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Mobile electronics
Mobile electronics MD2

ELECTRICAL SPECIFICATIONS
Protection class IP67 acc. to DIN / EN 60 529 Dither Frequency adjustable 20…500 Hz
Supply voltage 8…32 VDC (for logic part) Factory-preset 100 Hz
8…32 VDC (for solenoid outputs) Amplitude adjustable 0…400 mA
Ripple on supply vol. <10 % Factory-preset 100 mA
Fuse slow-blow Temperature drift <1 % at ∆T = 40 °C
Current consumption: Digital inputs Switching threshold high 6…32 VDC
• No-load current approx. 55 mA Switching threshold low 0…1 VDC
• Maximum current Utilisable as frequency input
• consumption no-load current + 2 A per solenoid (frequencies 0…5 kHz) and as
Analogue inputs: PWM-input
• Voltage 0…+5 V / 0…+10 V / -10…+10 V (automatic frequency identification)
• Current 4…20 mA / 0…+20 mA Digital outputs High-Side-Switch
• Resolution Basic: Analogue inputs 1 and 2: Maximum load 500 mA
10-Bit resolution per output
Enhanced: Analogue inputs 1 to 4: Ramps adjustable 0…500 s
16 bit resolution Serial interface USB (receptacle type B)
• Input resistance Voltage input > 18 kΩ to set parameters with «PASO»
Load for current input = 250 Ω LED
Stabilised output voltage 5 VDC Green: – is lit, when the MD2 - electronics
max. load 50 mA are ready for operation.
Solenoid current: – blinks twice, if the supply voltage is
• Minimal current I min Adjustable 0…950 mA too low for the solenoid outputs.
Factory-preset 150 mA Red: – is lit, when an error has occurred.
• Maximal current I max Adjustable: I …2 A The cause for the error can be in-
min
Factory-preset 700 mA dentified by means of the «PASO»-
• Accumulated current limitation 10 A software.
The number of solenoids simultane- EMV
ously supplied with current and their • Immunity EN 61 000-6-2
maximum current are dependent on • Emission EN 61 000-6-4
the ambient temperature. Further • Road vehicles ISO 7637-2 and RL 2004/104/EC
information can be found in the ope- • Vibration / shock
rating instructions. • Oscillation IEC 60 068-2-6
• Single shock IEC 60 068-2-27
CANopen interface Two-wire line acc. to ISO 11898 • Continuous shock IEC 60 068-2-29
®
(optional) differential signal transmission
Bustopology Line
Voltage separation CANopen to MD2 500 VDC
®

Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 1.13-240E 2/10
CH-3714 Frutigen Edition 11 15
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