BA 201P/00/en/05.99
Software version 1.0
52002513
cerabar M
Pressure Transmitter
Operating instructions
Cerabar M with Smart electronics
(HART)
0,753
Damping
1
2
+
–
3
on
Zero Span
off
Display
I
O
Endress + Hauser
Nothing beats know-how
File Name: EH_Transmitter_CerabarM_om_D599
Short Operating Instructions
Cerabar M
Short Operating Instructions
Damping
1
2
+
–
3
on
Zero Span
off
Local operation
with digital display
Display
Operation:
– Function of the display
Sect. 3.2
– Position and function
of the operating elements
on the electronic insert
Commissioning
on site:
– Sect. 4.1
Remote operation
via HART protocol
Operation:
– with Commuwin II
Sect. 3.4
– with Universal HART
Communicator
DXR 275
Sect. 3.5
Commissioning
with remote
communication:
– Sect. 4.2
Software History
Software version
Valid operating
instructions
(BA)
Device and
Software No.
Software
revision
Changes in
operating
instructions
1.0
05.99
8010
–
–
2
Endress+Hauser
Cerabar M
Table of Contents
Table of Contents
1 Introduction
. . . . . . . . . . . . . 6
2 Installation . . . . . . . . . . . . . . 7
2.1 Mounting instructions without diaphragm
seal . . . . . . . . . . . . . . . . . 7
2.2 Mounting instructions with diaphragm seal . 9
2.3 Mounting accessories . . . . . . . . 11
2.4 Electrical connection . . . . . . . . . 12
3 Operation . . . . . . . . . . . . . . 15
3.1 Access to the operating elements . . .
3.2 Function of the display . . . . . . .
3.3 Position and function of the operating
elements on the electronic insert . . .
3.4 Operation using Commuwin II . . . .
3.5 Operating with the HART protocol via
Universal HART Communicator DXR 271
.
.
15
16
.
.
16
17
.
18
4 Commissioning . . . . . . . . . . . 19
4.1 On-site commissioning . . . . .
4.2 Commissioning and operation using
communication . . . . . . . .
4.3 Locking/Unlocking operation . . .
4.4 Information on the measuring point
. . .
19
. . .
. . .
. . .
20
22
23
5 Diagnosis and Troubleshooting
. .
24
5.1 Diagnosis of errors and warnings . . . .
5.2 Current simulation . . . . . . . . . .
5.3 Reset . . . . . . . . . . . . . . .
24
24
25
6 Maintenance and Repair . . . . . . 26
6.1
6.2
6.3
6.4
6.5
6.6
Repair . . . . . . . . . .
Replacement parts . . . . .
Mounting the digital display .
Changing the electronic insert
Changing the measuring cell .
Changing the gasket . . . .
.
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26
26
28
29
31
31
7 Technical Data . . . . . . . . . . . 32
7.1 Dimensions
. . . . . . . . . . . .
35
8 Operating Matrix . . . . . . . . . . 38
Endress+Hauser
3
Notes on Safety
Cerabar M
Notes on Safety
Approved usage
The Cerabar M is a pressure transmitter for measuring gauge or absolute pressure
depending on the version.
Mounting,
commissioning,
operation
The Cerabar M has been designed to operate safely in accordance with current
technical, safety and EU standards. If installed incorrectly or used for applications for
which it is not intended, however, it is possible that application-related dangers may
arise, e.g. B. product overspill by incorrect installation or adjustment. For this reason,
the instrument must be installed, connected, operated and maintained by personnel
that are authorised by the user of the facility and who are suitably qualified. The
manual must have been read and understood, and the instructions followed.
Modifications and repairs to the device are permissible only when they are expressly
approved in the manual.
Explosion-hazardous
area
The measuring system used in the explosion-hazardous area must comply with all
existing national standards. The instrument can be supplied with the following
certificates as listed in the table. The certificates are designated by the first letter of
the order code on the nameplate (see table below).
Ensure that technical personnel are sufficiently trained.
All measurement and safety regulations which apply to the measuring points are to be
observed.
ENDRESS+HAUSER
CERABAR M PMC/PMP
Order No. PMC xx –
Order No. PMP xx –
Certificates for applications in
explosion hazardous areas
4
Code
Certificate
Protection
R
Standard
None
G
ATEX 100
ATEX II 1/2 G EEX ia IIC T6
K
CENELEC
EEX ia IIC T6
L
ATEX 100
ATEX II 1/3 D (non- Ex power supply)
N
ATEX 100
ATEX II 3 G EEx nV IIC T5 (Zone 2)
C
CSA
General Purpose
S
CSA
CSA IS (suitable for Div. 2) Cl. I, II, III, Div. 1, Groups A…G
T
CSA
CSA Cl. I, Div. 2, Groups A…D, Cl. II, III, Div. 1, Groups E…G
P
FM
FM IS (non incendive) Cl. I, II, III, Div. 1, Groups A…G
M
FM
FM DIP, Cl. II, III, Div. 1, Groups A…G
V
TIIS
TIIS Ex ia IIC T6
Endress+Hauser
Cerabar M
Notes on Safety
Notes on Safety
In order to highlight safety-relevant or alternative operating procedures in the manual,
the following conventions have been used, each indicated by a corresponding icon in
the margin.
Symbol
Meaning
Notes on safety
Note!
A note highlights actions or procedures which, if not performed correctly, may indirectly
affect operation or may lead to an instrument response which is not planned.
Note!
Caution!
Caution highlights actions or procedures which, if not performed correctly, may lead to
personal injury or incorrect functioning of the instrument.
Caution!
Warning!
A warning highlights actions or procedures which, if not performed correctly, will lead to
personal injury, a safety hazard or destruction of the instrument.
Device certified for use in explosion hazardous area
If the device has this symbol embossed on its name plate it can be installed in an explosion
hazardous area.
Type of protection
Explosion hazardous area
Symbol used in drawings to indicate explosion hazardous areas.
Devices located in and wiring entering areas with the designation “explosion hazardous
areas” must conform with the stated type of protection.
Safe area (non-explosion hazardous area)
Symbol used in drawings to indicate, if necessary, non-explosion hazardous areas.
Devices located in safe areas still require a certificate if their outputs run into explosion
hazardous areas.
Direct voltage
A terminal to which or from which a direct current or voltage may be applied or supplied.
Electrical symbols
Alternating voltage
A terminal to which or from which an alternating (sine-wave) current or voltage may be
applied or supplied.
Grounded terminal
A grounded terminal, which as far as the operator is concerned, is already grounded by
means of an earth grounding system.
Protective grounding (earth) terminal
A terminal which must be connected to earth ground prior to making any other connection
to the equipment.
Equipotential connection (earth bonding)
A connection made to the plant grounding system which may be of type e.g. neutral star or
equipotential line according to national or company practice.
Endress+Hauser
5
1 Introduction
Cerabar M
1 Introduction
Application
The Cerabar M pressure transmitter measures the pressure of gases, vapours and liquids
and is used in all areas of chemical and process engineering.
Operating principle
Ceramic sensor
The system pressure acts directly on the rugged ceramic diaphragm of the pressure
sensor deflecting it by a maximum of 0.025 mm (0.0098 in). A pressure-proportional
change in the capacitance is measured by the electrodes on the ceramic substrate
and diaphragm. The measuring range is determined by the thickness of the ceramic
diaphragm.
Metal sensor
The process pressure deflects the separating diaphragm with a filling liquid
transmitting the pressure to a resistance bridge. The bridge output voltage, which is
proportional to pressure, is then measured and processed.
Ceramic sensor
Metal sensor
Ceramic substrate
Resistance
bridge
Diaphragm
Filling fluid
Electrode
Figure 1.1
Sensor construction
Measuring system
BA201Y02
The complete measuring system consists of
• Cerabar M pressure transmitter with 4…20 mA signal output with superposed digital
signal (HART communication) and
• power supply 11.5…45 VDC, in Ex area 11.5…30 VDC.
Operation can be carried out via:
• a digital display for operating and calling up measured values locally,
• the universal handheld HART Communicator DXR 275,
• the Endress+Hauser Commuwin II operating program.
Cerabar M
4…20 mA
Non-Ex area:
11.5…45 VDC
Ex-i area:
11.5…30 VDC
Process
Figure 1.2
The measurement system
6
BA201Y03
Endress+Hauser
Cerabar M
2 Installation
2 Installation
This section describes:
• the mechanical installation of Cerabar M with and without diaphragm seal,
• the electrical connection.
2.1 Mounting instructions without diaphragm seal
The Cerabar M without diaphragm seal is mounted in the same way as a manometer.
The use of shut-off valves and pigtails is recommended. The position depends upon
the application.
Cerabar M
without diaphragm seal
– PMC 41, 45
– PMP 41, 45
• Measurement in Gases:
Mount the shut-off valve above the tapping point so that condensate can run back
into the process.
BA201Y04
Figure 2.1
Mounting on a shut-off valve for
measuring gases
• Measurement in steam:
Mount with a pigtail above the tapping point.
The pigtail reduces the temperature in front of the diaphragm to almost ambient
temperature. Before start-up, the pigtail must be filled with water.
BA201Y05
Endress+Hauser
BA201Y06
Figure 2.2
left:
Mounting with U-shaped pigtail
for measuring steam
right:
Mounting with circular pigtail for
measuring steam
7
2 Installation
Cerabar M
• Measurement in liquids:
Mount on the shut-off valve below the tapping point or at the same height
Figure 2.3
Mounting on a shut-off valve for
measuring liquids
Mounting the PMP 41
The PMP 41 with metal sensor is available in the following versions:
• with flush-mounted diaphragm or
• with adapter and internal diaphragm.
The adapter can be screwed on or welded in.
A gasket is enclosed according to the material used and version.
G ½ external with O-ring
Welded nozzle
21.3
19.4
4,3
G½
Ø 26.4
15
21
17
3
Dimensions
1 in = 25.4 mm
1 mm = 0.039 in
BA201Y07
50
Viton seal
O-ring 14 x 1.78
Viton or NBR
Threaded hole
DIN 3852-X-G ½
Figure 2.4
PMP 41 with flush-mounted
diaphragm
above:
G ½ external with O-ring
below:
G ½ external
8
G½
Teflon
G½
Ø 26.4
Ø 26.4
Hastelloy spring
Viton seal
17
3
17
3
27
21
2.5
Screwed plug
DIN 3852-E-G ½
14
22
G ½ external
Teflon back-up
PTFE seal
BA201Y08
Endress+Hauser
Cerabar M
Process connection
flush-mounted
diaphragm
2 Installation
Welded
Seal supplied
With adapter internal
diaphragm
max. torque:
80 Nm
BA201Y09
Figure 2.6
Cerabar M PMP 41
with screwed or welded adapter.
With screw adapter max. torque
80 Nm.
2.2 Mounting instructions with diaphragm seal
The Cerabar M with diaphragm seal is screwed in, flanged or clamped, depending on
the type of diaphragm seal.
PMP 46 with screw cap
PMP 48 with flange
PMP 46 with clamp
BA201Y10
Cerabar M
with diaphragm seal
– PMP 46
– PMP 48
Figure 2.5
Diaphragm seal versions
• The protective cap of the diaphragm seal should only be removed just before
mounting in order to protect the diaphragm.
• The diaphragm of the diaphragm seal of the Cerabar M must not be dented or
cleaned with pointed or hard objects.
• The diaphragm seal and the pressure sensor together form a closed and calibrated
system which is filled with filling fluid through a hole in the upper part of the sensor.
The following rules should be observed:
− This hole is sealed and is not to be opened.
− The instrument should only be turned by the diaphragm seal at the point provided
and not by the housing.
Endress+Hauser
9
2 Installation
The use of temperature spacers is
recommended for constant extreme
product temperatures that can cause the
maximum permissible ambient
temperature of +85°C (+185°F) to be
exceeded.
• Note when mounting that the
temperature spacer increases the
maximum height by 100 mm (3.94 in).
• Due to the water column in the
temperature spacer, the increased
height also causes a zero point shift of
approx. 10 mbar (0.15 psi).
100
Mounting with
temperature spacers
Cerabar M
BA201Y11
Figure 2.7
Mounting with temperature spacers
Mounting with capillary
tubing
Measuring point:
– very moist
– hot
– strongly vibrating
– difficult to access
184.5
60.3
Mounting point
away from the
measuring point
26
81
70
101 (121)
Dimensions
1 in = 25.4 mm
1 mm = 0.039 in
To protect from high temperature, moisture or vibration, or where the mounting point is
not easily accessible, the housing of the Cerabar M can be mounted with a capillary
tube to one side of the measuring point.
A bracket for mounting on a wall or pipe is available for this.
119.5
3
26
101 (121)
167
Figure 2.8
Mounting with capillary tubing
and bracket away from the
measuring point.
Values in brackets apply to
instruments with a raised cover.
10
102.5
BA201Y12
BA201Y13
Endress+Hauser
Cerabar M
2 Installation
2.3 Mounting accessories
PMC 41
wall and pipe mounting
with bracket
159
97 (117)
98 (118)
32
32
176
3
81
70
60.3
94
111
6
60.3
BA201Y14
PMC 41
wall and pipe mounting
with bracket
167.5
113(133)
114 (134)
26
26
81
70
184.5
3
Dimensions
1 in = 25.4 mm
1 mm = 0.039 in
60.3
119.5
Figure 2.9
Mounting with bracket
left: on a vertical pipe
right: on a wall.
Values in brackets apply to
instruments with a raised cover.
102.5
6
60.3
BA201Y53
Endress+Hauser
Figure 2.10
Mounting with bracket
left: on a vertical pipe
right: on a wall.
Values in brackets apply to
instruments with a raised cover.
11
2 Installation
Cerabar M
2.4 Electrical connection
Transposed, screened two-wire cabling is recommended for the connecting cable.
Max. wire diameter: 2.5 mm2 permanently attached cable
The power supply voltage is:
• Non-Ex: 11.5…45 VDC
• Ex i area: 11.5…30 VDC
Internal protection circuits against reverse polarity, HF interference and overvoltage
peaks (see TI 241F "EMC Guidelines").
A test signal can be measured using the terminal plugs for this purpose without
interrupting measurement.
Cable connection
• Unscrew the cover
• If present, remove the retainer ring with analogue display.
In addition:
– Push up the latch with the arrow until the grip of the
retaining ring is audibly released.
– Loosen the retainer ring carefully to prevent the display cable from breaking.
The plug of the display can remain plugged in.
• Insert the cable through the cable entry
• Connect the cable wires as shown in the connection diagram.
• Where appropriate, replace the retainer ring with analogue display.
The grip of the retainer ring clips in with an audible click.
• Screw down the cover
BA201Y15
Figure 2.11
Lifting off the display and
removing
the retaining ring
To loosen the holder from the electronic
insert, push latch with arrow upwards
upwards.
Observe all local regulations for applications in the EEx i area!
Standard
Figure 2.12
Graph showing load
12
EEx ia IIC T6
BA201Y47
Endress+Hauser
Cerabar M
2 Installation
BA201Y19
Note!
Terminal 3 on the electronic insert is for grounding and is already wired internally. If
the connection cable has a screening or ground cable within it, then this may only be
connected to the grounding terminal of the housing and not to Terminal 3 (see
connecting diagrams).
1 2 3 Test 4…20 mA
+ –
Damping
1
2
+
–
3
on
Zero Span
off
+
–
Display
Always connect the screening or ground cable (if
present) to the internal ground terminal of the
housing, not to Terminal 3.
Plug
Harting plug
Endress+Hauser
Figure 2.13
Connection
Plug assignment
Terminal
Function
Wire colour code
1
2
8
+
–
PE
Blue (BL)
Brown (BN)
Green-Yellow (GNYE)
7
6
8
1
5
2
3
4
Plug M 12x1
Note!
+
–
PE
Red (RD)
Black (BK)
Green (GN)
–
+
13
2 Installation
Connecting
the handheld terminal
Cerabar M
• Do not replace the battery of the handheld terminal in the explosion hazardous area.
• For a Cerabar M with FM or CSA certificate: Electrical connection according to
"Installation drawing" (enclosed in the packing of the Cerabar M).
• For correct transmission of the communication signal, a minimum resistance of
250 Ω must be present between the connection points and the power supply.
Damping
1
2
+
–
3
on
any
device
Zero Span
off
Display
FMD 230:LIC0001
Online
1 >Group Select
2 PV
20 mbar
HELP
FMD 230:LIC0001
Online
1 >Group Select
2 PV
20 mbar
HELP
I
I
Figure 2.14
The handheld terminal can be
connected anywhere along the
4…20 mA line.
Connecting the
Commubox FXA 191 for
operating with
Commuwin II
O
O
4...20 mA
min. 250 Ω
BA201Y48
The Commubox FXA 191 connects the Cerabar M with a HART protocol to the
RS 232 C serial interface of a personal computer. This enables the Cerabar M to be
remotely operated with the Endress+Hauser operating program.
The Commubox FXA 191 is used for intrinsically safe signal circuits.
Damping
1
2
+
–
3
on
Zero Span
off
PC with
Commuwin II
Display
Commubox
FXA 191
minimum
Total resistance
250 Ω
4…20 mA
Figure 2.15
The Commubox can be
connected anywhere along the
4…20 mA line.
14
BA201Y49
Endress+Hauser
Cerabar M
3 Operation
3 Operation
This section describes:
• Mounting the digital display
• Function of the digital display
• Position and function of the operating elements on the electronic insert
• Operating via Commuwin II
• Operating via the universal HART Communicator DXR 275
Contents
3.1 Access to the operating elements
The digital display is delivered already mounted when it is ordered with the
instrument. In this case the digital display with the retaining ring must be removed
before operating.
If you want to order an digital display at a later date, then please observe the
instructions in Section 6.3 "Mounting the digital display".
Lift display for operating
Removing the display:
• Push up the latch with the arrow until the grip of the retaining ring on the electronic
insert is heard to click.
• Loosen the retainer ring and lift off carefully to prevent the display cable from
breaking.
• For reading the display during operation, plug the display onto the edge of the
housing or let it hang down loosely by its cable next to the housing.
BA201Y15
BA201Y24
Damping
To loosen the holder from the electronic insert
push latch with arrow upwards.
Endress+Hauser
1
2
+
–
3
on
Zero Span
off
Display
Lifting off the display with retaining ring for
operation.
Figure 3.1
left:
Loosening the retaining ring
right:
Display with retaining ring for
operation
15
3 Operation
Cerabar M
3.2 Function of the display
The digital display has two types of display:
• Display in measurement mode: This is shown as standard
• Display in calibration mode: This is shown after pressing the Zero or Span key once.
It returns automatically to measurement mode after 2 seconds.
Figure 3.2
Function of the display
Display in measurement mode
➀
Display in measurement mode
➀ 4-character display of
measured values and input
parameters
➁ bargraph of measured value
➂ lower range value
➃ upper range value
➄ nominal measuring range:
0,753
➁
0,753
➂
➃
Display in calibration mode
➅
0…1 bar
Additional displays in
calibration mode
➅ Display of the calibration point
(Z=Zero or S=Span)
➆ sets measuring range within
the limits of the measuring cell
➄
S
Z
0,250
➆
BA201Y17
3.3 Position and function of the operating elements on the
electronic insert
Position of the
operating elements
➀ Damping switch
➁ Key for zero point calibration
Damping
Connection terminals for
measuring the
signal current
1
2
+
–
3
on
Zero Span
off
➂ Key for measuring span
calibration
Display
Figure 3.3
Position of the operating
elements
BA201Y18
Position of the
Operating Elements
No.
Operating element
Function
➀
Damping switch
Switch position "off": Damping 0 s
Switch position "on": Damping 2 s.
This switch position also enables any damping to be entered
between 0…40 s by remote communication e.g. with the
handheld terminal.
➁
Key for calibrating the zero
point
press once:
press twice:
➂
Key for calibrating the
measuring span
press once:
press twice:
Key for calibrating the zero
point and key for calibrating
the measuring point
16
The acting pressure for the zero point is
shown
The acting pressure for the zero point is
adopted
The acting pressure for the measuring span
is shown
The acting pressure for the measuring span
is adopted
press once simultaneously:
The acting pressure is shown as the bias pressure
press twice simultaneously:
The acting pressure is adopted as the bias pressure
Endress+Hauser
Cerabar M
3 Operation
3.4 Operation using Commuwin II
When operating using the Commuwin II display and operating program the Cerabar
M is calibrated and operated:
• via an operating matrix or
• via the graphics operating mode.
The appropriate server (e.g. HART or ZA 672) must be activated. A description of the
Commuwin II operating program is found in the operating manual BA 124F.
The advanced functions of the Cerabar M can be accessed in this operating mode in
the menu.
• Each row is assigned to a function group.
• Every field displays a parameter.
Operating matrix
The calibrating parameters are entered in the appropriate fields.
Figure 3.4
Menu of instrument data in
Commuwin II
In this operating mode the calibration parameters for specific configuration
procedures are entered in the appropriate box.
Graphics operation
Figure 3.5
Menu of instrument data in
Commuwin II
Endress+Hauser
17
3 Operation
Cerabar M
3.5 Operating with the HART protocol via
Universal HART Communicator DXR 271
When operating with the HART protocol an interactive menu operation derived from
the matrix is used (see also the appropriate operating manual for the handheld
terminal).
• The menu "Group Select" calls up the matrix.
• The bar lines display the menu headings.
• Parameters are set using submenus.
PMC 41: LIC0001
Online
1->Wähle Gruppe
2 PV
20 mbar
LC display
with menu text
PMC 41:LIC0001
Online
1 >Group Select
2 PV
20 mbar
HELP
Function keys
HELP
F1
Figure 3.6
left:
Menu operation with the
DXR 275
right:
Universal HART Communicator
DXR 275 handheld terminal
F2
PMC 41: LIC0001
F3
F4
Wähle
Gruppe
1->Grundabgleich
2 Transmitter Information
3 Sensordaten
4 Service
5 Kommunikaton
HOME
PMC 41: LIC0001
F1
F2
F3
F4
Wähle
Gruppe
1->Meßwert
2 Setze 4 mA
3 Setze 20 mA
4 Bestätige 4 mA
autom.
HOME
F1
BA201Y40
F2
F3
Keys for
selecting menu
I
O
Keys for
entering parameters
F4
BA201Y41
Connecting the handheld terminal is described in Section 2, page 12.
The procedure for commissioning the measuring point with the Universal HART
Communicator DXR 275 handheld terminal is described in Section 4 "Pressure
Measurement".
18
Endress+Hauser
Cerabar M
4 Commissioning
4 Commissioning
This section contains the following information:
• On-site commissioning using keys on the electronic insert
• Commissioning and operation using remote communication (Universal HART
Communicator DXR 275 handheld terminal or Commuwin II)
• Locking and unlocking the measuring point
• Information on the measuring point
Contents
4.1 On-site commissioning
Preparatory work
The damping τ affects the speed with which the output signal and the digital display
react to changes in pressure.
A switch on the electronic insert is used for calibrating the damping:
Damping
• Switch position off: Damping 0 s
• Switch position on: Damping 2 s
BA201Y42
• Wire up the Cerabar M (see Sect. 2.4 "Electrical connection")
• Connect a multimeter (4…20 mA) to the connection terminals provided.
• Ensure that a pressure can be generated within the required measuring range.
Damping switch
Damping
1
2
3
on
Zero Span
off
Figure 4.1
Position of the damping switch
Key for calibrating
the zero point
Key for calibrating the
measuring span
BA201Y42
Damping
1
2
3
on
Zero Span
off
Figure 4.2
Position of keys for calibrating
zero point and measuring span
Zero point calibration is carried out using the key for zero point adjustment (Zero).
Carry out the measuring span adjustment as follows:
• Enter exactly the pressure for the lower range value.
• Press the Zero key twice.
The acting pressure is adopted as the zero point.
By pressing the Zero key once the value can be called up if a digital display is
connected.
Zero point adjustment
The measuring span is adjusted using the key for calibrating the measuring span
(Span). Carry out the measuring span adjustment as follows:
• Enter exactly the pressure for the upper range value.
• Press the Span key twice.
The acting pressure for the measuring span is adopted.
By pressing the Span key once the value can be called up if a digital display is
connected.
Adjusting the measuring
span
Endress+Hauser
19
4 Commissioning
Cerabar M
4.2 Commissioning and operation using communication
Preparatory work
• Wire up the Cerabar M (see Sect. 2.4 "Electrical Connection").
• Decide which tool is to operate the Cerabar M and wire it up accordingly. (Function
Commuwin II see Sect. 3.4 , Function Universal HART Communicator DXR 275 see
Sect. 3.5)
Resetting to
factory settings
(Reset)
By entering a code, the entries in the matrix are reset partially or completely to factory
settings. Further information on the various types of reset and their effects are given in
Section 5.3 "Reset".
#
Matrix Moving through
the menus
Entry
Main group: Transmitter information
1
Resetting to factory settings (Reset)
V2H9
e.g. 2380
Enter
The damping τ affects the speed with which the output signal and the digital display
react to changes in pressure.
For setting the damping using the handheld terminal, the damping switch must be set
to "on". Values for damping between 0 and 40 s can be selected using the handheld
terminal.
#
1
Matrix Moving through
the menus
BA201Y42
Damping
➤ Default
values
Entry
Set the damping switch to "on"
Damping switch
Main group: Basic setting
2
Damping
1
Suppressing variations in the measured
value
V0H7
➤ Damping
output
τ =0…40 s
2
3
on
Zero Span
off
e.g. 20 s
Enter
I
100 %
Jump
Output
signal
BA201Y43
63 %
Selecting the pressure
units
0
τ
Time
2τ
3τ
Selecting the pressure units determines in which units the pressure-specific
parameters are to be shown. The pressure units available are given in the table below.
After selecting new pressure units all information on the pressure are converted into
the new units, e.g. 0…1 bar = 0…14.5 psi.
#
Matrix Moving through
the menus
Entry
Main group: Basic setting
1
Selecting pressure units
V0H9
20
➤ Selecting
pressure units
e.g. psi
Enter
Units
Units
mbar
kPa
Units
in H2O
Units
kg / cm2
Torr
bar
MPa
ft H2O
kgf / cm2
mm Hg
in Hg
Pa
mm H2O
psi
atm
hPa
m H2O
g / cm2
lb / ft2
Units
Endress+Hauser
Cerabar M
4 Commissioning
The pressure required for zero point and span is calibrated using the handheld
terminal without entering a reference pressure.
#
Matrix Moving through
the menus
Entry
Damping
Zero Span
Main group: Basic setting
1
Entering known pressure for zero point
V0H1
➤ Setting 4 mA
1
2
+
–
3
on
off
+
–
Enter zero point and
measuring span
Display
e.g. 0 psi
Enter
I
Entering known pressure for span
V0H2
➤ Setting 20 mA
e.g. 14.5 psi
Enter
BA201Y46
2
O
No
reference pressure
A reference pressure is available that corresponds exactly to the zero point and span
required.
#
Matrix Moving through
the menus
Zero Span
Main group: Basic settings
Adopting the acting pressure for the zero
point
2
➤ Confirming
4 mA
automatically
Adopting the acting pressure for the span
V0H4
➤ Confirming
20 mA
automatically
1
2
+
–
3
on
off
+
–
Confirm zero point and
measuring span
Display
e.g. 0 psi
Enter
e.g. 14.5 psi
Enter
I
BA201Y45
V0H3
O
Reference pressure
If the display does not show zero after zero point adjustment (due to position), then
this can be corrected to zero by entering a bias pressure or by adopting the bias
pressure acting (depending on position).
#
Matrix Moving through
the menus
p e=0
➤ Setting
bias pressure
e.g. 5 psi
Enter
p+p Bias
Setting the display to zero
A bias pressure acting (pressure
dependent on position) is adopted as zero
pressure.
V0H6
➤ Confirming
bias pressure
automatically
BA201Y52
alternatively
2
p
p Bias
Setting the display to zero by entering a
known bias pressure (pressure dependent
on position).
V0H5
Enter
The current signal is set to 3.8…20.5 mA as standard when operating correctly.
Selecting the 4 mA level, ensures that a minimum current signal does not fall below 4 mA.
#
Bias adjustment
Entry
Main group: Basic setting
1
Lower and upper range
value: calibration with
reference pressure
Entry
Damping
1
Lower and upper range
value: calibration without
reference pressure
Matrix Moving through
the menus
4 mA level
(current output
min. 4 mA)
Entry
Main group: Sensor data
1
V7H3
➤ Off
Current output
min. 4 mA
Endress+Hauser
e.g. On
Enter
21
4 Commissioning
Output on error
Cerabar M
To indicate an error, an error code is transmitted with the measured value.
At the same time the bargraph in the digital display assumes the value selected by
the operator. The following values can be selected:
• MIN: 3.6 mA
• MAX: 22 mA
• CONTINUE: measurement continued
#
Matrix Moving through
the menus
Entry
I
Main group: Basic settings
1
MAX. 22 mA
Continued measurement
Selecting output on error
V0H8
➤ Selecting
fail-safe
MIN. 3.6 mA
e.g. MAX.
Enter
BA201Y44
t
4.3 Locking/Unlocking operation
After calibrating or entering all parameters, the operation can be locked by entering a
three-figure code other than 130. This blocks all fields and functions except V9H9
"Locking". Locking is released by entering 130.
#
Matrix Moving through
the menus
Entry
Main group: Service
1
Locking operation
V9H9
2
e.g. 131
Enter
Releasing locking
V9H9
22
➤ Locking
➤ Locking
130
Enter
Endress+Hauser
Cerabar M
4 Commissioning
4.4 Information on the measuring point
The following information on the measuring point can be called up with the handheld
terminal:
Matrix field
Display or entry
Measured values
V0H0
Main measured value for pressure
V7H0
Current display: Actual current in mA
V7H8
Sensor pressure (units in V0H9) selectable
V9H7
Actual dampened pressure without bias correction
Sensor data
V7H4
Lower calibration pressure
V7H5
Upper calibration pressure
V7H6
Lower measurement limit of sensor (units in V0H9 selectable)
V7H7
Upper measurement limit of sensor (units in V0H9 selectable)
Information on transmitter
V2H2
8010 = Software number
V2H7
Sensor data No.:
Number of entry in the sensor table (1…10).
Please remove from sensor pass
V2H8
Sensor data value:
Entry in sensor table, contains all sensor-specific data.
Please remove from sensor pass
Error response
V2H0
Actual diagnostic code
V2H1
Last diagnostic code
Matrix field
Display
Communication level
VAH0
Measuring point tag.
The measuring point can be identified here with a max. of 8 characters.
VAH1
Descriptor
A max. of 16 characters can be entered here for the Descriptor.
VAH2
User text
A max. of 8 characters can be entered here.
VAH3
Serial number of the transmitter
VAH3
Serial number of the sensor
Endress+Hauser
23
5 Diagnosis and Troubleshooting
Cerabar M
5 Diagnosis and Troubleshooting
5.1 Diagnosis of errors and warnings
Error
If the Cerabar M identifies an error (E):
• an error code is given and flashes on the digital display,
• when a digital display is plugged in, the bargraph assumes the value selected
for an error message (MIN, MAX, CONTINUE),
• if the value displayed and the bargraph are flashing,
• transmitter information can be read off in the main group or error codes read off in
the matrix fields V2H0 and V2H1.
Warning
If the Cerabar M identifies a warning (W):
• an error code is given: the Cerabar M continues to measure,
• if the digital display is plugged in and the scale is flashing,
• transmitter information can be read off in the main group or error codes read off in
the matrix fields V2H0 and V2H1.
Error codes
in V2H0 and V2H1
If several codes occur simultaneously, the sequence in which they are displayed
corresponds to their order of priority.
Code
Type
Source and remedy
E 101
Error
Sensor Table check sum error
– is shown e.g. when sensor parameters are being entered.
The error message disappears when the sensor parameters are entered
correctly and in full.
E 103
Error
Initialisation is being carried out
– Wait until the procedure has been completed
W 104
Warning
Sensor calibration error (calibration points lie too near each other)
– Recalibrate sensor
E 106
Error
Up/download active
– Wait until the procedure has been completed
E 115
Error
Sensor overpressure
– Remains until the overpressure disappears
E 116
Error
Download error
– Restart download
E 120
Error
Sensor underpressure
– Remains until the underpressure disappears
W 613
Error
Current simulation active
– Remains until the simulation is completed, see also page 26
E 620
Warning
Measured value outside initial value/final value
5.2 Current simulation
If the function or certain reactions to connected evaluation instruments are to be
checked, then a signal current can be simulated independently of the system
pressure.
#
Matrix Moving through
the menus
Entry
Main group: Additional functions
24
1
V7H1
➤ Simulation
ON
2
V7H2
➤ Simulates
current
e.g. 22 mA
Endress+Hauser
Cerabar M
5 Diagnosis and Troubleshooting
5.3 Reset
By entering a specific code, entries to the matrix can be reset either partially or fully.
#
Matrix Moving through
the menus
Entry
Main group: Transmitter Info
1
V2H9
➤ Factory values e.g. 2380
The Cerabar M differentiates between four types of reset with various responses.
Which parameter is affected by which reset is given in the table below.
H0
H1
H2
H3
H4
H5
V0
Sets
4 mA
Sets
20 mA
4 mA
automat.
20 mA
automat.
Sets bias
pressure
5140
2380
731
2509
0.0
0.0
0.0
V7H7
V7H7
V7H7
deleted
deleted
deleted
deleted
0.0
0.0
0.0
V2
Diagnostic code
0
0
0
Current
min. 4 mA
off
off
off
Low and high sensor
calibration
The pressure delivered
by the equation
system is not corrected
5140
2380
2509
731
H6
Bias
pressure
autom.
deleted
H7
H8
H9
Dampens
output
Selects
fail-safe
Pressure
unit
0.0
0.0
0.0
max.
max.
max.
bar
V3…V6
Simulation Simulates
current
off
deleted
V7
5140
2380
2509
731
V8
Locking
130
V9
5140
2380
2509
731
VA
5140
2380
2509
731
Measurement
point
deleted
deleted
Endress+Hauser
Descriptor
deleted
deleted
User
text
Serial
number
deleted
deleted
25
6 Maintenance and Repair
Cerabar M
6 Maintenance and Repair
6.1 Repair
If the Cerabar M is to be sent to Endress+Hauser for repair, then a note should be
enclosed containing the following information.
• An exact description of the application
• The chemical and physical characteristics of the product.
• A brief description of the error.
Before sending in the Cerabar M to Endress+Hauser for repair, please take the
following protective measures:
• Remove all traces of the product.
Thi is particularly important if the product is dangerous to health, e.g. corrosive,
poisonous, carcinogenic, radioactive, etc.
• We do request that no instrument should be returned to us without all dangerous
material being completely removed first as it can, e.g. penetrate into fissures or
diffuse through plastic.
Caution!
Caution!
Instruments with certificates of conformity or design approval must be sent in for
repair as complete units only.
Note!
Note!
More detailed information on maintenance and repair can be found in the Service
Manual SM 005P/00/en which is available on request.
6.2 Replacement parts
The diagram below shows all replacement parts together with their order numbers
which can be ordered from Endress+Hauser.
When ordering replacement parts, please note the following:
• If parts given in the order code are to be replaced, then ensure that the order code
(instrument designation) on the nameplate is still valid.
• If the instrument designation on the nameplate has changed, then a modified
nameplate must also be ordered. The information about the new instrument must
then be entered on the modified nameplate. This must then be attached to the
housing of the Cerabar M.
• If a new sensor is ordered as a spare part, it is usually supplied as the complete
mounted device with housing and process connection, but without the electronic
insert.
• Only the process connection on the PMC 41 can be exchanged by the customer.
For all other versions, the process connection ordered is supplied with the complete
housing, but without the electronic insert.
• It is not possible to convert a standard instrument into an Ex instrument by replacing
its parts. The appropriate regulations are to be observed when certified instruments
are to be repaired.
26
Endress+Hauser
Cerabar M
6 Maintenance and Repair
Spare parts
lid with window (Ex i)
943301-1000
or
lid with plastic window (PC)
52001403
lid
52002468
Display module
52002644
Smart
Analogue 52002645
complete with mount
self-cutting screw
3 x 10
(supplied)
electronic insert:
Analog 52002022
HART 52001997
HART 52001998 programmed with sensordata
(when ordering quote serial number
on housing)
Replaceable process connection PMC 41
Vers. Threaded connection
1M G ½ male
1T M 20x1.5 male
1N ½ NPT male, ¼ NPT female
1A ½ NPT male, 11.4 mm female
1K PT ½ male
1R G ½ male, 11.4 mm female
1P G ½ male, G ¼ female
1S PF ½ male
G ½ male, Hastelloy
½ NPT male, ¼ NPT female, Hast.
Order No.
943320-1014
943320-1024
943320-1034
943320-1044
943320-1054
943320-1064
943320-1074
943320-1094
52000604
52000603
Angle disc for wall mounting
complete with
3 allen screws M5 x 12
52002632
Endress+Hauser
Cable entries
Order No.
A1
C1
E1
G1
52002450
52002448
52002449
52002447
Pg 13,5
½ NPT
M20 x 1.5
G½
O-ring 26.7 x 1.78
NBR, oxygen
NBR
CR
EPDM
Kalrez
FPM
NBR, gas
Order No.
010561-0000
010561-0001
010561-0002
010561-0003
010561-0006
010561-1000
010561-3001
disc complete with
3 allen screws M5 x 12
52002631
27
6 Maintenance and Repair
Cerabar M
6.3 Mounting the digital display
The digital display is delivered already mounted when it is ordered with the
instrument. In cases of damage, accessories can be ordered.
Removing the display
• Push up the latch with the arrow until the grip of the retaining ring on the electronic
insert is heard to click.
• Loosen the retainer ring and lift off carefully to prevent the display cable from
breaking.
• Remove the plug of the display from the electronic insert.
BA201Y50
BA201Y15
Damping
Figure 6.1
left:
Loosening the retaining ring
right:
Removing the display
Mounting the display
To loosen the holder from the electronic insert
push latch with arrow upwards.
1
2
+
–
3
on
Zero Span
off
Display
Lifting off the display and removing the display
• Insert the plug of the display in the jack in the electronic insert provided for this
purpose and clip in ➀.
• Insert the pin on the retaining ring into the hole in the electronic insert provided for
this purpose ➁.
• Firmly press down the retaining ring with the display onto the electronic insert. The
stop makes an audible click.
BA201Y25
Damping
1
2
3
on
Zero
off
➀
+
–
BA201Y26
➁
Display
Figure 6.2
Mounting the display
28
Endress+Hauser
Cerabar M
6 Maintenance and Repair
6.4 Changing the electronic insert
• If the existing Smart electronic insert is to be replaced with another Smart electronic
insert, then it can be ordered under the following order No.:
– 52001998: Electronics for Cerabar M, 4…20 mA, HART protocol,
with sensor parameters
When ordering with this order No., please state
the sensor number of the instrument (given on the nameplate).
Your electronic insert is then reset in the factory to your sensor
parameters
– 52001997: Electronics for Cerabar M, 4…20 mA, HART protocol,
without sensor parameters
When ordering with this order No. the electronic insert is programmed with
a default set of data, i.e. the instrument will function, but with less accuracy.
In order to restore the defined accuracy, the new sensor
parameters should be re-entered after exchanging the
electronic insert. All information on this is given in subsection "Entering sensor
parameters" in this section.
After replacing the electronic insert the instrument must be recalibrated.
Information on adjustment is given in Section 4 "Pressure measurement".
• If the existing Smart electronic insert is to be replaced with an analogue electronic
insert, then the information contained in BA 200P, supplied with the analogue
electronic insert, applies.
• Where appropriate, loosen the retaining ring and lift off and remove the plug of the
display from the electronic insert.
• Remove the cable from the electronic insert.
• Loosen screws ➀ and ➁ on the electronic insert.
• Lift out the electronic insert.
Removing the
electronic insert
➁
Damping
Zero Span
1
2
+
–
3
on
off
+
–
Display
➀
BA201Y51
• Plug in the new electronic insert and tighten screws ➀ and ➁.
Figure 6.3
Position of screws ➀ and ➁ for
removing the electronic insert
Mounting the
electronic insert
• Connect the connecting cable as shown in connection diagram in Section 2.4
"Electrical connection".
• Carry out a calibration as shown in Section 4 "Pressure measurement".
• Where appropriate, mount the display.
Endress+Hauser
29
6 Maintenance and Repair
Cerabar M
A sensor pass showing the sensor parameters is included with every instrument.
These must be changed if the electronic insert is replaced.
The following eleven pairs of values must be entered in matrix fields V2H7 and V2H8.
Entering sensor
parameters
V2H7
Sensor data No.
V2H8
Sensor data value
01
Word 16 sensor check sum
02
HI Word 16 sensor serial number
02
LO Word 16 sensor serial number
04
HI Word 16 lower measurement limit
05
LO Word 16 lower measurement limit
06
HI Word 16 upper measurement limit
07
LO Word 16 upper measurement limit
08
HI Word 16 sensor coefficient A0
09
LO Word 16 sensor coefficient A0
10
HI Word 16 sensor coefficient A1
11
LO Word 16 sensor coefficient A1
After entering the sensor parameters, the matrix fields V2H7 and V2H8 are released
by the code 333. All other matrix fields are then blocked against unauthorised
operation.
Carry out the entry procedure as follows:
#
Matrix Moving through
the menus
Entry
Main group: Service
1
Locking operation
V9H9
➤ Locking
333
Main group: Transmitter information
2
Enter sensor parameters
V2H7
➤ Enter sensor
data No.
01
V2H8
➤ Enter sensor
check sum
e.g. 47769
V2H7
➤ Enter sensor
data No.
02
Enter all other pairs of values
V2H7
➤ Enter sensor
data No.
V2H8
➤ Enter sensor
coefficient A1
11
e.g. 48112
Main group: Service
3
Unlocking operation
V9H9
Note!
30
➤ Unlocking
e.g. 130
Note!
When entering the sensor parameters, the error code E101 "Sensor table check sum
error" is shown. The error message disappears when all sensor parameters are
entered correctly.
Endress+Hauser
Cerabar M
6 Maintenance and Repair
6.5 Changing the measuring cell
If the measuring cell is to be changed then Endress+Hauser offers a complete
housing with the new measuring cell and process connection required but without an
electronic insert. Therefore, when changing the measuring cell, simply remove the
electronic insert from the old housing and install it in the new one. After changing the
measuring cell, the sensor parameters of the new measuring cell and the Cerabar M
must be recalibrated.
• Ordering a housing with measuring cell and process connection:
PM* 4* – ❐ ❐❐ ❐❐ ❐ W ❐ ❐❐ ❐ ❐
• For instructions on mounting the electronic insert and for entering sensor
parameters see Sect. 6.4. "Replacing the electronic insert"
• For instructions on calibration see Section 4 "Pressure Measurement".
6.6 Changing the gasket
The gasket in contact with the medium and inside the process connection of the
Cerabar M PMC 41 can be replaced. Except for the PTFE gasket (Structure D), all
gaskets can thus be interchanged as required. The different temperature limits should
therefore be observed for individual materials.
Gasket
Temperature limits
1
FPM, Viton
–20°C* (–4°F)
6
FPM, Viton grease-free
–10°C* (+14°F)
A
FPM, Viton oil and grease-free for oxygen
–10°C…+60°C (+14°F…+140°F)
8
NBR (DVGW)
–20°C…+80°C (–4°F…–176°F)
2
NBR
–20°C* (–4°F)
7
FFKM, Kalrez compound 4079
+5°C* (+41°F)
4
EPDM
–40°C* (–40°F)
Changing the gasket
• Loosen the screws on the retaining ring
of the process connection.
• Remove the retaining ring and process
connection.
• Replace gasket.
The surfaces each side of the gasket
and the gasket itself must be free from
fibres and dirt.
• Secure the process connection with the
retaining ring and screws
* Upper temperature limit
according to specifications of
standard instrument
BA201Y54
Gasket
Replaceable
process
connection
Holding ring
with screws
Endress+Hauser
31
7 Technical Data
Cerabar M
7 Technical Data
General information
Application
Operation and system design
Input
Manufacturer
Endress+Hauser
Instrument
Pressure transmitter
Designation
PMC 41, PMP 41, PMC 45, PMP 45, PMP 46, PMP 48
Technical documentation
Version
Technical data
BA 201P/00/en
05.99
DIN 19 259
Measurement of absolute and gauge pressure in gases, vapours, liquids
Measuring principle
PMC 41, PMC 45 with ceramic sensor
The pressure causes a slight deflection of the
ceramic diaphragm of the sensor. The change in the
capacitance is proportional to the pressure and is
measured by the electrodes of the ceramic sensor.
Volume of chamber: approx. 2 mm3 (0.078 in3)
PMP 41, PMP 45, PMP 46, PMP 48
with metal sensor
The process pressure acting on the metallic
separating diaphragm of the sensor is transmitted
via a filling fluid to a resistance bridge. The change
in the output voltage of the bridge is proportional to
the pressure and is then measured.
Volume of chamber: smaller than 1 mm3 (0.039 in3)
Measuring system
Cerabar M and power supply e.g. via
RN 221 transmitter power pack and operation via
– two keys on the instrument and a plug-in display
module
– DXR 275 handheld terminal
– PC with the Commuwin II operating program via
Commubox FXA 191
Construction
Standard SS housing,
for process connections see page 36
Signal transmission
4…20 mA signal with superposed HART
communications signal, 2-wire
Measured variables
Absolute or gauge pressure
Measuring ranges
PMC 41, PMC 45
Type of
pressure
Conversion factors
1 bar = 14.5 psi
1 psi = 0.069 bar
32
PMP 41, PMP 45, PMP 46, PMP 48
Measurement
limits
Min.
span
(TD 10:1)
Overload
bar
bar
bar
Type of
pressure
Measurement
limits
Min.
span
(TD 10:1)
Overload
bar
bar
bar
gauge
0…0.1
0.01
4
gauge
0…1
0.1
4
gauge
0…0.4
0.04
7
gauge
0…4
0.4
16
gauge
0…1
0,1
10
gauge
0…10
1
40
gauge
0…4
0.4
25
gauge
0…40
4
160
gauge
0…10
1
40
gauge
0…100
10
400
gauge
0…40
4
60
gauge
0…400
40
600
gauge
–0.1…0.1
0.02
4
gauge
–1…+1
0.2
4
gauge
–0.4…0.4
0.08
7
gauge
–1…+4
0.5
16
gauge
–1…+1
0.2
10
gauge
–1…+10
1.0
40
gauge
–1…+10
0.5
40
absolute
0…0.4
0.04
7
absolute
0…1
0.1
4
absolute
0…1
0.1
10
absolute
0…4
0.4
16
absolute
0…4
0.4
25
absolute
0…10
1
40
absolute
0…10
1
40
absolute
0…40
4
160
absolute
0…40
4
60
absolute
0…100
10
400
absolute
0…400
40
600
Endress+Hauser
Cerabar M
7 Technical Data
Resistance to low pressures
Output
Calibration range (turndown)
TD 10:1
Zero point increase and decrease
within measurement limits
Output signal
digital 4…20 mA signal with superposed
communications signal with HART protocol
Signal on alarm
optional 3.6 mA, 22 mA or CONTINUE (instrument
continues measuring)
Damping
Accuracy
PMC for sensors with nominal value 0.1 bar: to 0.7
barabsolute; for all other sensors: to 0 barabsolute
PMP to 10 mbarabsolute
Local: Depending on switch position: off: 0 s; on: 2 s
Remote: in switch position "on" freely adjustable between 0
and 40 s
Reference conditions
DIN IEC 770 TU=25°C (+77°F)
Linearity including hysteresis and reproducibility PMC: ±0.2% of set span
(based on the limit point method to
PMP. ±0.3% of set span
DIN IEC 770)
Process conditions
Linearity at low absolute pressure ranges
(due to performance limits of currently available
DKD calibration rigs)
Absolute: for ≥40 mbar to <100 mbar: ±0.3% of set
span
Warm-up time
1s
Rise time
220 ms
Response time
600 ms
Long-term drift
0.1% (FS) per year
Thermal effects
with reference to the set span
TD = nominal value/set span
for –10…+60°C (+14…+140°F): ±(0.3% x TD+0.3%)
for –40…–10°C (–40…+14°F); +60…+85°C
(+140…+185°F): ±(0.5% x TD+0.5%)
Temperature coefficient (maximum TK)
(But not exceeding the error due to thermal
effects.)
for zero signal and span:
for –10°C…+60°C (+14°F…+140°F): ±0.15% of
nominal value/10 K
for –40°C…–10°C (–40°F…+14°F); +60°C…+85°C
(+140°F…+185°F): ±0.2% of nominal value/10 K
Vibration effects
None (4 mm in path peak-to-peak 5 Hz…15 Hz,
2 g: 15 Hz…150 Hz, 1 g: 150 Hz…2000 Hz)
Mounting conditions
Any position
Ambient conditions
Endress+Hauser
Ambient temperature
–40…+85°C (–40…+185°F)
Ambient temperature range (short-term)
–40…+100°C (–40…+257°F)
Storage temperature
–40…+85°C (–40…+185°F)
Climatic class
4K4H to DIN EN 60721-3
Protection
IP 66/Nema 4X with cable gland
IP 68 (1 m water over 24 h) or Nema 6P (1.8 m water
over 30 min.) with assembled cable with reference air
feed
Electromagnetic compatibility
Interference emission to EN 50081-1,
Interference immunity to EN 50082-2 and NAMUR
industrial standard, with 10 V/m
Use screened transposed two-wire cabling.
33
7 Technical Data
Cerabar M
Process conditions
Mechanical construction
Process temperature
PMC/PMP 41: –40…+85°C (–40…+185°F)
PMC/PMP 45: –40…+125°C (–40…+257°F)
PMP 46/48: –40…85°C (–40…+185°F)
Material temperature
Cleaning temperature for Cerabar M flush-mounted
+150°C (+302°F) up to 60 minutes
Diaphragm seal with temperature spacer and
high-temperature oil max. 350°C (+662°F)
Process pressure
corresponds to permissible overload
Design
Housing
– Type F 15
Optional electrical connection
– M 20 x 1.5 cable gland
– Cable entry Pg 13.5, G ½, ½ NPT,
– Harting plug, M 12 x 1 plug
– permanently attached cable with reference air feed
Process connections
All common thread versions, flush-mounted connections
and diaphragm seals
Materials
Gasket
Lower
temperature
limit
Housing
– SS 1.4301(SS 304)
– Housing cover seal: silicone
1
FPM, Viton
–20°C (–4°F)
Nameplate
6
FPM, Viton
grease-free
–10°C (+14°F)
Process connections
A
FPM, Viton
oil and
grease-free
for oxygen
–10°C…+60°C
(+14°F…
+140°F)
Process diaphragm
8
NBR
(DVGW)
–20°C…+80°C
(–4°F…+176°F)
2
NBR
–20°C
(–4°F)
7
FFKM,
Kalrez
Compound
4079
+5°C (+41°F)
EPDM
–40°C (–40°F)
4
Engraved on housing with laser
PMP 41 – 1.4435 (SS 316L), adapter 1.4435 (SS 316L)
PMC 41 – 1.4435 (SS 316L), Hastelloy 2.4819 (C 276)
PMP 45, PMC 45, PMP 46, PMP 48 – 1.4435 (SS 316L)
PMC 41, PMC 45 – Al2O3 aluminium oxide ceramic
PMP 41, PMP 45, PMP 46 – 1.4435 (SS 316L)
PMP 48 – Hastelloy 2.4819 (C 276), tantalum,
PTFE film on 1.4435 (SS 316L)
Seals
FPM Viton, FPM Viton grease-free, FPM Viton oil and
grease-free for oxygen, EPDM, Kalrez, NBR, DVGW
version with NBR seal
Mounting accessories
Bracket for pipe and wall mounting 1.4301 (SS 304)
Filling fluid in diaphragm seals
Silicone oil, vegetable oil, glycerine,
high-temperature oil, FLUOROLUBE grease-free for
oxygen
Measuring cell
Oil filling
PMC 41, PMC 45 – None, dry cell sensor
PMP 41, PMP 45, PMP 46, PMP 48 – optional silicone oil or inert oil (Voltalef) for
oxygen
Display and operating interface
Display
Plug-in display module with four-character pressure
display and bargraph of current with 28 segments
Power supply
Supply voltage
Non-Ex area: 11.5…45 VDC
Ex area: 11.5…30 VDC
Overvoltage category
II to DIN EN 61 010-1
Ripple
HART max. ripple (measured on 500 Ω)
47…125 Hz: UPP=200 mV
max. noise (measured on 500 Ω)
500 Hz…10 kHz: Ueff=2.2 mV
Ignition protection
see "Safety Instructions" page 4
CE Mark
By attaching the CE Mark, Endress+Hauser confirms
that the instrument fulfils all the requirements of the
relevant EC directives.
Certificates and approvals
34
Endress+Hauser
Cerabar M
7 Technical Data
7.1 Dimensions
PMC 41
Thread (for detailed information see TI 321P)
A
– G ½ external
– G ½ external, G ¼ internal
– G ½ external, 11.4 mm internal
– ½ NPT external, ¼ NPT internal
– ½ NPT external, Ø 11.4 mm internal
– PF ½ external
– PT ½ external
– M 20x1.5 external
Max. height
155.0 mm
155.0 mm
155.0 mm
155.0 mm
155.0 mm
155.0 mm
155.0 mm
155.0 mm
Dimensions
1 mm = 0.039 in
1 in = 25.4 mm
Thread flush-mounted or with internal adapter (for detailed information see TI 321P)
Diaphragm flush-mounted:
– G ½ external
– G ½ external with O-ring for welded nozzle
Max. height
162.0 mm
162.0 mm
Diaphragm flush-mounted:
– G ½ external
– ½ NPT external
– ½ NPT internal
– PF ½ external
– PT ½ external
– M 20x1.5 external
197.5 mm
197.5 mm
184.5 mm
195.5 mm
197.5 mm
197.5 mm
A
A
PMP 41
PMC 45
Sanitary connections
Threaded bosses
Flanges
A
(For detailed information see TI 321P)
PMC 45
– Triclamp 2"
– SMS 1½"
– SMS 2"
– DIN 11851
DN 40, PN 40
– DIN 11851
DN 50, PN 40
– Varivent,
D=68 mm
– DRD flange
D=65 mm
Max. height
172.5 mm
172.5 mm
172.5 mm
172.5 mm
– G 1½
–G2
– 1½ NPT
– 2 NPT
– M 44x1.25
Max. height
172.5 mm
173.5 mm
172.5 mm
173.5 mm
172.5 mm
172.5 mm
172.5 mm
172.5 mm
172.5 mm
ANSI B16.5 with sealing strip
– 1½"
172.5 mm
– 2"
172.5 mm
– 3"
172.5 mm
– 4"
172.5 mm
JIS B 2210
– JIS 10K 50A RF
172.5 mm
Sanitary connections
Max. height
DIN 2527
– DN 50, PN 40
– DN 80, PN 40
172.5 mm
Threaded bosses
A
(For detailed information see TI 321P)
Endress+Hauser
– Miniclamp
DN 20, PN 40
– Triclamp 1"
– DIN 11851
DN 25, PN 40
– Varivent
D= 50 mm
Max. height
166.0 mm
166.0 mm
166.0 mm
– ¾ NPT external
– G 1 external with
metal plug for
welded nozzle
Max. height
166.0 mm
166.0 mm
166.0 mm
35
7 Technical Data
Cerabar M
Diaphragm and pipe diaphragm seals for hygienic connections
(for detailed information see TI 322P)
A
A
PMP 46
36
Diaphragm seal
– DIN 11851 DN 32, PN 40
– DIN 11851 DN 40, PN 40
– DIN 11851 DN 50, PN 40
– Triclamp 1½"
– Triclamp 2"
– Triclamp 3"
– SMS 1½"
– SMS 2"
– RJT 1½"
– RJT 2"
– ISS 1½"
– ISS 2"
– DRD flange D= 65 mm
– Varivent D=68 mm
Max. Height
251.5 mm
250.5 mm
245.5 mm
234.5 mm
242.5 mm
242.5 mm
254.5 mm
259.5 mm
257.0 mm
258.0 mm
267.5 mm
267.5 mm
258.5 mm
252.5 mm
Pipe diaphragm seal
– DIN 11851 DN 25, PN 40
– DIN 11851 DN 40, PN 40
– DIN 11851 DN 50, PN 40
– Triclamp ¾", PN 40
– Triclamp 1", PN 40
– Triclamp 1½", PN 40
– Triclamp 2", PN 40
273.5 mm
283.5 mm
288.5 mm
220.0 mm
220.0 mm
257.0 mm
268.0 mm
Dimensions
1 mm = 0.039 in
1 in = 25.4 mm
Endress+Hauser
Cerabar M
7 Technical Data
Diaphragm seal, flange (for detailed information see TI 322P)
A
PMP 48
Threaded boss
– G 1½, DIN ISO 228/1, from 0.4 bar span
– G 2, DIN ISO 228/1, from 0.1 bar span
– 1½ NPT, ANSI B 1.201, from 0.4 bar span
– 2 NPT, ANSI B 1.201, from 0.1 bar span
– Spacer with G ½, EN 16 288, Form 6kt
– Spacer with ½ NPT, ANSI B 1.201
Max.height
232.5 mm
237.5 mm
233.5 mm
233.5 mm
237.5 mm
237.5 mm
Flanges, dimensions to DIN 2527
– DN 25, PN 64/160
– DN 25, PN 250
– DN 25, PN 400
– DN 50, PN 10/40
– DN 50, PN 64
– DN 50, PN 100/160
– DN 50, PN 250
– DN 50, PN 400
– DN 80, PN 10/40
255.0 mm
255.0 mm
255.0 mm
255.0 mm
261.0 mm
265.0 mm
273.0 mm
287.0 mm
259.0 mm
Dimensions
1 mm = 0.039 in
1 in = 25.4 mm
A
A
Flanges with extension, dimensions to DIN 2527
– DN 50, PN 10/40, Extension 50 mm
255.0 mm
– DN 80, PN 10/40, Extension 50 mm
259.0 mm
– DN 50, PN 10/40, Extension 100 mm
255.0 mm
– DN 80, PN 10/40, Extension 100 mm
259.0 mm
– DN 50, PN 10/40, Extension 200 mm
255.0 mm
– DN 80, PN 10/40, Extension 200 mm
259.0 mm
Flanges, dimensions to ANSI B16.5 with sealing strip Form RF
– 1", 400/600 lbs
250.5 mm
– 1", 900/1500 lbs
254.5 mm
– 1", 2500 lbs
254.5 mm
– 2", 150 lbs
254.5 mm
– 2", 300 lbs
257,5 mm
– 2", 400/600 lbs
267.0 mm
– 2", 900/1500 lbs
280.0 mm
– 2", 2500 lbs
295.0 mm
– 3", 150 lbs
254.5 mm
– 3", 300 lbs
259.0 mm
– 4", 150 lbs
259.0 mm
– 4", 300 lbs
262.5 mm
A
Flanges with extension, dimensions to ANSI 16.5
– 2", 150 lbs, extension 2"
254.5 mm
– 3", 150 lbs, extension 2"
254.5 mm
– 4", 150 lbs, extension 2"
254.5 mm
– 2", 150 lbs, extension 4"
254.5 mm
– 3", 150 lbs, extension 4"
254.5 mm
– 4", 150 lbs, extension 4"
254.5 mm
– 2", 150 lbs, extension 6"
254.5 mm
– 3", 150 lbs, extension 6"
254.5 mm
– 4", 150 lbs, extension 6"
254.5 mm
Endress+Hauser
37
8 Operating Matrix
Cerabar M
8 Operating Matrix
H0
V0
Basic
calibration
Measured
value
H1
H2
Sets
4 mA
Sets
20 mA
H3
Confirms
4 mA
autom.
H4
Confirms
20 mA
autom.
H5
Sets
bias
pressure
H6
Confirms
bias
pressure
autom.
H7
Dampens
output
0...40 s
H8
H9
Selects
fail-safe
MIN.
MAX.
CONTINUE
Selects
pressure
units
V1
V2
Diagnostic
Transmitter
information code
Last
diagnostic
code
8010
Software
No.
Off
Simulation
Simulates
current
Sensor
data No.
Sensor
data value
Upper
measurem
ent limit
Sensor
pressure
Reset
»731«
»2380«
V3…V6
V7
Sensor
data
Current
display
Off
Current
output
min. 4 mA
Low
sensor
calibration
High
sensor
calibration
Lower
measurem
ent limit
V8
V9
Service
VA
Communication
Locking:
≠ 130
Unlocking: 130
Release
V2H7,
V2H8: 333
Pressure
before
biascorrection
Measurement
point
Descriptor
User text
Serial
number
Serial
number
of sensor
Display field
This matrix gives a summary of factory settings.
Your own values can also be entered here.
H0
V0
—
H1
H2
0.0
V7H7
0
xxxx
OFF
—
H3
H4
—
—
H5
0.0
H6
—
H7
0.0
H8
MAX.
H9
bar
V1
V2
0
V3…V6
V7
—
OFF
—
—
—
0
V8
V9
VA
38
—
--------
130
--------
Endress+Hauser
Cerabar M
Index
Index
!
4 mA level
. . . . . . . . . . . . . . . .
21
Adjusting the measuring span . . . . . . . .
Application . . . . . . . . . . . . . . . .
19
6
A
Mounting . . . . .
Mounting accessories
Mounting bracket .
Mounting instructions
Mounting the display
.
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. 4
. 11
. 11
. 7
. 28
N
B
Bias adjustment . . . . . . . . . . . . . .
21
Notes on safety
. . . . . . . . . . . . . .
4
O
C
Calibration . . .
Capillary tubing .
Ceramic sensor .
Commissioning .
Commuwin II . .
Current simulation
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21
10
6
4
17
24
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19-20
. 24
. 28
. 35
. 16
D
Damping . .
Diagnosis .
Digital display
Dimensions .
Display . .
.
.
.
.
.
.
.
.
.
.
E
Electrical connection . . . . . . . . .
Connecting the Commubox FXA 191 for
operating with Commuwin
. . . . .
Connecting the handheld terminal . . .
Electrical symbols . . . . . . . . . .
Electronic insert . . . . . . . . . . .
Error . . . . . . . . . . . . . . .
Error codes . . . . . . . . . . . . .
Explosion-hazardous area . . . . . . .
. . .
12
.
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14
14
5
29
24
24
4
Gasket . . . . . . . . . . . . . . . . . .
Graphics operation . . . . . . . . . . . . .
31
17
.
.
.
.
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.
.
G
H
HART protocol . . . . . . . . . . . . . . .
18
On-site commissioning
Operating . . . . .
Operating elements . .
Operating matrix . . .
Operating principle . .
Output on error . . .
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. . 19
. . 15
. 15-16
17, 38
. . 6
. . 22
P
Pressure unit
. . . . . . . . . . . . . . . 20
R
Reference pressure . . . . . . .
Removing the display . . . . . .
Repair . . . . . . . . . . . .
Replacement parts . . . . . . .
Reset . . . . . . . . . . . .
Resetting to factory settings (Reset)
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21
28
26
26
25
20
S
Sensor parameters . . . . . . . . . . . . . 30
Short operating instructions . . . . . . . . . 2
Software history . . . . . . . . . . . . . . 2
T
Technical data . . . . . . . . . . . . . . 32-37
Temperature spacer . . . . . . . . . . . . 10
Type of protection . . . . . . . . . . . . . 5
U
. . . . . .
23
Universal HART Communicator DXR 271 . . . . 18
Unlocking . . . . . . . . . . . . . . . . 22
Usage . . . . . . . . . . . . . . . . . . 4
. . . . . . . . . . . . . . . . .
22
W
I
Information on the measuring point
L
Locking
Warning
M
Measuring cell . . . . . . . . . . . . . .
Measuring system . . . . . . . . . . . . .
Metal sensor . . . . . . . . . . . . . . .
Endress+Hauser
31
6
6
. . . . . . . . . . . . . . . . . 24
Z
Zero point adjustment . . . . . . . . . . . . 19
39
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Oussama S.A.
Casablanca
Tel. (02) 24 13 38, Fax (02) 40 26 57
Nigeria
J F Technical Invest. Nig. Ltd.
Lagos
Tel. (1) 62 23 45 46, Fax (1) 62 23 45 48
South Africa
❑ Endress+Hauser Pty. Ltd.
Sandton
Tel. (0 11) 4 44 13 86, Fax (0 11) 4 44 19 77
Tunisia
Controle, Maintenance et Regulation
Tunis
Tel. (01) 79 30 77, Fax (01) 78 85 95
America
Guatemala
ACISA Automatizacion Y Control Industrial S.A.
Ciudad de Guatemala, C.A.
Tel. (02) 34 59 85, Fax (02) 32 74 31
Mexico
❑ Endress+Hauser I.I.
Mexico City
Tel. (5) 5 68 96 58, Fax (5) 5 68 41 83
South Korea
❑ Endress+Hauser (Korea) Co., Ltd.
Seoul
Tel. (02) 6 58 72 00, Fax (02) 6 59 28 38
Taiwan
Kingjarl Corporation
Taipei R.O.C.
Tel. (02) 7 18 39 38, Fax (02) 7 13 41 90
Thailand
❑ Endress+Hauser Ltd.
Bangkok
Tel. (2) 9 96 78 11-20, Fax (2) 9 96 78 10
Vietnam
Tan Viet Bao Co. Ltd.
Ho Chi Minh City
Tel. (08) 8 33 52 25, Fax (08) 8 33 52 27
Iran
Telephone Technical Services Co. Ltd.
Tehran
Tel. (0 21) 8 74 67 50, Fax(0 21) 8 73 72 95
Paraguay
Incoel S.R.L.
Asuncion
Tel. (0 21) 21 39 89, Fax (0 21) 2 65 83
Israel
Instrumetrics Industrial Control Ltd.
Tel-Aviv
Tel. (03) 6 48 02 05, Fax (03) 6 47 19 92
Uruguay
Circular S.A.
Montevideo
Tel. (02) 92 57 85, Fax (02) 92 91 51
Jordan
A.P. Parpas Engineering S.A.
Amman
Tel. (06) 5 53 92 83, Fax (06) 5 53 92 05
USA
❑ Endress+Hauser Inc.
Greenwood, Indiana
Tel. (3 17) 5 35-71 38, Fax (3 17) 5 35-14 89
Venezuela
H. Z. Instrumentos C.A.
Caracas
Tel. (02) 9 79 88 13, Fax (02) 9 79 96 08
Asia
China
❑ Endress+Hauser Shanghai
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Tel. (0 21) 64 64 67 00, Fax (0 21) 64 74 78 60
❑ Endress+Hauser Beijing Office
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Kingdom of Saudi Arabia
Anasia
Jeddah
Tel. (02) 6 71 00 14, Fax (02) 6 72 59 29
Kuwait
Kuwait Maritime & Mercantile Co. K.S.C.
Safat
Tel. 2 43 47 52, Fax 2 44 14 86
Lebanon
Nabil Ibrahim
Jbeil
Tel. (3) 25 40 51, Fax (9) 94 40 80
Sultanate of Oman
Mustafa & Jawad Sience & Industry Co.
L.L.C.
Ruwi
Tel. 60 20 09, Fax 60 70 66
United Arab Emirates
Descon Trading EST.
Dubai
Tel. (04) 35 95 22, Fax (04) 35 96 17
Hong Kong
❑ Endress+Hauser (H.K.) Ltd.
Hong Kong
Tel. 25 28 31 20, Fax 28 65 41 71
India
❑ Endress+Hauser India Branch Office
Mumbai
Tel. (0 22) 6 04 55 78, Fax (0 22) 6 04 02 11
Yemen
Yemen Company for Ghee and Soap Industry
Taiz
Tel. (04) 23 06 64, Fax (04) 21 23 38
Indonesia
PT Grama Bazita
Jakarta
Tel. (21) 7 97 50 83, Fax (21) 7 97 50 89
Australia + New Zealand
Japan
❑ Sakura Endress Co., Ltd.
Tokyo
Tel. (04 22) 54 06 11, Fax (04 22) 55 02 75
Australia
GEC Alsthom LTD.
Sydney
Tel. (02) 96 45 07 77, Fax (02) 97 43 70 35
Malaysia
❑ Endress+Hauser (M) Sdn. Bhd.
Petaling Jaya, Selangor Darul Ehsan
Tel. (03) 7 33 48 48, Fax (03) 7 33 88 00
New Zealand
EMC Industrial Instrumentation
Auckland
Tel. (09) 4 44 92 29, Fax (09) 4 44 11 45
All other countries
Latvia
Raita Ltd.
Riga
Tel. (02) 25 47 95, Fax (02) 7 25 89 33
Argentina
❑ Endress+Hauser Argentina S.A.
Buenos Aires
Tel. (01) 5 23 80 08, Fax (01) 5 22 05 46
Pakistan
Speedy Automation
Karachi
Tel. (0 21) 7 72 29 53, Fax (0 21) 7 73 68 84
Lithuania
Agava Ltd.
Kaunas
Tel. (07) 20 24 10, Fax (07) 20 74 14
Bolivia
Tritec S.R.L.
Cochabamba
Tel. (0 42) 5 69 93, Fax (0 42) 5 09 81
Papua-Neuguinea
SBS Electrical Pty Limited
Port Moresby
Tel. 53 25 11 88, Fax 53 25 95 56
❑ Endress+Hauser GmbH+Co.
Instruments International
D-Weil am Rhein
Germany
Tel. (0 76 21) 9 75-02, Fax (0 76 21) 97 53 45
http://www.endress.com
Endress + Hauser
❑ Members of the Endress+Hauser group
BA 201P/00/en/05.99
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