selectable)
0.01 to 4.25 seconds
(adjustment for every relay by
multi-turn potentiometer)
Introducción
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