These Operating Instructions contain all the information that is required in various phases
of the life cycle of the device: from product identification, incoming acceptance and
storage, to mounting, connection, operation and commissioning through to
troubleshooting, maintenance and disposal.
1.2 Symbols
1.2.1 Safety symbols
SymbolMeaning
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will
result in serious or fatal injury.
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in serious or fatal injury.
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in minor or medium injury.
NOTE!
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
SymbolMeaning
Direct current
Alternating current
Direct current and alternating current
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a
grounding system.
Protective ground connection
A terminal which must be connected to ground prior to establishing any other
connections.
Equipotential connection
A connection that has to be connected to the plant grounding system: This may be a
potential equalization line or a star grounding system depending on national or
company codes of practice.
4Endress+Hauser
Tankside Monitor NRF81About this document
A
1.
1.
1.2.3 Tool symbols
SymbolMeaning
Torx screwdriver
A0013442
Flat blade screwdriver
A0011220
Cross-head screwdriver
A0011219
Allen key
A0011221
Hexagon wrench
A0011222
1.2.4 Symbols for certain types of information
SymbolMeaning
Permitted
Procedures, processes or actions that are permitted.
Preferred
Procedures, processes or actions that are preferred.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information.
Reference to documentation
Reference to page
Reference to graphic
Notice or individual step to be observed
, 2., 3.…Series of steps
Result of a step
Help in the event of a problem
Visual inspection
1.2.5 Symbols in graphics
SymbolMeaning
1, 2, 3 ...Item numbers
, 2., 3.…Series of steps
A, B, C, ...Views
A-A, B-B, C-C, ...Sections
Endress+Hauser5
About this documentTankside Monitor NRF81
-
.
SymbolMeaning
Hazardous area
Indicates a hazardous area.
Safe area (non-hazardous area)
Indicates the non-hazardous area.
1.2.6 Symbols at the device
SymbolMeaning
Safety instructions
Observe the safety instructions contained in the associated Operating Instructions.
Temperature resistance of the connection cables
Specifies the minimum value of the temperature resistance of the connection cables.
6Endress+Hauser
Tankside Monitor NRF81About this document
1.3 Documentation
For an overview of the scope of the associated Technical Documentation, refer to the
following:
• The W@M Device Viewer : Enter the serial number from the nameplate
(www.endress.com/deviceviewer)
• The Endress+Hauser Operations App: Enter the serial number from the nameplate
or scan the 2-D matrix code (QR code) on the nameplate.
1.3.1 Technical Information (TI)
The Technical Information contains all the technical data on the device and provides an
overview of the accessories and other products that can be ordered for the device.
DeviceTechnical Information
Tankside Monitor NRF81TI01251G
1.3.2 Brief Operating Instructions (KA)
The Brief Operating Instructions contain all the essential information from incoming
acceptance to initial commissioning.
DeviceBrief Operating Instructions
Tankside Monitor NRF81KA01209G
1.3.3 Operating Instructions (BA)
The Operating Instructions contain all the information that is required in various phases of
the life cycle of the device: from product identification, incoming acceptance and storage,
to mounting, connection, operation and commissioning through to troubleshooting,
maintenance and disposal.
It also contains a detailed explanation of each individual parameter in the operating menu
(except the Expert menu). The description is aimed at those who work with the device
over the entire life cycle and perform specific configurations.
DeviceOperating Instructions
Tankside Monitor NRF81BA01465G
1.3.4 Description of Device Parameters (GP)
The Description of Device Parameters provides a detailed explanation of each individual
parameter in the 2nd part of the operating menu: the Expert menu. It contains all the
device parameters and allows direct access to the parameters by entering a specific code.
The description is aimed at those who work with the device over the entire life cycle and
perform specific configurations.
DeviceDescription of Device Parameters
Tankside Monitor NRF81GP01083G
Endress+Hauser7
About this documentTankside Monitor NRF81
1.3.5 Safety instructions (XA)
Ordering feature 010 "Approval"MeaningXA
BAATEX II 2 (1)G Ex db [ia Ga] IIC T6 GbXA01531G
FDFM C/US XP-AIS Cl.I Div.1 Gr.BCD T6
AEx d[ia] IIC T6
GAEAC Ex db[ia Ga] IIC T6 GbXA01701G
IAIEC Ex db [ia Ga] IIC T6 GbXA01531G
KAKC Ex db[ia Ga] IIC T6 Gbin preparation
MAINMETRO Ex db[ia Ga] IIC T6 Gbin preparation
NANEPSI Ex db[ia Ga] IIC T6 GbXA01752G
TATIIS Ex d[ia] IIC T6 Ga/Gbin preparation
XA01532G
8Endress+Hauser
Tankside Monitor NRF81About this document
1.4 Registered trademarks
FieldCare
Registered trademark of the Endress+Hauser Process Solutions AG, Reinach, Switzerland
MODBUS
Registered trademark of the MODBUS-IDA, Hopkinton, MA, USA
®
®
Endress+Hauser9
Basic safety instructionsTankside Monitor NRF81
2 Basic safety instructions
2.1 Requirements for the personnel
The personnel for installation, commissioning, diagnostics and maintenance must fulfill
the following requirements:
Trained, qualified specialists must have a relevant qualification for this specific function
‣
and task.
Are authorized by the plant owner/operator.
‣
Are familiar with federal/national regulations.
‣
Before starting work, read and understand the instructions in the manual and
‣
supplementary documentation as well as the certificates (depending on the
application).
Follow instructions and comply with basic conditions.
‣
The operating personnel must fulfill the following requirements:
Are instructed and authorized according to the requirements of the task by the facility's
‣
owner-operator.
Follow the instructions in this manual.
‣
2.2 Designated use
Application and measured materials
The device described in these Operating Instructions is a monitoring unit for use with the
Endress+Hauser Micropilot M and Micropilot S-series radars and other HART compatible
devices. Mounted at the tank side, it provides indication of measured data, allows
configuration and supplies intrinsically safe (i.s.) or explosion proof (XP) power to the
connected sensors on the tank. Various industry standard digital gauging communication
protocols support integration into open architecture tank gauging and inventory systems.
Measuring devices for use in hazardous areas, in hygienic applications or in applications
where there is an increased risk due to process pressure, are labeled accordingly on the
nameplate.
To ensure that the measuring device remains in proper condition for the operation time:
Only use the measuring device in full compliance with the data on the nameplate and
‣
the general conditions listed in the Operating Instructions and supplementary
documentation.
Check the nameplate to verify if the device ordered can be put to its intended use in the
‣
approval-related area (e.g. explosion protection, pressure vessel safety).
If the measuring device is not operated at atmospheric temperature, compliance with
‣
the relevant basic conditions specified in the associated device documentation is
absolutely essential.
Protect the measuring device permanently against corrosion from environmental
‣
influences.
Observe the limit values in the "Technical Information".
‣
The manufacturer is not liable for damage caused by improper or non-designated use.
2.3 Workplace safety
For work on and with the device:
Wear the required personal protective equipment according to federal/national
‣
regulations.
10Endress+Hauser
Tankside Monitor NRF81Basic safety instructions
2.4 Operational safety
Risk of injury.
Operate the device in proper technical condition and fail-safe condition only.
‣
The operator is responsible for interference-free operation of the device.
‣
Conversions to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers.
If, despite this, modifications are required, consult with the manufacturer.
‣
Repair
To ensure continued operational safety and reliability,
Carry out repairs on the device only if they are expressly permitted.
‣
Observe federal/national regulations pertaining to repair of an electrical device.
‣
Use original spare parts and accessories from the manufacturer only.
‣
Hazardous area
To eliminate a danger for persons or for the facility when the device is used in the
hazardous area (e.g. explosion protection, pressure vessel safety):
Based on the nameplate, check whether the ordered device is permitted for the
‣
intended use in the hazardous area.
Observe the specifications in the separate supplementary documentation that is an
‣
integral part of these Instructions.
2.5 Product safety
This measuring device is designed in accordance with good engineering practice to meet
state-of-the-art safety requirements, has been tested, and left the factory in a condition in
which it is safe to operate. It meets general safety standards and legal requirements.
2.5.1 CE mark
The measuring system meets the legal requirements of the applicable EC guidelines. These
are listed in the corresponding EC Declaration of Conformity together with the standards
applied.
Endress+Hauser confirms successful testing of the device by affixing to it the CE mark.
Endress+Hauser11
Product descriptionTankside Monitor NRF81
1
2
3
3 Product description
3.1 Product design
A0027767
1Design of Tankside Monitor NRF81
1Housing
2Display and operating module (can be operated without opening the cover)
3Mounting plate for wall or pipe mounting
12Endress+Hauser
Tankside Monitor NRF81Incoming acceptance and product identification
4 Incoming acceptance and product
identification
4.1 Incoming acceptance
Upon receipt of the goods check the following:
• Are the order codes on the delivery note and the product sticker identical?
• Are the goods undamaged?
• Do the nameplate data match the ordering information on the delivery note?
• If required (see nameplate): Are the Safety Instructions (XA) enclosed?
If one of these conditions is not satisfied, contact your Endress+Hauser Sales Center.
4.2 Product identification
The following options are available for identification of the measuring device:
• Nameplate specifications
• Extended order code with breakdown of the device features on the delivery note
• Enter serial numbers from nameplates in W@M Device Viewer
( www.endress.com/deviceviewer ): All information about the measuring device is
displayed.
• Enter the serial number from the nameplates into the Endress+Hauser Operations App
or scan the 2-D matrix code (QR code) on the nameplate with the Endress+HauserOperations App: all the information for the measuring device is displayed.
For an overview of the scope of the associated Technical Documentation, refer to the
following:
• The W@M Device Viewer: Enter the serial number from the nameplate
(www.endress.com/deviceviewer)
• The Endress+Hauser Operations App: Enter the serial number from the nameplate or
scan the 2-D matrix code (QR code) on the nameplate.
Endress+Hauser13
Incoming acceptance and product identificationTankside Monitor NRF81
1
3
21
22
23
6
7
8
9
14
16
15
19
20
11
18
12
13
24
25
26
28
27
4
5
Ext. ord. cd.:
Order code:
Ser. no.:
Tp max.:
Mat.:
Date:
FW:
Dev.Rev.:
ex works
DeviceID:
Ta
Ta:
if modification
see sep. label
X =
MWP:
Tank ID:
Tank ref.height:
2
Density range:
Kg/m³
17
10
4.2.1 Nameplate
A0027791
2Nameplate
1Manufacturer address
2Device name
3Order code
4Serial number
5Extended order code
6Supply voltage
7Maximum process pressure
8Maximum process temperature
9Permitted ambient temperature (Ta)
10 Temperature resistance of cable
11 Thread for cable entry
12 Material in contact with process
13 Device ID
14 Firmware version
15 Device revision
16 Metrology certification numbers
17 Customized parametrization data
18 Ambient temperature range
19 CE mark / C-tick mark
20 Additional information on the device version
21 Ingress protection
22 Certificate symbol
23 Data concerning the Ex approval
24 General certificate of approval
25 Associated Safety Instructions (XA)
26 Manufacturing date
27 RoHS mark
28 QR code for the Endress+Hauser Operations App
4.2.2 Manufacturer address
Endress+Hauser SE+Co. KG
Hauptstraße 1
79689 Maulburg, Germany
Address of the manufacturing plant: See nameplate.
14Endress+Hauser
Tankside Monitor NRF81Incoming acceptance and product identification
4.3 Storage and transport
4.3.1 Storage conditions
• Storage temperature: –50 to +80 °C (–58 to +176 °F)
• Store the device in its original packaging.
4.3.2 Transport
NOTICE
Risk of injury
Transport the measuring device to the measuring point in its original packaging.
‣
Take into account the mass center of the device in order to avoid unintended tilting.
‣
Comply with the safety instructions, transport conditions for devices over 18kg
4Mounting of the Tankside Monitor at a vertical pipe
A0029901
A0029899
16Endress+Hauser
Tankside Monitor NRF81Installation
≤15 Nm (11.06 lbf ")
A0029900
5Mounting of the Tankside Monitor at a horizontal pipe
5.2 Post-installation check
Is the device undamaged (visual inspection)?
m
Does the device conform to the measuring point specifications?
For example:
• Process temperature
m
• Process pressure (refer to the chapter on "Material load curves" of the "Technical Information"
document)
• Ambient temperature range
• Measuring range
Are the measuring point identification and labeling correct (visual inspection)?
m
Is the device adequately protected from precipitation and direct sunlight?
m
Endress+Hauser17
Electrical connectionTankside Monitor NRF81
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
D
E
F
C
B
A
1
1
1
13
2
24
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
G
1
3
2
POWER
G1 N
G3 L
AC 85...264 V
6 Electrical connection
6.1 Terminal assignment
6Terminal compartment (typical example) and ground terminals
Terminal areaModule
Up to four I/O modules, depending on the order code
A/B/C/D
(slots for I/O
modules)
• Modules with four terminals can be in any of these slots.
• Modules with eight terminals can be in slot B or C.
The exact assignment of the modules to the slots is dependent on the device version
→ 21.
EHART Ex i/IS interface
• E1: H+
• E2: H-
FRemote display
• F1: VCC (connect to terminal 81 of the remote display)
• F2: Signal B (connect to terminal 84 of the remote display)
• F3: Signal A (connec t to terminal 83 of the remote display)
• F4: Gnd (connect to terminal 82 of the remote display)
Power supply: 85 to 264 V
G
• G1: N
• G2: not connected
AC
• G3: L
Protective ground connection (M4 screw)
A0018339
A0027362
18Endress+Hauser
Tankside Monitor NRF81Electrical connection
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
4
F
1
13
2
24
HR
CDI
WP
SIM
G
1
3
2
POWER
1
3
Vcc
Gnd
AB
2
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
F
13
24
HR
WP
Vcc
Gnd
A
B
81 82 83 84
F1 F2 F3 F4
6.1.1 Power supply
A0033413
G1 N
G2 not connected
G3 L
4Green LED: indicates power supply
Supply voltage
85 to 264 VAC, 50/60 Hz, 28.8 VA
1)
The supply voltage is also indicated on the nameplate.
6.1.2 Remote display and operating module DKX001
7Connection of the remote display and operating module DKX001 to the Tank Gauging device (NMR8x,
NMS8x or NRF8x)
1Remote display and operating module
2Connecting cable
3Tank Gauging device (NMR8x, NMS8x or NRF8x)
A0037025
The remote display and operating module DKX001 is available as an accessory. For
details refer to SD01763D.
• The measured value is indicated on the DKX001 and on the local display and
operating module simulataneously.
• The operating menu cannot be accessed on both modules at the same time. If the
1)maximum value; actual value depending on modules installed. 28.8 VA includes the nominal power, and the cabling specification has to meet
Endress+Hauser19
this value. On the other hand, the effective power consumption is 12 W.
operating menu is entered in one of these modules, the other module is
automatically locked. This locking remains active until the menu is closed in the
first module (back to measured value display).
Electrical connectionTankside Monitor NRF81
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
E
1
1
2
CDI
i
G
1
3
2
POWER
3
6.1.3 HART Ex i/IS interface
A0033414
E1 H+
E2 H3Orange LED: indicates data communication
This interface always operates as the main HART master for connected HART slave
transmitters. The Analog I/O modules, on the other hand, can be configured as a
HART master or slave → 28 → 30.
20Endress+Hauser
Tankside Monitor NRF81Electrical connection
1
D
C
B
A
6.1.4 Slots for I/O modules
The terminal compartment contains four slots (A, B, C and D) for I/O modules. Depending
on the device version (ordering features 040, 050 and 060) these slots contain different
I/O modules. The table below shows which module is located in which slot for a specific
device version.
The slot assignment for the device is also indicated on a label attached to the back
cover of the display module.
A0030069
1Label showing (among other things) the modules in the slots A to D.
ACable entry for slot A
BCable entry for slot B
CCable entry for slot C
DCable entry for slot D
Endress+Hauser21
Electrical connectionTankside Monitor NRF81
NRF81 -XX XX XXxxxx...
060050040
D
C
B
A
1
1
2
2
3
3
4
4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
"Primary Output" (040) = "Modbus" (A1)
Ordering feature
040
Primary
Output
A1X0X0Modbus---
A1X0A1Modbus--Digital
A1X0A2Modbus-DigitalDigital
A1X0A3ModbusDigitalDigitalDigital
A1X0B1ModbusModbus--
A1X0B2ModbusModbus-Digital
A1X0B3ModbusModbusDigitalDigital
A1A1X0ModbusAnalog Ex d/XP--
A1A1A1ModbusAnalog Ex d/XP-Digital
A1A1A2ModbusAnalog Ex d/XPDigitalDigital
A1A1B1ModbusModbusAnalog Ex d/XP-
A1A1B2ModbusModbusAnalog Ex d/XPDigital
A1A2X0ModbusAnalog Ex d/XPAnalog Ex d/XP-
A1A2A1ModbusAnalog Ex d/XPAnalog Ex d/XPDigital
A1A2B1ModbusAnalog Ex d/XPAnalog Ex d/XPModbus
A1B1X0ModbusAnalog Ex i/IS--
A1B1A1ModbusAnalog Ex i/IS-Digital
A1B1A2ModbusAnalog Ex i/ISDigitalDigital
A1B1B1ModbusModbusAnalog Ex i/IS-
A1B1B2ModbusModbusAnalog Ex i/ISDigital
A1B2X0ModbusAnalog Ex i/ISAnalog Ex i/IS-
A1B2A1ModbusAnalog Ex i/ISAnalog Ex i/ISDigital
A1B2B1ModbusAnalog Ex i/ISAnalog Ex i/ISModbus
A1C2X0ModbusAnalog Ex i/ISAnalog Ex d/XP-
A1C2A1ModbusAnalog Ex i/ISAnalog Ex d/XPDigital
A1C2B1ModbusAnalog Ex i/ISAnalog Ex d/XPModbus
050
Secondary
IO Analog
060
Secondary
IO Digital
Ex d/XP
Terminal area
A0023888
22Endress+Hauser
Tankside Monitor NRF81Electrical connection
NRF81 -XX XX XXxxxx...
060050040
D
C
B
A
1
1
2
2
3
3
4
4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
"Primary Output" (040) = "V1" (B1)
Ordering feature
040
Primary
Output
B1X0X0V1---
B1X0A1V1--Digital
B1X0A2V1-DigitalDigital
B1X0A3V1DigitalDigitalDigital
B1X0B1V1Modbus--
B1X0B2V1Modbus-Digital
B1X0B3V1ModbusDigitalDigital
B1A1X0V1Analog Ex d/XP--
B1A1A1V1Analog Ex d/XP-Digital
B1A1A2V1Analog Ex d/XPDigitalDigital
B1A1B1V1ModbusAnalog Ex d/XP-
B1A1B2V1ModbusAnalog Ex d/XPDigital
B1A2X0V1Analog Ex d/XPAnalog Ex d/XP-
B1A2A1V1Analog Ex d/XPAnalog Ex d/XPDigital
B1A2B1V1Analog Ex d/XPAnalog Ex d/XPModbus
B1B1X0V1Analog Ex i/IS--
B1B1A1V1Analog Ex i/IS-Digital
B1B1A2V1Analog Ex i/ISDigitalDigital
B1B1B1V1ModbusAnalog Ex i/IS-
B1B1B2V1ModbusAnalog Ex i/ISDigital
B1B2X0V1Analog Ex i/ISAnalog Ex i/IS-
B1B2A1V1Analog Ex i/ISAnalog Ex i/ISDigital
B1B2B1V1Analog Ex i/ISAnalog Ex i/ISModbus
B1C2X0V1Analog Ex i/ISAnalog Ex d/XP-
B1C2A1V1Analog Ex i/ISAnalog Ex d/XPDigital
B1C2B1V1Analog Ex i/ISAnalog Ex d/XPModbus
050
Secondary
IO Analog
060
Secondary
IO Digital
Ex d/XP
Terminal area
A0023888
Endress+Hauser23
Electrical connectionTankside Monitor NRF81
NRF81 -XX XX XXxxxx...
060050040
D
C
B
A
1
1
2
2
3
3
4
4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
"Primary Output" (040) = "4-20mA HART Ex d" (E1)
Ordering feature
040
Primary
Output
E1X0X0-Analog Ex d/XP--
E1X0A1-Analog Ex d/XP-Digital
E1X0A2-Analog Ex d/XPDigitalDigital
E1X0A3DigitalAnalog Ex d/XPDigitalDigital
E1X0B1ModbusAnalog Ex d/XP--
E1X0B2ModbusAnalog Ex d/XP-Digital
E1X0B3ModbusAnalog Ex d/XPDigitalDigital
E1A1X0-Analog Ex d/XPAnalog Ex d/XP-
E1A1A1-Analog Ex d/XPAnalog Ex d/XPDigital
E1A1A2DigitalAnalog Ex d/XPAnalog Ex d/XPDigital
E1A1B1ModbusAnalog Ex d/XPAnalog Ex d/XP-
E1A1B2ModbusAnalog Ex d/XPAnalog Ex d/XPDigital
E1B1X0-Analog Ex d/XPAnalog Ex i/IS-
E1B1A1-Analog Ex d/XPAnalog Ex i/ISDigital
E1B1A2DigitalAnalog Ex d/XPAnalog Ex i/ISDigital
E1B1B1ModbusAnalog Ex d/XPAnalog Ex i/IS-
E1B1B2ModbusAnalog Ex d/XPAnalog Ex i/ISDigital
050
Secondary
IO Analog
060
Secondary
IO Digital
Ex d/XP
Terminal area
A0023888
24Endress+Hauser
Tankside Monitor NRF81Electrical connection
NRF81 -XX XX XXxxxx...
060050040
D
C
B
A
1
1
2
2
3
3
4
4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
"Primary Output" (040) = "4-20mA HART Ex i" (H1)
Ordering feature
040
Primary
Output
H1X0X0-Analog Ex i/IS--
H1X0A1-Analog Ex i/IS-Digital
H1X0A2-Analog Ex i/ISDigitalDigital
H1X0A3DigitalAnalog Ex i/ISDigitalDigital
H1X0B1ModbusAnalog Ex i/IS--
H1X0B2ModbusAnalog Ex i/IS-Digital
H1X0B3ModbusAnalog Ex i/ISDigitalDigital
H1A1X0-Analog Ex i/ISAnalog Ex d/XP-
H1A1A1-Analog Ex i/ISAnalog Ex d/XPDigital
H1A1A2DigitalAnalog Ex i/ISAnalog Ex d/XPDigital
H1A1B1ModbusAnalog Ex i/ISAnalog Ex d/XP-
H1A1B2ModbusAnalog Ex i/ISAnalog Ex d/XPDigital
H1B1X0-Analog Ex i/ISAnalog Ex i/IS-
H1B1A1-Analog Ex i/ISAnalog Ex i/ISDigital
H1B1A2DigitalAnalog Ex i/ISAnalog Ex i/ISDigital
H1B1B1ModbusAnalog Ex i/ISAnalog Ex i/IS-
H1B1B2ModbusAnalog Ex i/ISAnalog Ex i/ISDigital
050
Secondary
IO Analog
060
Secondary
IO Digital
Ex d/XP
Terminal area
A0023888
Endress+Hauser25
Electrical connectionTankside Monitor NRF81
D
E
F
C
B
A
1
1
1
13
2
24
1
HR
WP
on
SIM
2
23344
112233445566778
8
A
1 2 3 4
A1-4
i
D
1
2 3 4
D1-4
6.1.5 Terminals of the "Modbus" or "V1" module
A0031200
8Designation of the "Modbus" or "V1" modules (examples); depending on the device version these modules
may also be in slot B or C.
Depending on the device version, the "Modbus" and/or "V1" module may be in different
slots of the terminal compartment. In the operating menu the "Modbus" and "V1" interfaces
are designated by the respective slot and the terminals within this slot: A1-4, B1-4, C1-4,
D1-4.
Terminals of the "Modbus" module
Terminal
X1SCable shielding connected via a capacitor to EARTH
X20VCommon reference
X3B-Non-inverting signal line
X4A+Inverting signal line
Designation of the module in the operating menu: Modbus X1-4; (X = A, B, C or D)
1)In this column, "X" stands for one of the slots "A", "B", "C", or "D".
1)
NameDescription
Terminals of the "V1" module
Terminal
X1SCable shielding connected via capacitor to EARTH
X2not connected
X3B-Protocol loop signal -
X4A+Protocol loop signal +
Designation of the module in the operating menu: V1 X1-4; (X = A, B, C or D)
1)
NameDescription
26Endress+Hauser
1)In this column, "X" stands for one of the slots "A", "B", "C", or "D".
Tankside Monitor NRF81Electrical connection
D
E
F
C
B
A
1
1
1
13
2
24
1
HR
WP
on
SIM
22334
4
112233445566778
8
i
B
1 2 3 4 5 6 7 8
B1-3B4-8
C
1 2 3 4 5 6 7 8
C1-3C4-8
6.1.6 Terminals of the "Analog I/O" module (Ex d /XP or Ex i/IS)
A0031168
Terminals FunctionConnection diagramsDesignation in the operating menu
B1-3Analog input or output
C1-3Analog I/O C1-3 (→ 138)
B4-8Analog input• RTD: → 31
C4-8Analog IP C4-8 (→ 132)
(configurable)
• Passive usage: → 28
• Active usage: → 30
• FMR5xx: → 32
Analog I/O B1-3 (→ 138)
Analog IP B4-8 (→ 132)
Endress+Hauser27
Electrical connectionTankside Monitor NRF81
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
ca
b
-
+
!
E
G
F
1
1
13
2
24
HR
CDI
WP
on
SIM
i
D
C
B
A
1122334
4
112233445566778
8
G
1
3
2
POWER
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
a
+
–
E
G
F
1
1
13
2
24
HR
CDI
WP
on
SIM
i
D
C
B
A
1122334
4
112233445566778
8
G
1
3
2
POWER
b
6.1.7 Connection of the "Analog I/O" module for passive usage
• In the passive usage the supply voltage for the communication line must be supplied
by an external source.
• The wiring must be in accordance with the intended operating mode of the Analog
I/O module; see the drawings below.
"Operating mode" = "4..20mA output" or "HART slave +4..20mA output"
9Passive usage of the Analog I/O module in the output mode
aPower supply
bHART signal output
cAnalog signal evaluation
"Operating mode" = "4..20mA input" or "HART master+4..20mA input"
A0027931
28Endress+Hauser
10Passive usage of the Analog I/O module in the input mode
aPower supply
bExternal device with 4...20mA and/or HART signal output
A0027933
Tankside Monitor NRF81Electrical connection
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
a
+
–
!
E
G
F
1
1
13
2
24
HR
CDI
WP
on
SIM
i
D
C
B
A
1122334
4
112233445566778
8
G
1
3
2
POWER
b
"Operating mode" = "HART master"
A0027934
11Passive usage of the Analog I/O module in the HART master mode
aPower supply
bUp to 6 external devices with HART signal output
Endress+Hauser29
Electrical connectionTankside Monitor NRF81
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
b
a
-
+
E
G
F
1
1
13
2
24
HR
CDI
WP
on
SIM
i
D
C
B
A
1122334
4
112233445566778
8
G
1
3
2
POWER
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
22334
4
112233445566778
8
i
G
1
3
2
POWER
E
G
F
1
1
13
2
24
HR
CDI
WP
on
SIM
i
D
C
B
A
1122334
4
112233445566778
8
G
1
3
2
POWER
-
+
a
6.1.8 Connection of the "Analog I/O" module for active usage
• In the active usage the supply voltage for the communication line is supplied by the
device itself. There is no need of an external power supply.
• The wiring must be in accordance with the intended operating mode of the Analog
I/O module; see the drawings below.
• Maximum current consumption of the connected HART devices: 24 mA
(i.e. 4 mA per device if 6 devices are connected).
• Output voltage of the Ex-d module: 17.0 V@4 mA to 10.5 V@22 mA
• Output voltage of the Ex-ia module: 18.5 V@4 mA to 12.5 V@22 mA
"Operating mode" = "4..20mA output" or "HART slave +4..20mA output"
A0027932
12Active usage of the Analog I/O module in the output mode
aHART signal output
bAnalog signal evaluation
"Operating mode" = "4..20mA input" or "HART master+4..20mA input"
30Endress+Hauser
13Active usage of the Analog I/O module in the input mode
aExternal device with 4...20mA and/or HART signal output
A0027935
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