HBM MP55 Operating Manual
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Operating manual
PME industrial
measurement
electronics linked
to a field bus
MP55 module
A0563-5.6 en
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PME-MP55
3
Contents Page
Safety instructions 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Introduction 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 List of components and accessories supplied 7 . . . . . . . . . . . . . . . .
1.2 Introduction 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Choose amplifier settings with the aid of DIP switches 8 . . . . . . . . .
3 Fitting/removing the MP55 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Linking several modules 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Connections 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Functional overview of the MP55 14 . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Supply voltage and remote contact I/Os 15 . . . . . . . . . . . . . . . . . . . . .
4.2.1 External supply voltage for the control I/Os 16 . . . . . . . . . . . . . .
4.3 Transducers 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4 CAN-interface 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5 Synchronisation 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Setting up and operation (MP55) 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Operating principles 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Commissioning 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Overview of all groups and parameters 25 . . . . . . . . . . . . . . . . . . . . . .
5.3.1 Set up all parameters 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Declaring the significant parameters 30 . . . . . . . . . . . . . . . . . . . . . . . . . .
7 CAN interface description 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1 Introduction 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2 Cyclical data transmission 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.3 Parameter assignment 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.4 Object directory: communications profile section
as defined in CANopen (CiA-DS301) 41 . . . . . . . . . . . . . . . . . . . . . . . .
7.5 Object directory: manufacturer-specific objects 44 . . . . . . . . . . . . . . .
7.6 Manufacturer-specific objects in FLOAT data format 53 . . . . . . . . . . .
7.7 Examples 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Error messages/operating status (LED) 57 . . . . . . . . . . . . . . . . . . . . . . .
9 Specifications 60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 Keyword index 63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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HBMA0563-5.6 en
4
PME-MP55
Safety instructions
Use in accordance with the regulations
The MP55 module and its connected transducers are to be used exclusively
for measurement tasks and directly related control tasks. Use for any additional purpose shall be deemed to be not in accordance with the regulations.
In the interests of safety, the instrument should only be operated as described
in the User Manual. It is also essential to observe the appropriate legal and
safety regulations for the application concerned during use. The same applies
to the use of accessories.
The device must not be connected directly to the mains supply. The
maximum permissible supply voltage is 18...30 V.
General dangers of failing to follow the safety instructions
The MP55 module corresponds to the state of the art and is safe to operate.
The instrument can give rise to further dangers if it is inappropriately installed
and operated by untrained personnel.
Everyone involved with the installation, commissioning, maintenance or repair
of the instrument must have read and understood the User Manual and in particular the technical safety instructions.
Conditions on site
Protect the device from direct contact with water (IP20).
Maintenance and cleaning
The MP55 module is maintenance-free. Please note the following points when
cleaning the housing:
- Before cleaning, disconnect the devices from the power supply.
- Clean the housing with a soft, slightly damp (not wet!) cloth. You should
never use solvent, since this could damage the labelling on the front panel
and the display.
- When cleaning, ensure that no liquid gets into the device or connections.
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PME-MP55
5
Residual dangers
The scope of supply and list of components provided with the MP55 cover
only part of the scope of measurement technology. In addition, equipment
planners, installers and operators should plan, implement and respond to the
safety engineering considerations of measurement technology in such a way
as to minimise residual dangers. Prevailing regulations must be complied with
at all times. There must be reference to the residual dangers connected with
measurement technology.
Any risk of residual dangers when working with the MP55 is pointed out in this
introduction by means of the following symbols:
Symbol:
WARNING
Meaning: Dangerous situation
Warns of a potentially dangerous situation in which failure to comply with
safety requirements can lead to death or serious physical injury.
Symbol:
CAUTION
Meaning: Possible dangerous situation
Warns of a possibly dangerous situation in which failure to comply with safety
requirements can cause damage to property or lead to some form of physical
injury.
Symbol:
NOTE
Means that important information about the product or its handling is being
given.
Symbol:
Meaning: CE mark
The CE mark enables the manufacturer to guarantee that the product com-
plies with the requirements of the relevant EC directives (the declaration of
conformity is available at http://www.hbm.com/support/dokumentation).
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PME-MP55
Working safely
Error messages should only be acknowledged if the cause of the error is removed and no further danger exists.
The instrument complies with the safety requirements of DIN EN 61010,
Part 1 (VDE 0411, Part 1).
To ensure adequate immunity from interference, use only Greenline shielded
ducting (place the shield of the transducer cable onto the connector housing).
The MP55 module must be operated with an extra-low safe voltage (supply
voltage 18 to 30 V DC).
Conversions and modifications
The MP55 module must not be modified from the design or safety engineering
point of view except with our express agreement. Any modification shall exclude all liability on our part for any damage resulting therefrom.
In particular, any repair or soldering work on motherboards is prohibited.
When exchanging any modules, only original HBM parts must be used.
Qualified personnel
This instrument is only to be installed and used by qualified personnel strictly
in accordance with the technical data and with the safety rules and regulations
which follow. It is also essential to comply with the appropriate legal and
safety regulations for the application concerned during use. The same applies
to the use of accessories.
Qualified personnel means persons entrusted with the installation, assembly,
commissioning and operation of the product who possess the appropriate
qualifications for their function.
Maintenance and repair work on an open device with the power on must only
be carried out by trained personnel who are aware of the dangers involved.
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PME-MP55
1 Introduction
1.1 List of components and accessories supplied
List of components supplied:
D 1 MP55 module
D 3 x 6-pin terminal plugs, coded
Order No.: 3.3312-0251 (terminal plug 3);
3.3312-0252 (terminal plug 4); 3.3312-0250 (terminal plug 1)
D 10-pin ribbon cable jack-connector
D 1 User Manual for the MP55 module
Accessories:
D 15-pin Sub-D connector for transducer, Order No.: 3.3312-0182
7
D Standard ribbon cable, 10pin, 1.27 mm pitch
1.2 Introduction
The MP55 module from the PME product line is a carrier-frequency amplifier,
and is ideal for connecting the widest possible technological varieties of force,
pressure, torque and displacement transducers as well as load cells. The
MP55 module is set up, and its parameters are assigned, using either the keyboard and display or the PME Assistent. The PME Assistent provides an easy
operator interface under MS-Windows and this is used for assigning parameters to modules (as described in the ”PME Assistant” online help).
Carrier-frequency
transducer excitation
A
D
Smart signal condi-
tioning, e.g. limit va-
lue switch
µP
DC
DC
D
A
Supply voltage
24 V
Analogue output
Control I/Os
MP55
Keyboard & display
Fig. 1.1: Block diagram of the MP55 module
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CANopen interface
HBMA0563-5.5 en
8
PME-MP55
2 Choose amplifier settings with the aid of DIP switches
NOTE
The DIP switches must be set up/changed before the PME is fitted.
Various settings are defined with DIP switches and can be read out via the
display (see chapter 5.3). These are the settings for
bridge excitation voltage, effective range, bridge type, analogue output,
master/slave, terminating bus impedance, edge steepness
To set up the DIP switches proceed as shown in Fig. 2.1.
1
Unscrew the
cover
Fig. 2.1: Open the housing; position of the DIP switches
S10
S11
S12
2
S1/S2
S5
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PME-MP55
9
Factory settings:
ON ON ON
1
2
3
S10
S11
S12
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
ON
2
3
1
S5
S2
ON ON
123456 12 3456
S1
Lower
board:
Upper
board:
S10, S11 and
S12 and S5
S1 and S2
ON
1
S10
2
34
Master/
Slave
ON
Analogue output
123
S11
ON ON
5
6
12
Analogue
output
34
5
Bridge ex-
citation
voltage
Input
range
6
Bridge
type
S12
1
23
45
6
Amplifier type
Switch positions
must not be changed!
WARNING
S2
ON ON
S1
123456 123456
Bridge ex-
citation vol-
tage
Bridge
type
Input
range
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10
PME-MP55
S11
S12
Full bridge
Half bridge
LVDT
S5
S2 S1
Bridge type
ON
123456
ON
123456
ON
123456
Factory setting:
1)
ON
S1
123456
ON
S1
123456
ON
S1
123456
S12
S12
S12
3 mV/V
Switch pos. I
50 mV/V
Switch pos. II
500 mV/V
Switch pos. III
Input range*)
ON
S1
123456
ON
S1
123456
ON
S1
123456
2)
ON
S11
123456
ON
S11
123456
ON
S11
123456
See Tab. 1.1 on the opposite page
3)
S11
"10 V
"20 mA
Analogue output
ON
S11
123456
ON
S11
123456
5 V
2.5 V
Bridge excitation voltage
ON
123456
ON
1234 56
ON
S2
123456
ON
S2 S11
123456
mA
ON
ON
1 V
123456
ON
S2 S11
123456
4...20 mA
S11
123456
Fig. 2.2: Setting up an amplifier
1)
Check this in the display under the TRANSDUCER group, parameter ”Trans.type”; see page 25
2
) Check this in the display under the TRANSDUCER group, parameter ”Input”; see page 25
3)
Check this in the display under the TRANSDUCER group, parameter ”Excitation”; see page 25
4)
Check this in the display under the ANALOG OUTPUT group, parameter ”ModeUa”, see page 25
*)
mV/V values by reference to 5 VUB (see table Tab. 1.1 on the following page)
V
4)
ON
S5
123
ON
S5
123
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PME-MP55
S10
Master
11
ON
Master/Slave
S10
123456
ON
Slave
S10
123456
Fig. 2.3: Setting up an amplifier (Continued)
Terminating bus resistor
S14
Toggle switch for termination resistor
(see page 19)
ON
Fig. 2.4: Toggle switch for termination resistor
Bridge excitation voltage [V] Input range [mV/V]
OFF
Switch position I Switch position II Switch position III
5 3 50 500
2.5 6 100 1000
1 15 250 2500
Tab. 1.1: Input ranges for different bridge excitation voltages
Transducer type and rated data Bridge type Bridge excitation
voltage
Strain gauge force transducer
Full bridge 5 V 3 mV/V
2 mV/V=20 kN
Inductive displacement transducer
Half bridge 2.5 V 100 mV/V
80 mV/V
Inductive displacem. trans. 10 mV/V Half bridge 1 V 15 mV/V
Piezoresistive transducer 400 mV/V Half bridge 1 V 250 mV/V
Potentiometric transducer 1000 mV/V Half bridge 2.5 V 1000 mV/V
Input range
Tab. 1.2: Useful options
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3 Fitting/removing the MP55
PME-MP55
Fig. 3.1: Fitting to a support rail
Fig. 3.2: Removal
CAUTION
The support rail must be on protection circuit potential .
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PME-MP55
3.1 Linking several modules
Ribbon cable jack-connector
Further devices are interconnected
via this connector.
1st
3rd
13
Colour coding
on pin 1
2nd
58mm
Recommended distance from the ribbon cable jack-connector
Fig. 4.1: Connecting ribbon cable
Several MP55 modules can be connected via one ribbon cable. This cable
serves as the local link for supply voltage and synchronisation between modules. No more than eight modules should be interconnected over one ribbon
cable.
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PME-MP55
4 Connections
Warning
Comply with the safety instructions before putting the instrument into
service.
4.1 Functional overview of the MP55
Local link for CAN-bus, supply voltage and synchronisation between modules,
Terminating bus resistor
Terminal plug 1:
Power supply and CAN-bus,
synchronisation
LED
Terminal plug 2: (same pin
assignment as terminal plug 1)
CAN adapter for PC/laptop
connection, assigning parameters
via CAN-bus
2-line LCD display
Touch-sensitive
control keys
Transducer connection (15-pin sub-D
connector) including transducer
excitation
Terminal plug 3:
Potential-separated control inputs
(24 V-level), analogue output
Terminal plug 4:
Potential-separated control outputs
(24 V-level), external power supply for
control inputs
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PME-MP55
4.2 Supply voltage and remote contact I/Os
Four removable terminal plugs are available for connections.
Connecting the power
supply:
Terminal plug 2
The MP55 module must be connected to an external
18-30 V supply voltage (24 V
D Twist the power supply conductors and fit them with
sleeves.
D Screw the conductors to terminal plug 1.
D
Insert the terminal plug into the uppermost jack.
D Switch on power supply.
Warning
nominal
0 V
).
CAN
LH
15
24 V
SYN
Labeling
Labeling
Terminal plug 1
Terminal plug 3
0 V
24 V
Analogue-
IN2
IN1
IN3
IN4
OUT
"10 V
"20 mA
4...20 mA
IN = digital input OUT = digital output
More information on I/Os can be found in chapter 6, page 35.
CAUTION
In the event of a power failure to the MP55 module, all control
outputs are set to 0 V.
OUT1
OUT2
OUT3
Terminal plug 4
Labeling
OUT4
Fig. 4.2: Pin assignment for terminal plugs
The 4 terminal plugs are coded so that they can be inserted in the 4 jacks
without any confusion. Jacks are fitted with coded lateral guides and terminal
plugs are fitted with coded pins.
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4.2.1 External supply voltage for the control I/Os
Example: PLC connection
PME-MP55
MP55 module
OUT3
OUT1
24 V*
0 V*
Terminal plug 4
max. 0.5 A
PLC
Relay
max. 0.5 A
24 V
0 V*
Fig. 4.3: Connection to a PLC
The controlinputs are available on terminal plug 3, the controloutputs are
available on terminal plug 4, and they are all galvanically isolated from the internal supply voltage (see also chapter 6, ”Declaring the significant parameters” page 30).
)
The control-outputs must be supplied with an external voltage (ground
*
and 24 V).
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PME-MP55
4.3 Transducers
The following transducer types can be connected to the MP55 module:
17
Transducer
15
connection jack
9
Strain gauge and inductive full
bridges, piezoresistive transducers
wh
Measuring signal (+)
bk
Bridge excitation
voltage (-)
re
Measuring signal (-)
bu
Bridge excitation
voltage (+)
gn
Sensor circuit (+)
gy
Sensor circuit (-)
ye
Cable shielding
8
5
15
6
13
12
Hsg.
8
1
Strain gauge and inductive half
bridges
wh
Measuring signal (+)
bk
Bridge excitation
voltage (-)
bu
Bridge excitation
voltage (+)
gn
Sensor circuit (+)
gy
Sensor circuit (-)
ye
Cable shielding
8
5
6
13
12
Hsg.
Potentiometric transducers
LVDT transducers
Measuring signal
Measuring
signal (+)
Bridge excitation
voltage (-)
2
Bridge excitation
8
5
6
voltage (+)
1
Cable shielding
Hsg.
3
Sensor circuit (+)
Sensor circuit (-)
13
12
(+)
Bridge excitation
voltage (-)
Bridge excitation
voltage (+)
Measuring signal
(-)
Cable shielding
Sensor circuit (+)
Sensor circuit (-)
Wiring colours: wh= white; bk= black; bu= blue; re= red; ye= yellow; gn= green;
gy= grey
Fig. 4.4: Connecting various transducers
8
5
6
15
Hsg.
13
12
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PME-MP55
When installing a transducer with a four-wire connection, you must connect
the sensor lines with the corresponding bridge excitation line (Pin 5 with Pin
1)
12, Pin 6 with Pin 13)
.
Four-wire connection:
Full bridge
wh
bk
re
bu
ye
8
5
15
6
13
12
Hsg
.
Four-wire connection:
Half bridge
wh
bk
bu
gn
gy
ye
Hsg
8
5
15
6
13
12
.
Feedback bridges for four-wire connection
Wiring colours: wh= white; bk= black; bu= blue; re= red; ye= yellow; gn= green; gy= grey
Fig. 4.5: Four-wire transducer connection
NOTE
Use standard HBM cable for the transducer connection. When using
other shielded, low-capacitance measuring cable, connect the transducer cable shielding to the connector housing in accordance with the
HBM Greenline concept (publication S1578). This ensures EMC protection.
1)
For cable lengths in excess of 50 m, one resistor with half the value of the bridge resistance (RB/2) must
be switched on at the transducer in place of each of the feedback bridges. If the transducers are calibrated in six-core circuit, the resistors must be switched on directly in the sensor circuit.
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PME-MP55
19
4.4 CAN-interface
The CAN-bus is connected via terminal plug 1. A maximum of 32 CAN users
can be connected to a bus segment (in accordance with the CANopen specification). The CAN-bus needs a terminating impedance of 120 Ω in the first and
last bus users. The bus line can have a maximum of two terminating resistors.
The MP55 module has a built-in terminating resistor which is enabled by
toggle switch S14 (see page 11).
Low High
1st device
Fig. 4.6: Connecting the CAN interface
CAN-High
CAN-Low
CAN connection
in accordance
with Fig. 4.6
First device in
the bus line
connect the terminating
resistor here (toggle
switch)
Do not connect the termina-
ting resistor
Last device in
the bus line
connect the terminating
resistor here (toggle
switch)
Fig. 4.7: CAN-bus operation with several modules (maximum 32 in accordance
with standard)
NOTE
If the first or last device in the bus line is not a PME module, one 120 W
resistor must be connected for each of these outside devices.
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PME-MP55
4.5 Synchronisation
Synchronisation is advisable when
D the transducer cables are connected in parallel to several devices
D unshielded channels lie close together
Synchronisation prevents carrier-frequency differences giving rise to beat interference.
S10
ON
123456
S10
Master
S10
ON
Slave
123456
Fig. 4.8: Setting up master/slave
To synchronise several instruments, set up one of them as Master. Set up all
the other instruments as Slaves.
Synchronisation between modules should always be carried out via the ribbon
cable- even when you are not working with CAN-bus.
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