Panel Meters and Controllers
AC/DC Current and Voltage Meter/Controller
Type LDI35 AV2
•
3 1/2-dgt meter or 3-dgt + dummy zero
•
For AC/DC current and voltage measurements
•
Indicator or controller
•
200 VAC/DC, 500 VAC/DC and 2 AAC/DC, 5 AAC/DC
•
All functions selectable by key-pad
•
Password protection
•
48 x 96 mm
•
Degree of protection: IP 50 (IP 65 on request)
Product Description
3 1/2-dgt or 3-dgt + dummy
zero multi-range µP-based
indicator or controller for AC
and DC current and voltage
measurements. Selectable in-
put range. Ensures a degree
of protection (front) of IP 50
(IP 65 on request).
Ordering Key
Model
Range code
Power supply
Setpoints
Engineering unit
Option
LDI35AV2D0 XX XX
Type Selection
Range code
See Range Table
Setpoints
0:
1:
0 setpoints
1 setpoint
Power supply
A:
B:
C:
1)
Options
E:
F:
3:
6:
120 VAC, -15% +10%,
50/60 Hz
240 VAC, -15% +10%,
50/60 Hz
9 to 32 VDC with
galvanic insulation
40 to 150 VDC with
galvanic insulation
1)
1)
1)
1)
D:
24 VAC, -15% +10%,
50/60 Hz
48 VAC, -15% +10%,
50/60 Hz
115 VAC, -15% +10%,
50/60 Hz
230 VAC, -15% +10%,
50/60 Hz (standard)
1)
1)
1)
XX:
IX:
AX:
XT:
None (standard)
Degree of protection
IP 65
Excitation output
Tropicalization
1)
1)
1)
1)
On request
Input Specifications
Rated input
Current:
Voltage:
Overload protection
Continuous
For 1s
Accuracy
DC:
(@ 25°C ± 5°C, R.H.
≤
60%)
AC:
(@ 25°C ± 5°C, R.H.
≤
60%,
50/60 Hz, 5 to 100% f.s.)
Temperature drift
Display
AC Measurement
2 AAC/DC, 5 AAC/DC,
40 to 400 Hz
200 VAC/DC, 500 VAC/DC,
40 to 400 Hz
Sampling rate
1.2 x rated input
2 x rated input
Indication
3 1/2 dgt:
3 + 0 dgt:
Key-pad
3 keys:
“S” for menu selection.
“UP” and ”DOWN” for
value programming/function
selection.
Measurement of the average
value resulting from the sine
half-wave rectification of the
input current/voltage by
rms calibration
4 times/s, dual slope
16 bits A/D converter
Max. 1999 (AC/DC)
Min. -1999 (DC), 0 (AC)
Max. 9990 (AC/DC)
Min. -1990 (DC), 0 (AC)
± 0.3% f.s., ± 1 dgt
± 0.5% f.s., ± 1 dgt
± 200 ppm/ºC
7-segment LED, h 14.2 mm,
3 1/2 digits or
3 digits + dummy zero select-
able by means of the front
key-pad
Specifications are subject to change without notice (28.10.99)
1
LDI35 AV2
Output Specifications
Excitation output
Voltage
Insulation
15 VDC non-stabilized/
40 mA max. (on request)
100 V output
to measuring input
4000 V output to
AC supply input
500 V output to
DC supply input
rms
rms
rms
Software Functions
Password
1st level
2nd level
Scaling factor
Operating mode
Numeric code of max. 3 di-
gits; 2 protection levels of
the programming data
Password “0”, no protection
Password from 1 to 255, all
data protected
Electrical scale compression,
compression/expansion of
the displayed scale (max. 2
without digital filter, > 2 with
digital filter)
Programmable within the
whole measuring range
Programmable within the
displaying range
Programmable within the
whole displaying range
The display flashes when the
limits of the displayed range
are exceeded, the data are
updated up to the maximum
read-out
EEE (AC/DC)
- EE (DC)
From 0 to 1999/9990
From 1 to 255
Automatic storage (RAM only)
of the max. value measured
after the last reset
Alarms
Number of setpoints
Alarm types
Setpoint adjustment
Hysteresis
On-time delay
Off-time delay
Relay status
Output type
Contact
Rating
Min. response time
Insulation
0 (1 on request)
Over range, up alarm, down
alarm, down alarm with dis-
abling at power-on, up alarm
with latch, down alarm with
latch
0 to 100% of the displayed
range
0 to 100% of the displayed
range
0 to 255 s
0 to 255 s
Normally energized/de-ener-
gized
1 x SPDT
5A, 250 VAC/VDC 40 W/
1200 VA, 130.000 cycles.
≤
500 ms, filter excluded, set-
point on-time delay: “0”
2000 V output to
measuring inputs
2000 V output to
excitation output
rms
rms
Electrical scale
Decimal point position
Displayed scale
Diagnostics
Over range
Under range
Filter
Filter operating range
Filtering coefficient
Max. data hold
Supply Specifications
AC supply
230 VAC, -15% +10%,
50/60 Hz (standard)
24 VAC, 48 VAC, 115 VAC,
120 VAC, 240 VAC, -15%
+10%, 50/60 Hz (on request)
4000 V supply input to all
other inputs/outputs
9 to 32 VDC, G.I.
max. inrush current:
≤
1.2 A/200 ms
40 to 150 VDC, G.I.,
max. inrush current:
≤
0.6 A/200 ms
500 V supply input to all
other inputs/outputs
6.5 VA
rms
rms
General Specifications
Operating temperature
Storage temperature
Insulation reference voltage
Dielectric strength
Noise rejection
NMRR
CMRR
EMC
0° to 50°C (32° to 122°F)
(R.H. < 90% non-condensing)
-10° to 60°C (14° to 140°F)
(R.H. < 90% non-condensing)
300 V to ground
4000 V for 1 minute
rms
rms
Insulation
DC supply
Insulation
Power consumption
Safety standards
Connector
Housing
Dimensions
Material
Degree of protection
Weight
Approval
40 dB, 40 to 60 Hz
100 dB, 40 to 60 Hz
IEC 60801-2, IEC 60801-3,
IEC 60801-4 (level 3),
EN 50 081-1, EN 50 082-1
EN 61 010-1, IEC 61010-1,
VDE 0411
Screw-type
1/8 DIN, 48 x 96 x 83 mm
ABS,
self-extinguishing: UL 94 V-0
IP 50 (IP 65 on request)
340 g approx.
CSA, CE
2
Specifications are subject to change without notice (28.10.99)
LDI35 AV2
Range Table
Rated inputs
200 VDC
500 VDC
2 ADC
5 ADC
200 VAC
500 VAC
2 AAC
5 AAC
Rated inputs
100 VDC
500 VDC
1 ADC
5 ADC
100 VAC
500 VAC
1 AAC
5 AAC
Ranges (3 1/2 dgt)
- 199.9 V to 199.9 VDC
- 500 V to 500 VDC
- 1.999 A to 1.999 ADC
- 5.00 A to 5.00 ADC
- 0 V to 199.9 VAC
- 0 V to 500 VAC
- 0 A to 1.999 AAC
- 0 A to 5.00 AAC
Ranges (3 + 0 dgt)
- 19.99 V to 99.90 VDC
- 50.0 V to 500.0 VDC
- 199.0 mA to 999.0 mA
- 1.99 A to 5.000 ADC
- 0 V to 99.90 VAC
- 0 V to 500.0 VAC
- 0 mA to 999.0 mAAC
- 0 A to 5.000 AAC
Impedances
≥
1 MΩ
≥
1 MΩ
≤
0.05
Ω
≤
0.05
Ω
≥
1 MΩ
≥
1 MΩ
≤
0.05
Ω
≤
0.05
Ω
Impedances
≥
1 MΩ
≥
1 MΩ
≤
0.05
Ω
≤
0.05
Ω
≥
1 MΩ
≥
1 MΩ
≤
0.05
Ω
≤
0.05
Ω
Dimensions
S
F
48 mm
96 mm
83 mm
max. 10
mm
92 mm
45 mm
91 mm
75 mm
Front Panel Description
2
2. Display
3 1/2-digit or 3-digit + dummy zero
(maximum read-out 1999/9990).
Alphanumeric indication by means of 7-segment display
for:
- Displaying of the measured value, over-range, burn-out
and programming indications.
- Indication of programming parameters.
3
3. Engineering unit
Screen for interchangeable unit label.The symbols in the
shaded areas are those available on the set of engineering
unit labels supplied with the LDI35 (engineering unit label to
be inserted by customer).
W = 08
mV = 01
kW = 09
MW = 10
var = 11
kvar = 12
Mvar = 13
Ω
= 14
kΩ = 15
V = 02
kV = 03
µA = 04
mA = 05
A = 06
mW = 07
MΩ = 16
Hz = 17
kHz = 18
RPM = 19
m/s = 20
m/min = 21
°C = 22
% = 24 mm HG = 32
mbar = 25
bar = 26
psi = 27
ata = 28
ate = 29
kg/cm
2
= 30
l/min = 33
l/h = 34
kg/min = 35
ton/h = 36
m /min = 37
m
3
/h = 38
mm = 39
3
S
1
1. Key-pad
Set-up and programming procedures are easily controlled
by the 3 pushbuttons.
“S”
- Selection key to select programming function (instrument
configuration) or measurement and alarm detection.
“
“ and “
“
- Up and down keys for increasing or decreasing program-
ming values.
cm = 40
m = 41
kg = 42
ppm = 43
kA = 44
cos
φ
= 45
m
3
= 46
µs = 47
°F = 23 mm H
2
O = 31
Terminal Board
Specifications are subject to change without notice (28.10.99)
3
PCB Design
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