EN

Bridge Amplifier, Selectable Configuration
DABU MP4M
Features
• S/G Bridge amplifier
• Selectable bridge configuration
• Limit switches with switching output
• Peak value
• Double-line display
• Voltage output
• Digital signal path
Electrical Data
Mechanical Data
Output signal±10 V calibrated
load > 10 kΩ
Control connection13 pin terminal block
Resolution < 0,035% FS
Shield connection2 pin terminal block
Sensor connection13 pin terminal block
Measuring accuracy < 0,15% v.E.
Enclosure materialaluminum/plastic
Supply voltage range 15 - 33 VDC
Current consumption
< 120 mA
Bridge excitation
5 VDC
Bridge completion
resistors
350 Ω
Zero reset active
Environmental Conditions
Operating temp. range0...+65 °C
< ±10 mV
Storage temperature-20...+80 °C
Reset inputactive 5 - 33 VDC
galvanically separatedinactive <1 VDC
Taring range
±6 mV/V
Reset pulse
< 1 ms
Holding time
< 5 ms
Reset/operate offset
< ±10 mV
Scanning rate
> 1 ms
Frequency range (3 dB)
300 Hz
Protection classIP 40
Order Code
DABU MP4M-FCGain
Display
refresh rate
2/sec
Switching hysteresis
limit switches
0.50 =0,50 mV/V= 0-10 V
0.75 =0,75 mV/V= 0-10 V
1.00 =1,00 mV/V= 0-10 V
1.25 =1,25 mV/V= 0-10 V
2.00 =2,00 mV/V= 0-10 V
< 0,5% FS
Max. load max. 50 mA
limit switches
Signal polarity
selectable
Delivery Contents
• Clamping clip for ground connection
6.12
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DABU MP4M
75,5
45,5
Dimensions (mm)
72,5
31
Supporting rail TS 35
(DIN EN 60715 TH35)
58
78
6
Electrical Connections
Pin assignment sensor side
Pin assignment control side
Pin
Signal
Description
PinSignal Description
1
+E
+bridge excitation
1
+Vs
+supply voltage
2
+E
+bridge excitation
2
Vout1/Iout 1
output signal
3
+E'
bridge to completion resistor
3
GND
-supply voltage
4
Vout2/Iout2
(peak value)
analog output
4n.c.
5n.c.
6
1818
+S
+ signal input
5
GND
signal reference
switch S1
output 1
– signal input
6
8n.c.
7
switch S2
output 2
Reset Taring of output signal
GND
signal reference
7
-S
9
-E'
bridge to completion resistor
8
10
-E'
bridge to completion resistor
9
11
-E
– bridge excitation
10
Comm_Logic
logical reference
– bridge excitation
11
Mode_0
mode 0
12
Mode_1
mode 1
12
-E
13Shield
13Error output
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6.13
Bridge Amplifier, Selectable Configuration
DABU MP4M
Electrical Connections
E+ 1,2
+5V
1 +Vs
LCD
E+' 3
S+ 6
12bit
A
S- 7
D
3,5,9 GND
uP
DAC
12bit
2 Vout/Iout (Signal)
DAC
12bit
4 Vout 2/Iout 2 (Peak)
E- ' 9
+Vs
E -' 10
E- 11,12
13 Error
+5V
7 Switch 2
D-Pot
6 Switch 1
Shield 13
8 Reset
3
11 Mode_0
12 Mode_1
Error LED LED1 LED2
red/green green green
10 Com_Logic
Shield
Shield
S/G Bridge
2 x 1/4-bridge (diagonal)
sensor side
8.14
full bridge
half bridge
control side
sensor side
control side
E+
1
E+
1
E+
2
E+
2
E+'
3
E+' 3
S+
6
S-
7
S+
6
S-
7
E-' 10
E-'
9
E-
11
E-
11
E-
12
E-
12
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sensor side
control side
E+
1
S-
7
S+
6
E-
12
DABU MP4M
Reset Function
V
Peak
Signal
t
U
Reset
V
Output signal resp. peak signal
Reset
Reset input (active high)
t1
Reset pulse (> 1 ms)
t2
Reset holding time
after Reset-Pulse (< 5 ms)
Measure
t1
t2
t
6
Control Element
DIP-switch 1
connector 1
LED 3
DIP-switch 2
LED 1 + 2
switch
display
connector 2
DIP-Switch 1
Selection of display
Connector 1
Connection sensor side
LED 3
Error display
LED 1 + 2
Limit value (active/inactive)
DIP-Switch 2 Reset (active/inactive); signal polarity
Switch
For limit value adjustment
Connector 3
Shield connection
Connector 2
Control side connection
Display
Double-line LC-display with
back ground lighting
connector 3
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6.15
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