Panel Meters and Controllers
Temperature Meter/Controller
Type LDI35 CF
•
3 1/2-dgt meter or 3-dgt + dummy zero
•
Temperature measurements from thermoresistance or
thermocouple probes and resistance measurements
•
Measurements in ºC or ºF
•
Indicator or controller
•
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
temperature measurements by
means of thermocouple or
thermoresistance probes. Se-
lectable input range. Degree
of protection of IP 50 (IP 65
on request).
Ordering Key
Model
Range code
Power supply
Setpoints
Engineering unit
Option
LDI35CFX D0 XX XX
Type Selection
Range code
See Range Table
Setpoints
0:
1:
No setpoint
1 setpoint
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:
None (standard)
Degree of protection
IP 65
Excitation output
Tropicalization
1)
1)
1)
1)
On request
Input Specifications
Accuracy
RTD
(@ 25°C ± 5°C, R.H.
≤
60%)
Pt100/Pt1000
Ni100
TC
(@ 25°C ± 5°C, R.H.
≤
60%)
From -50°C to the limit
of input range
From -200°C to -5°C
of the input range
Resistance (@ 25°C ± 5°C)
Temperature drift
RTD
TC
Resistance
Display
Sampling rate
Max. and min. indication
RTD/TC
Resistance
± 0.3% f.s., ± 2 dgt
± 1% f.s., ± 2 dgt
± 0.3 % f.s., ± 2 dgt
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
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
Compensation
RTD/Ω
TC
2 times/s, dual slope
16 bits A/D converter
Depending on range and
type of the temperature
probe
Max. 200
Ω,
min. 0
(2000
Ω
on request)
For 3-wire connections, line
resistance up to 10
Ω.
Cold junction, within the
temperature range from
0 to +50°C
3 keys:
“S” for menu selection
“UP” and “DOWN” for value
programming/function selec-
tion
± 0.3 % f.s., ± 2 dgt
± 0.5% f.s., ± 2 dgt
Key-pad
Specifications are subject to change without notice (28.10.99)
1
LDI35 CF
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 are protected
Electrical scale compression,
compression/expansion of the
displayed scale (max. 2 with-
out 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
Opening of the probe connec-
tion, EEE indication
Opening of the probe connec-
tion, EEE indication
Probe short-circuit,
-EE indication
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 type
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
Burn-out up
TC
RTD
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 m inute
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 61010-1, 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 CF
Range Table
Range code
CFX
CFX
CFP
CFX/CFP
CFX/CFP
CFX/CFP
CFX/CFP
CFX/CFP
CFX
CFP
1)
Input
RTD
RTD
RTD
TC
TC
TC
TC
TC
Ω
Ω
Probe
Pt100
Ni100
Pt1000
J
L
K
S
T
200.0
Ω
2000
Ω
Ranges (ºC)
(3 1/2 dgt)
-200° to 850°C
-60° to 180°C
-200° to 850°C
-50° to 760°C
-50° to 760°C
-200° to 1260°C
350° to 1750°C
-200° to 400°C
0 to 199.9
Ω
0 to 1999
Ω
Ranges (ºF)
(3 1/2 dgt)
-328° to 1562°F
-76° to 356°F
-328° to 1562°F
-58° to 1400°F
-58° to 1400°F
-328° to 1999°F
-
-328° to 752°F
0° to 199.9
Ω
0 to 1999
Ω
Other ranges
1)
-199.9° to +199.9°C
-60.0° to +180.0°C
-199.9° to +199.9°C
-50.0° to +760.0°C
-50.0° to +760.0°C
-199.9° to +199.9°C
-
-199.9° to +199.9°C
0° to 19.99
Ω
0 to 199.9
Ω
Examples of other displayed ranges available by means of the scaling capability
Front Panel Description
2
2. Display
3 1/2-dgt or 3-dgt + 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
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
Terminal Board
Dimensions
S
F
48 mm
96 mm
83 mm
max. 10
mm
92 mm
45 mm
91 mm
75 mm
Specifications are subject to change without notice (28.10.99)
3
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