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8.4. Example: Configuration based on a frequency input signal
The module MCR-f-UI-DC has the following functions:
Frequency range:
5...45700 Hz, 3-wire NPN sensor
Output signal:
4...20 mA
Switching behavior:
bottom switching point ("High" to "Low") at 15 Hz
top switching point ("Low" to "High") at 20 kHz
ON delay:
10 s
OFF delay:
5 s
Wire-break detection time: 1 s
Operating mode
press briefly
f-input
3-wire NPN
measuring
range start
Zero
Zero
Input
Input
measuring
range end
Full Scale
Full Scale
Input
Input
analog
output
Analog
Analog
Output
Output
switching
output
Digital
Output
bottom
switching
point
Low
Setpoint
top
switching
point
+
High
Setpoint
operating mode
example:
32
9. Technical data
Order No.
Measurement input
Frequency input
Frequency range
Input sources
Sensor supply
Input frequency / Peak time / Resolution
Signal level
Pulse length
Current/voltage input
Input signal
Cut-off frequency
Ascent time (10-90 %)
Output
Output signal
Max. output signal
current/voltage
Load
current/voltage
Alignment zero point / end value
Switching output
General data
Supply voltage
Current consumption (without load)
Transmission error
Temperature coefficient
Test voltage:
input/power supply
input/output
output/power supply
34
Analog
Output
Digital
Digital
Output
Output
Low
Setpoint
High
Setpoint
MCR-f-UI-DC
28 14 60 5
0 Hz ... 120 kHz
• PNP transistor outputs
• NPN transistor outputs
• NAMUR initiators
• Potential-free relay contact
(dry contact)
• Frequency generator
c. 15 V DC / < 25 mA
0.1 Hz...120 kHz / ≤ 32 ms / ≥ 12 bit
2 V, typ. 1.5 V
(0 Hz...120 kHz)
2 V, typ. 1.8 V (1.0 Hz...120 kHz)
max. 30 V (incl. DC voltage)
≥ 1µs
0...10 V / 0...20 mA
10 Hz
25 ms
0...10 V / 10...0 V, 0...5 V / 5...0 V oder
0(4)...20 mA / 20...0(4) mA
25 mA / 12.5 V
≤ 500 Ω / ≥ 500 Ω
± 25 % / ± 25 %
PNP transistor output,
switches the supply voltage to terminal
SW,
can carry a load of 100 mA,
not short-circuit proof
20 ... 30 V DC
< 60 mA (without switching output)
< 0.15 % of end value (typ. 0.1 %)
< 0.015 %/K (typ. 0.01%/K)
1.5 kV, 50 Hz, 1 min.
1.5 kV, 50 Hz, 1 min.
1.5 kV, 50 Hz, 1 min.
Continuation of configuration example:
operating mode
ON
delay
OFF
delay
wire break
detection
time
Digital
Output
example:
Technical data
General data (continued)
Protection circuit
Ambient temperature range
Operation indicator
Control panel
Type of connection
Installation position/assembly
Dimensions (W / H / D) in mm
Conductor cross section
Type of housing
Approval
c
c
c
c
Complies with EMC guideline 89/336/EEC
and low voltage directive 73/23/EEC
EMC (electromagnetic compatibility)
Immunity to interference in acc. with EN 50082-2
• Electrostatic discharge (ESD)
• Electromagnetic HF field
• Fast transients (Burst)
• Surge current loads
• Conducted interference
Noise emission in acc. with EN 50081-1
EN 61000 corresponds to IEC 1000
1)
Criterion A:
Normal operating behavior within the defined limits.
2)
Criterion B:
Temporary impairment to operational behavior, that the device corrects itself.
Class A:
Area of application: industry, without special installation measures.
3)
=
=
I
Input / O
Output / S
press briefly -> extended operating mode
+
operating mode
MCR-f-UI-DC
Order No.
28 14 60 5
transient protection, polarity protection
-20 °C to +65 °C
LC display
membrane keypad with 3 keys and
LCD
pluggable screw connection
any, preferably horizontal
45 x 75 x 110
0.2 – 2.5 mm
ASA-PC (V0)
U
PROCESS CONTROL EQUIPMENT
FOR HAZARDOUS LOCATIONS
LISTED
31ZN
Class I Div 2 Groups A, B, C, D
A) This equipment is suitable for use in Class I, Division 2,
Groups A, B, C and D or non-hazardous locations only.
B) Warning - explosion hazard - substitution of components
may impair suitability for Class 1, Division 2.
C) Warning - explosion hazard - do not disconnect equipment
unless power has been switched off or the area is known
to be non-hazardous.
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 55011
EN 55011 corresponds to CISPR11
=
Supply
33
2
(AWG 24-14)
2)
8kV discharge in air
2)
6kV contact discharge
1)
10 V/m
3)
2)
I / O / S
: 2 kV / 5 kHz
3)
2)
I / O
:
2 kV / 42 Ω
3)
S
:
1 kV / 2 Ω
3)
1)
I / O/ S
: 10 V
Class A
35
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