Endress+Hauser RIA452 User manual

Products Solutions Services
Operating Instructions
RIA452
Process indicator
with pump control
BA00265R/09/EN/16.21
71517687
2021-02-20
Valid from version
02.01.xx (device software)

RIA452 Table of contents
Endress+Hauser 3
Table of contents
1 About this document ................ 4
1.1 Document conventions ................... 4
2 Safety instructions .................. 6
2.1 Requirements for the personnel ............ 6
2.2 Designated use ........................ 6
2.3 Operational safety ...................... 6
2.4 Product safety ......................... 7
3 Incoming acceptance and product
identification ....................... 8
3.1 Product identification .................... 8
3.2 Scope of delivery ....................... 8
3.3 Storage and transport ................... 8
4 Installation ........................ 9
4.1 Installation conditions ................... 9
4.2 Mounting the indicator .................. 9
5 Electrical connection .............. 10
5.1 Universal input option .................. 11
5.2 Connecting the process indicator .......... 12
5.3 Post-connection check .................. 14
6 Operation options ................. 16
6.1 Overview of operation options ............ 16
6.2 Structure and function of the operating
menu .............................. 17
6.3 Access to the operating menu via the local
display ............................. 18
7 Commissioning .................... 21
7.1 Function check ....................... 21
7.2 Switching on the measuring device ......... 21
7.3 Configuring the measuring device .......... 21
8 Maintenance ...................... 44
9 Accessories ....................... 44
9.1 Device-specific accessories ............... 44
10 Troubleshooting .................. 45
10.1 Troubleshooting instructions ............. 45
10.2 Process error messages ................. 45
11 Return ............................ 48
12 Disposal .......................... 48
12.1 IT security ........................... 48
12.2 Disassembling the measuring device ........ 48
12.3 Disposing of the measuring device ......... 48
13 Technical data .................... 49
13.1 Input ............................... 49
13.2 Output ............................. 50
13.3 Power supply ......................... 52
13.4 Performance characteristics .............. 54
13.5 Installation .......................... 55
13.6 Environment ......................... 55
13.7 Mechanical construction ................ 56
13.8 Operability .......................... 58
13.9 Certificates and approvals ............... 59
13.10 Supplementary documentation ............ 59
14 Appendix ......................... 60
14.1 Flow conversion ....................... 60
Index .................................. 61

About this document RIA452
4 Endress+Hauser
1 About this document
1.1 Document conventions
1.1.1 Safety symbols
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.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.1.2 Electrical symbols
Symbol Meaning
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 Earth (PE)
A terminal which must be connected to ground prior to establishing any other
connections.
The ground terminals are situated inside and outside the device:
• Inner ground terminal: Connects the protectiv earth to the mains supply.
• Outer ground terminal: Connects the device to the plant grounding system.
1.1.3 Symbols for certain types of information
Symbol Meaning
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.
A
Reference to page.

RIA452 About this document
Endress+Hauser 5
Symbol Meaning
Reference to graphic.
Notice or individual step to be observed.
1.
,
2.
,
3.
… Series of steps.
Result of a step.
Help in the event of a problem.
Visual inspection.
1.1.4 Symbols in graphics
Symbol Meaning Symbol Meaning
1, 2, 3,... Item numbers
1.
,
2.
,
3.
… Series of steps
A, B, C, ... Views A-A, B-B, C-C, ... Sections
-
Hazardous area
.
Safe area (non-hazardous area)
1.1.5 Registered trademarks
HART®
Registered trademark of the HART Communication Foundation, Austin, USA
Applicator®, FieldCare®, Field Xpert™, HistoROM®
Registered or registration-pending trademarks of the Endress+Hauser Group

Safety instructions RIA452
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2 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
The process indicator evaluates analog process variables and displays them on its
multicolored screen. Processes can be monitored and controlled with the indicator's
outputs and limit relays. The device is equipped with a wide array of software functions for
this purpose. Power can be supplied to 2-wire sensors with the integrated transmitter
power supply.
• The device is seen as an associated apparatus and may not be installed in hazardous
areas.
• The manufacturer accepts no liability for damages resulting from incorrect use or use
other than that designated. It is not permitted to convert or modify the device in any
way.
• The device is designed for installation in a panel and must only be operated in an
installed state.
2.3 Operational safety
Risk of injury!
‣Operate the device only if it is in proper technical condition, free from errors and faults.
‣The operator is responsible for interference-free operation of the device.
Modifications to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers:
‣If modifications are nevertheless 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 the repair of an electrical device.
‣Use only original spare parts and accessories from the manufacturer.

RIA452 Safety instructions
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2.4 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. It also complies with the EC
directives listed in the device-specific EC Declaration of Conformity. The manufacturer
confirms this by affixing the CE mark to the device.

Incoming acceptance and product identification RIA452
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3 Incoming acceptance and product
identification
3.1 Product identification
3.1.1 Nameplate
Compare the nameplate on the device with the following diagram:
1
2
3
5
4
6
A0031242
 1 Nameplate of the process indicator (example)
1 Order code and serial number of the device
2 Power supply
3 Software version number
4 Ambient temperature
5 Power
6 Name and address of manufacturer
3.1.2 Name and address of manufacturer
Name of manufacturer: Endress+Hauser Wetzer GmbH + Co. KG
Address of manufacturer: Obere Wank 1, D-87484 Nesselwang or www.endress.com
3.2 Scope of delivery
The scope of delivery of the process indicator comprises:
• Process indicator for panel mounting
• Multilingual Brief Operating Instructions as hard copy
• CD-ROM with PC configuration software and RS232 interface cable (optional)
• Fastening clips
• Sealing ring
Please note the device accessories in the "Accessories" section of the →  44.
3.3 Storage and transport
Storage temperature
–30 to +70 °C (–22 to +158 °F)

RIA452 Installation
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4 Installation
4.1 Installation conditions
The permitted ambient conditions must be observed during installation and operation (see
the "Technical data" section of the Operating Instructions). The device must be protected
from exposure to heat.
4.1.1 Installation dimensions
Required panel cutout 92 mm (3.62 in)x92 mm (3.62 in). Ensure an installation depth of
150 mm (5.91 in) for the device plus cable. For additional dimensions, see →  2,  9
and the "Technical data" section of the Operating Instructions.
4.1.2 Mounting location
Installation in a panel. The mounting location must be free from vibrations. A suitable
electrical, fire-proof and mechanical enclosure must be provided.
4.1.3 Orientation
Horizontal, ±45 ° in every direction.
4.2 Mounting the indicator
92 (3.62)
92 (3.62)
145 (5.71)
1
2
3.
4.
1.
2.
2.
3.
A0031247
 2 Installation in a panel
Mounting the indicator
1. Push the device with the sealing ring (item 1) through the panel cutout from the
front.
2. Hold the device level and clip the fastening clips (item 2) into the openings provided.
3. Tighten the screws of the fastening clips uniformly using a screwdriver.

Electrical connection RIA452
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4. Remove the protective foil from the display.
5 Electrical connection
+
-
+
-
+
-
+
-
+
+
-
-
-
+
+
-
1
2
3
4
5
6
7
8
A0031253
 3 Terminal assignment of process indicator. Internal circuits illustrated as dotted lines.
1 Current input, terminals 12 and 82 jumpered
internally.
6 Digital output, passive open collector, max. 28 V,
200 mA
2 Current loop, transmitter power supply max.
22 mA current input
7 Digital inputs according to DIN 19240; voltage
level: –3 to 5 V low, 12 to 30 V high, input
current typ. 3 mA (with overload and polarity
reversal protection), input voltage max. 34.5 V,
scanning frequency max. 10 Hz
3 Current input 0 to 20 mA
4 Analog output 0 to 20 mA, 0 to 10 VDC
5 Transmitter power supply, 24 V, ≤250 mA. 8 Relay output: relay 1-8; 250 VAC/30 VDC, 3 A
Terminal Terminal assignment Description
L/L+ L for AC
L+ for DC
Power connection
N/L- N for AC
L- for DC
NC Not connected
J1 Jumper for locking device operation via hardware. If the
jumper is set to J1, the setting cannot be modified.
The device can always be configured with
the PC software via RS232 even if the
jumper is set to J1.
J2 Not connected
11 +0/4 to 20 mA Current input