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Signal Conditioner MUW
Connecting Instructions
1. Preparing the connecting cable
We recommend using 3- or 4-wire twisted cable (0,25 mm² ≈ AWG 24) with braided shielding and an
outside diameter of 4 to 10 mm (0,16 to 0,4 in). Release the plastic screw of the conduit gland from the
connector box and push it over the end of the cable with the plain washer and the gland inset. Strip
30 mm of the cable sheathing and 5 mm of the stranded wires insulation. Twist the braided shielding if
necessary. Use end sleeves for strands (0,5 mm² and 0,75 mm² for the shielding). In case of 4- wire
cable, both ground wires for terminal B must be crimped together into a common end sleeve for
strands. Push the shrink sleeve lying inside the box over the shielding.
2. Opening the connector box
While the cover is completely closed, pull out the fastening screw entirely from the connector box.
Lift off the cover.
3. Connecting the cable
Remove the strain relief tab (2 cross recessed head screws) inside the box. Feed the cable prepared
according to instructions under (1.) into the connector box. Connect the stranded wires as indicated in
the connection diagram (see below) to the terminal strip. Push the cable forward far enough to allow the
cable sheathing to reach the cable strain relief. Mount the strain relief tab (turn over for cable diameters
less than 5 mm). Push the gland inset and the plain washer into the connector box and screw it tight
using the plastic screw.
4. Turning the socket terminal inset
If necessary, it is possible to change the orientation of the cable by turning the socket terminal inset as
follows: Open the connector box as described under (2.). Push the socket terminal inset downwards
through the hole in the centre of the circuit board. Turn the socket terminal inset to the required position.
When inserting, take care not to jam any of the stranded wires. The inset comes to rest recessed
approximately 1 mm into the box.
5. Fastening the connector box to the transducer
Close the cover of the connector box and insert the fastening screw. Put the inserted seal at the plug,
plug on the connector box and screw it tight using the fastening screw.
6. Exchanging polarity
If you wish to alter the assignment of the output signal to the direction of movement of the transducer,
proceed as follows: remove the socket terminal inset as described under (4.). Exchange the wires
1 (black) and 3 (blue) at the socket terminal inset. Reassemble as described under (4.).
7. Adjusting (only applies to MUW250)
At first adjust to zero: Move the transducer's wiper to the start position, paying particular attention to the
wiper staying within the electrical measurement range of the sensor.
For types MUW250-0 and MUW250-1 now adjust the output signal by turning the trimming
potentiometer next to terminal D to 0 V. Do not turn beyond 0 V. Move the transducer's wiper to the end
position, also paying particular attention to the electrical measurement range of the sensor. Now adjust
the output signal by means of the trimming potentiometer next to terminal A to 10 V.
For type MWU250-4 please proceed as follows: Move the transducer's wiper to the start position.
Adjust the output current by turning the trimming potentiometer next to terminal D to 0 mA. Now move
the wiper to the end position. Now adjust the current using the trimming potentiometer next to terminal
A to 16 mA. Move the wiper to the start position and adjust the output current using the trimming
potentiometer next to terminal D to 4 mA. Check the value at the end position and reiterate the process
if necessary.
connection diagram:
Doc.-Nr. MU00000122R1
(zero and span only MUW250)
Signal Conditioner MUW
Connecting Instructions
1. Preparing the connecting cable
We recommend using 3- or 4-wire twisted cable (0,25 mm² ≈ AWG 24) with braided shielding and an
outside diameter of 4 to 10 mm (0,16 to 0,4 in). Release the plastic screw of the conduit gland from the
connector box and push it over the end of the cable with the plain washer and the gland inset. Strip
30 mm of the cable sheathing and 5 mm of the stranded wires insulation. Twist the braided shielding if
necessary. Use end sleeves for strands (0,5 mm² and 0,75 mm² for the shielding). In case of 4- wire
cable, both ground wires for terminal B must be crimped together into a common end sleeve for
strands. Push the shrink sleeve lying inside the box over the shielding.
2. Opening the connector box
While the cover is completely closed, pull out the fastening screw entirely from the connector box.
Lift off the cover.
3. Connecting the cable
Remove the strain relief tab (2 cross recessed head screws) inside the box. Feed the cable prepared
according to instructions under (1.) into the connector box. Connect the stranded wires as indicated in
the connection diagram (see below) to the terminal strip. Push the cable forward far enough to allow the
cable sheathing to reach the cable strain relief. Mount the strain relief tab (turn over for cable diameters
less than 5 mm). Push the gland inset and the plain washer into the connector box and screw it tight
using the plastic screw.
4. Turning the socket terminal inset
If necessary, it is possible to change the orientation of the cable by turning the socket terminal inset as
follows: Open the connector box as described under (2.). Push the socket terminal inset downwards
through the hole in the centre of the circuit board. Turn the socket terminal inset to the required position.
When inserting, take care not to jam any of the stranded wires. The inset comes to rest recessed
approximately 1 mm into the box.
5. Fastening the connector box to the transducer
Close the cover of the connector box and insert the fastening screw. Put the inserted seal at the plug,
plug on the connector box and screw it tight using the fastening screw.
6. Exchanging polarity
If you wish to alter the assignment of the output signal to the direction of movement of the transducer,
proceed as follows: remove the socket terminal inset as described under (4.). Exchange the wires
1 (black) and 3 (blue) at the socket terminal inset. Reassemble as described under (4.).
7. Adjusting (only applies to MUW250)
At first adjust to zero: Move the transducer's wiper to the start position, paying particular attention to the
wiper staying within the electrical measurement range of the sensor.
For types MUW250-0 and MUW250-1 now adjust the output signal by turning the trimming
potentiometer next to terminal D to 0 V. Do not turn beyond 0 V. Move the transducer's wiper to the end
position, also paying particular attention to the electrical measurement range of the sensor. Now adjust
the output signal by means of the trimming potentiometer next to terminal A to 10 V.
For type MWU250-4 please proceed as follows: Move the transducer's wiper to the start position.
Adjust the output current by turning the trimming potentiometer next to terminal D to 0 mA. Now move
the wiper to the end position. Now adjust the current using the trimming potentiometer next to terminal
A to 16 mA. Move the wiper to the start position and adjust the output current using the trimming
potentiometer next to terminal D to 4 mA. Check the value at the end position and reiterate the process
if necessary.
connection diagram:
Doc.-Nr. MU00000122R1
(zero and span only MUW250)
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