Panel Meters and Controllers
DC Current and Voltage Meter/Controller
Type LDI35 AV0
•
3 1/2-dgt meter or 3-dgt + dummy zero
for DC current and voltage measurements
•
Indicator or controller
•
200 mV, 20 V, 200 VDC and 2 mA, 20 mADC ranges
•
All functions selectable by key-pad
•
Password protection of programming parameters
•
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
meter for DC current and vol-
tage measurements. Select-
able input range. Ensures a
degree of protection of IP 50
(IP 65 on request).
Ordering Key
Model
Range code
Power supply
Setpoints
Engineering unit
Option
LDI35AV0D0 XX XX
Type Selection
Range code
See Range Table
Setpoints
0:
1:
1)
Power supply
A:
B:
C:
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)
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)
XX:
IX:
AX:
XT:
0 setpoints
1 setpoint
None (standard)
Degree of protection
IP 65
Excitation output
Tropicalization
1)
1)
1)
1)
On request
Input Specifications
Rated input
200 mVDC
20 VDC
200 VDC
2 mADC
20 mADC
1.2 x rated input
1.2 x rated input
5 x rated input
2 x rated input
± 0.3% 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
Sampling rate
Max. and. min indication
3 1/2 dgt:
3 + 0 dgt:
Key-pad
4 times/s, dual slope,
16 bits A/D converter
Max. 1999
Min.
-1999
Max. 9990
Min.
-1990
3 keys:
“S” for menu selection
“UP” and “DOWN” for value
programming/function selec-
tion.
Overload protection
Cont. Current:
Voltage:
For 1s Current:
Voltage:
Accuracy
(@ 25°C ± 5°C, R.H.
≤
60%)
Temperature drift
Display
Specifications are subject to change without notice (28.10.99)
1
LDI35 AV0
Output Specifications
Excitation output voltage
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 with-
out digital filter, > 2 with digi-
tal 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
- EE
From 0 to 1999/9990
From 1 to 255
Automatic storage (RAM only)
of the max. value measured
after 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 (1on 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)
Approx 340 g
CSA, CE
2
Specifications are subject to change without notice (28.10.99)
LDI35 AV0
Range Table
Rated inputs
200 mVDC
20 VDC
200 VDC
2 mADC
20 mADC
Rated inputs
100 mVDC
10 VDC
100 VDC
1 mADC
10 mADC
Ranges (3 1/2 dgt)
-199.9 mV to 199.9 mVDC
-19.99 V to 19.99 VDC
-199.9 V to 199.9 VDC
-1.999 mA to 1.999 mADC
-19.99 mA to 19.99 mADC
Ranges (3 + 0 dgt)
-19.90 mV to 99.90 mVDC
-1.990 V to 9.990 VDC
-19.90 V to 99.90 VDC
-199.0 mA to 999.0 µADC
-1.990 mA to 9.990 mADC
Impedances
≥
1 kΩ
≥
120 kΩ
≥
120 kΩ
≤
90
Ω
≤
90
Ω
Impedances
≥
1 kΩ
≥
120 kΩ
≥
120 kΩ
≤
90
Ω
≤
90
Ω
Terminal Board
Front Panel Description
2
2. Display
3 1/2-dgt or 3-dgt + dummy zero (maximum read-out
1999/9999).
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
V = 02
kV = 03
µA = 04
mA = 05
A = 06
mW = 07
kW = 09
MW = 10
var = 11
kvar = 12
Mvar = 13
Ω
= 14
kΩ = 15
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
3
/min = 37
m
3
/h = 38
mm = 39
cm = 40
m = 41
kg = 42
ppm = 43
kA = 44
cos
φ
= 45
m
3
= 46
µs = 47
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.
°F = 23 mm H
2
O = 31
Dimensions
Excitation Output
V
48 mm
30
83 mm
max. 10
mm
Continuous load
Short time load
Max.
S
F
96 mm
25
20
15
10
230V
Typ.
+10%
45 mm
91 mm
Min.
230V
-
10%
92 mm
75 mm
10
20
30
40
50
60
mA
Specifications are subject to change without notice (28.10.99)
3
Microcontroller MCU
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