VEK MNE2–R24-C
Operating Instructions
VEK MNE2–R230-C
Double-Channel Inductive Loop Detector
VEK MNE2-R24-C /-R230-C
26.08.2015
FEIG ELECTRONIC GmbH
Lange Strasse 4
D-35781 Weilburg
Tel.: +49 6471/3109-0
Email:
www.feig.de
G
B
R
1
Characteristic features
•
11-pole circular connector
•
Galvanic separation of loop and detector electronics
•
Automatic system adjustment directly after power-on
•
Sensitivity adjustment independent of loop inductivity
•
Loop busy signal emitted by LED-display
•
Potential-free relay contacts at the outputs
•
Loop fault message via LED-signal
•
Indication of historical loop fault
•
Continuous rebalancing of frequency drifts in order to avoid environmental
influences
•
Diagnostics by external Service Program via USB-Mini connector
2
Settings
Use the following DIP Switches for the standard settings.
2.1 Sensitivity
DIP 1
DIP 3
DIP 2
DIP4
Function
DIP 1/2
Loop 1
DIP 3/4
Loop 2
OFF
OFF
Low
More detailed Sensitivity
settings via USB Interface!
ON
OFF
Medium Low
OFF
ON
Medium High
ON
ON
High
2.2 Frequency
DIP 5
Function
OFF
Low
ON
High
2.3 Hold Time
DIP 6
Function
More detailed Hold Time
settings via USB Interface!
OFF
5 Minutes
ON
Infinite
2.4 Output Mode Relay 2
DIP 7
Function
Setting doesn’t affect
Relay 1!
OFF
Presence Output on Relay 2
ON
Pulse Output on Relay 2
2.5 Output Edge Relay 2
DIP 8
Function
Available only if
Relay 2 is in Pulse Output
Mode!
OFF
Pulse on Loop Entry
ON
Pulse on Loop Exit
2.6 Direction Mode
DIP 9
Function
OFF
Presence Output
ON
Direction sensitive Output
2.7 Direction Logic
DIP 10
Function
Available only if Direction
Sensitive Output is active!
OFF
Dir. Logic Presence Output
ON
Dir. Logic Pulse Output
2.8 Fail Save / Fail Secure
DIP 11
DIP 12
Function
DIP Switch 11 inverts
output signal on
Relay 1 and DIP Switch 12
on Relay 2.
OFF
Non Inverted Output Signal
ON
Inverted Output Signal
More settings (Delay, Extension, Loop Fail Output, ..) or more detailed settings
(Sensitivity, Hold Time, Output Modes, ..) can be done via USB Interface with the
Service Program.
3
Reset-Button
Press Reset Button 1 s until red LED is flashing to reset/retune detector and clear
historical Loop Fault.
4
LED
Red
Blue
Function
OFF
OFF
No supply voltage
OFF
Fast
Flashing
Calibration/Retuning Loops
OFF
ON
Ready for operation, Loop free
ON
ON
Ready for operation, Loop active
ON
OFF
Loop Fault
x
Flashing
Historical Loop Fault or DIP Switch setting
overwritten by USB*
Blinking
Blinking
Output Loop Frequency in kHz
*) If one or more DIP Switch setting is overwritten by the service program via USB
interface.
Example for loop frequency 57 kHz:
5
Diagnostics
To display more details of the induction loop system, e.g. frequency, detuning, busy
time, output signals, .. use the Service Program.
6
Pin Assignment
Pin
Function
-R24
-R230
1
Power
+10-30 VDC
10-30 VAC
L 100-240 VAC
2
Power
GND
N
3
Relay 2 N.C.
4
Relay 2 COM
5
Relay 1 N.C.
6
Relay 1 COM
7
Loop 1
8
Loop 1
9
-
10
Loop 2
11
Loop 2
7
Technical Data
Dimensions (H x W x L)
76 x 38 x 71 mm
Power Supply
-R24: 10-30 V AC/DC, max.1 W
-R230:100-240 V AC, 50-60 Hz, max. 2 W
Operating Temp.
-37 °C...+70 °C
Relays
max. 2 A, 230 VAC, 60 W/125 VA
Loop
Inductivity
20-700 µH, recommended 100-300 µH
Frequency
30-130 kHz, 2 steps
Supply Line
max. 200 m
Resistance
max. 20 Ohm, incl. Loop Supply Line
Connectors
Power, Loop,
Relay.
11-pole circular connector
Diagnostic
USB-Mini AB
Tens
Units
1 s
5x10 kHz
7x1 kHz
57 kHz
Reset-Button
Diagnostic (USB)
LED Channel 2
DIP-Switch 1…8
LED Channel 1
DIP-Switch 9…12