Specifications are subject to change without notice LDM35HDS 0405
1
Multi-input instrument 3 1/2 dgt LED
0.1% RDG basic accuracy
TRMS AC current and voltage measurements
AC/DC current measurements: selectable full scales
(200A to 5A)
AC/DC voltage measurements: selectable full scales
(200mV to 500V)
Up to 2 independent alarm set-points (optional)
Universal power supply: 18-60VAC/DC and
90-260VAC/DC
Front protection degree: IP65
Product Description
P-based digital panel
meter, 3 1/2 dgt LED indica-
tor and controller, for cur-
rent, voltage measurements.
Measuring ranges and func-
tions easily programmable
from the key-pad. LDM
35H
includes storage min-max
functions and double level
protection password.
Housing for panel mounting
with front protection degree:
IP65.
Type LDM35H
Type Selection
Measuring inputs
LSE:
signal inputs + AUX:
0.2-2-20mA DC/AC;
0.2-2-20V DC/AC
HSX:
signal inputs:
0.2-2-5A DC/AC;
20-200-500V DC/AC
Retransmission
XX:
None
Power supply
H:
90 to 260V AC/DC
L:
18 to 60V AC/DC
Options
XX:
None
TX:
Tropicalization
Model
Measuring inputs
Power supply
Alarms
Retransmission
Options
How to order
LDM35H LSE H 0 XX XX
Analogue inputs
Channels and variables
LSE type
1, mA and V DC/AC + AUX
HSX type
1, A and V DC/AC
Accuracy
See table "Measurement
accuracy", temperature drifts,
minimum and maximum
indications"
Additional errors
Humidity
0.3% RDG, 60% to 90% R.H.
Input frequency
0.4% RDG, 62 to 440 Hz
Magnetic field
0.5% RDG @ 400 A/m
Temperature drift
See table "Measurement
accuracy, temperature drifts,
min and max indications"
Sampling rate
500 samples/s @ 50Hz
Display refresh time
200 msec @ 50Hz
Display
3 1/2 DGT,
7 segments
height 14.2 mm
Colour: red
Max and min indication
See table "Measurement
accuracy, temperature drifts
min and max indications"
Input Specifications
DC/AC Current and Voltage Indicator/Controller
Digital Panel Meters
Alarms
0:
None
1:
single relay output,
(AC1-5AAC, 250VAC)
2:
Dual relay output,
(AC1-5AAC, 250VAC)
2
Specifications are subject to change without notice LDM35HDS 0405
LDM35H
Module
Inputs
Type
Accuracy
Temp. drift
Min. indicat. ( )
Max. indicat. ( )
LSE
-200A to +200A
-2mA to +2mA
-20mA to +20mA
-200mV to +200mV
-2V to +2V
-20V to +20V
DC/AC
DC: (0.1%RDG+3DGT)
0% to 25% FS;
(0.1%RDG+2DGT)
25% to 110% FS.
TRMS (45 to 65Hz)*:
(0.3%RDG+3DGT)
0% to 25% FS;
(0.3%RDG+2DGT)
25% to 110% FS.
150 ppm/C
- 199.9
- 1.999
- 19.99
- 199.9
- 1.999
- 19.99
+ 199.9
+ 1.999
+ 19.99
+ 199.9
+ 1.999
+ 19.99
HSX
-200mA to +200mA
-2A to +2A
-5A to +5A
-20V to +20V
-200V to +200V
-500V to +500V
DC/AC
DC: (0.1%RDG+3DGT)
0% to 25% FS;
(0.1%RDG+2DGT)
25% to 110% FS.
TRMS (45 to 65Hz)*:
(0.3%RDG+3DGT)
0% to 25% FS;
(0.3%RDG+2DGT)
25% to 110% FS.
150 ppm/C
- 199.9
- 1.999
- 5.00
- 19.99
- 199.9
- 500
+ 199.9
+ 1.999
+ 5.00
+ 19.99
+ 199.9
+ 500
Measurement accuracy, temperature drifts, min and max indications
All accuracies and min/max indications are referred to an ambient temperature range of 25C 5C, relevant humidity
60% and scale ratio
(electrical/displayed scale) equal to 1.
Module
Inputs
Type
Impedance
Overload (continuous)
Overload (1s)
LSE
-200A to +200A
-2mA to +2mA
-20mA to +20mA
-200mV to +200mV
-2V to +2V
-20V to +20V
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
2.2k
22
22
2.2k
200k
200k
5mA
50mA
50mA
10V
50V
50V
10mA
150mA
150mA
20V
100V
100V
HSX
-200mA to +200mA
-2A to +2A
-5A to +5A
-20V to +20V
-200V to +200V
-500V to +500V
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
1
0.012
0.012
2M
2M
2M
0.8A
7.5A
7.5A
750V
750V
750V
1A
100A
100A
1000V
1000V
1000V
Input impedances and overloads
Measurements
Current, voltage. For the
current and voltage mea-
surements: TRMS measure-
ment of distorted sine
waves.
Coupling type
Direct
Crest factor
3; A
Pmax
=1.7In; V
Pmax
=1.7Un
Input impedance
See table "input
impedances and overloads"
Frequency
40 to 440 Hz
Overload
See table "input
impedances and overloads"
Input specifications (cont.)
*
<45Hz >65Hz= (0.5%RDG+3DGT) 0% to 25% FS; (0.5%RDG+2DGT) 25% to 110% FS.
( ) The min. indication for TRMS measurement (AC or DC) is 0; it is possible to modify the decimal point position.
Specifications are subject to change without notice LDM35HDS 0405
3
LDM35H
Alarm outputs
(on request)
Alarm type
Active alarm for out-of-range,
up alarm,
down alarm,
down alarm with
start-up deactivation,
up alarm with latch,
down alarm with latch
Alarm set-point
Adjustable from 0 to 100%
of displayed range
Hysteresis
0 to 100% of displayed range
On-time delay
0 to 255 s
Off-time delay
0 to 255 s
Output status
Selectable: normally
energized/de-energized
Min response time
500 ms, with filter excluded,
without alarm on-time delay
Output channels
Up to 2
Type SPDT
AC 1: 5A, 250VAC
DC 12: 5A, 24VDC
AC 15: 2,5A, 250VAC
DC 13: 2,5A, 24VDC
Insulation
4000 V
RMS
output to
measuring input,
4000 V
RMS
output to
power supply input.
Excitation output
LSE input
Voltage
13 VDC 10%
max. 50 mA
Insulation
25V
rms
output to
measuring input,
4000 V
rms
output to
power supply input
Output specifications
Decimal point position
Programmable within the
displayed range
Displayed range
Programmable within
the displayed range.
Diagnostics
The display flashes when the
limits of the displayed range
are exceeded, the data
are updated up to 20%
of the rated displayed range.
Digital filter
Filter operating range
0 to 1999
Filtering coefficient
1 to 32
Display selection
3 1/2 DGT or 3 DGT plus
dummy zero.
Scaling
Selection of min value
of the input range.
Selection of max value of
the input range.
Selection of decimal point
position.
Selection of min
displayable value.
Selection of max displayable
value.
Min / Max storage
Automatic storage
(in the EEPROM) of the
minimum and maximum
measured value from the
previous memory reset
Password
Numeric code max 4 dgt
2 levels of data protection.
1st level
0 to 4999 completely protected.
2nd level
5000 to 9999 access to
programming is protected .
Alarm set-points are directly
programmable from the
measuring mode.
Measurement selection
Depending on the input:
- measuring range
- measuring type (TRMS or DC).
Integration time selection
Automatic or from 100.0 to
999.9 ms only in the current
and voltage measurement.
Scaling factor
Operating mode
Electrical scale compression,
displayed scale
compression/expansion
(max. 2 without filter, up to
10 with filter)
Electrical range
Programmable within the
whole measuring range
Software functions
4
Specifications are subject to change without notice LDM35HDS 0405
LDM35H
Safety Standards
Safety
EN 61010-1, IEC 61010-1
Connections
Screw type
Wire section
Max 2.5mm
2
Housing
Dimensions
1/8 DIN, 48 x 96 x 83 mm
Material
PC-ABS,
self-extinguishing: UL 94 V-0
Protection degree
Front: IP65
Connections: IP20
Weight
340 g approx (packing
included)
Approvals
CE, UL e CSA in progress
Operating
0 to 50C (32 to 122F)
temperature
(R. H. < 90% non-condensing)
Storage
-10 to 60C (14 to 140F)
temperature
(R.H. < 90% non-condensing)
Insulation reference
300 V
RMS
to ground
voltage
(500V input)
Insulation
See table "Insulation between
inputs and outputs"
Dielectric strength
4000 V
RMS
for 1 minute
Rejection
NMRR
40 dB, 40 to 60 Hz
CMRR
100 dB, 40 to 60 Hz
EMC
EN61000-6-2, IEC61000-6-2
EN61000-6-3, IEC61000-6-3
General Specifications
Insulation between inputs and outputs
Meas.
inputs
Relay
output
AUX p.
supply
90-260VAC/
DC p.supply
18-60VAC/
DC p.supply
Meas.
inputs
-
4kV
25V
4kV
4kV
Relay
output
4kV
-
4kV
4kV
4kV
AUX p.
supply
25V
4kV
-
4kV
4kV
90-260VAC/
DC p.supply
4kV
4kV
4kV
-
-
18-60VAC/
DC p.supply
4kV
4kV
4kV
-
-
AC/DC voltage
90 to 260V (standard)
18 to 60V (on request)
Energy consumption
8VA/4W (90 to 260V)
8VA/4W (18 to 60V)
Supply Specifications
30
20
10
25
15
V
mA
0
10
20
30
40
50
60
5
Excitation output
Continuous
The excitation output is constant and indepen-
dent of power supply's voltage.
Only for TRMS Measurements
Instantaneous effective
voltage (TRMS)
=
n
i
V
n
V
1
2
1
1
)
(
1
=
n
i
A
n
A
1
2
1
1
)
(
1
Used calculation formulas
Instantaneous effective
current (TRMS)
max. 30s
Specifications are subject to change without notice LDM35HDS 0405
5
LDM35H
Wiring diagrams
Process signal wiring diagrams
1
2
4
3
5
6
32 31
29
30
28
20V
2V
0.2mA
200mV COM
20mA
2mA AUX- AUX+
N.C.
N.O.
COM
- +
+ -
Current measurements
4-wire connection probe
Fig. 5
1
2
4
3
5
6
32 31
29
30
28
20V
2V
0.2mA
200mV COM
20mA
2mA AUX- AUX+
N.C.
N.O.
COM
z
+ ~
- ~
1
2
4
3
5
6
32 31
29
30
28
20V
2V
0.2mA
200mV COM
20mA
2mA AUX- AUX+
N.C.
N.O.
COM
z
+ ~
- ~
Current measurements
Voltage measurements
Fig. 1
Fig. 2
LSE
LSE
LSE
1
2
4
3
5
6
32 31
29
30
28
20V
2V
0.2mA
200mV COM
20mA
2mA AUX- AUX+
N.C.
N.O.
COM
- +
+ -
Voltage measurements
4-wire connection probe
Fig. 3
LSE
1
2
4
3
5
6
32 31
29
30
28
20V
2V
0.2mA
200mV COM
20mA
2mA AUX- AUX+
N.C.
N.O.
COM
- +
+ -
Voltage measurements
3-wire connection probe
Fig. 4
LSE
1
2
4
3
5
6
32 31
29
30
28
20V
2V
0.2mA
200mV COM
20mA
2mA AUX- AUX+
N.C.
N.O.
COM
- +
+ -
Current measurements
3-wire connection probe
Fig. 6
LSE
Probe
1
2
4
3
5
6
32 31
29
30
28
20V
2V
0.2mA
200mV COM
20mA
2mA AUX- AUX+
N.C.
N.O.
COM
- +
+ -
Current measurements
2-wire connection probe
Fig. 7
LSE
z
+ ~
- ~
1
2
3
5
6
500V
200V
20V
COM 200mA
5A
2A
32 31
29
30
28
N.C.
N.O.
COM
4
Voltage measurements
Fig. 9
HSX
1
2
3
5
6
500V
200V
20V
COM 200mA
5A
2A
32 31
29
30
28
N.C.
N.O.
COM
4
z
+ ~
- ~
Current measurements
Fig. 8
HSX
High-level signals wiring diagrams
Probe Signal output
Probe power supply
Probe
Probe Signal output
Probe power supply
Probe
Probe Signal output
Probe power supply
Probe
Probe Signal output
Probe power supply
Probe
Probe Signal output
Probe power supply
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