Danfoss H1 P is a pressure transmitter that measures pressure and converts it into an electrical signal, providing accurate and reliable pressure readings in various applications. It features a compact and robust design, making it suitable for use in harsh industrial environments. With its advanced technology, the Danfoss H1 P offers high accuracy, fast response time, and excellent stability, ensuring precise pressure measurements. Its versatility allows for its use in a wide range of industries, including water and wastewater, chemical processing, and food and beverage production.
Danfoss H1 P is a pressure transmitter that measures pressure and converts it into an electrical signal, providing accurate and reliable pressure readings in various applications. It features a compact and robust design, making it suitable for use in harsh industrial environments. With its advanced technology, the Danfoss H1 P offers high accuracy, fast response time, and excellent stability, ensuring precise pressure measurements. Its versatility allows for its use in a wide range of industries, including water and wastewater, chemical processing, and food and beverage production.
COMPLIANT
TM
CONNECTOR MATES
WITH DEUTCH
CONNECTOR #DTM-06-125A
PIN #1
INDICATED
1
12
6
7
47.1 mm
[1.85]
51.6 mm
[2.03]
LED INDICATOR
LIGHTS
CONNECTOR MATES
WITH DEUTCH
CONNECTOR #DTM-06-125A
1
12
6
7
97.0 mm
[3.82]
142.0 mm
[5.59]
144.5 mm
5.69
158.2 mm
6.23
2x 25.2 mm
[1.0]
2x
∅
7.0
[.28]
MOUNTING
DIRECTION
#2
PLUS+1
™
GUIDE
Software
PLUS+1 Compliant
H1 Filter Bypass
Function Block
User Manual
PLUS+1 Compliant H1 Filter Bypass Function Block
User Manual
2
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About this Manual
Organization
and Headings
T
o help you quickly find information in this manual, the material is divided into sections,
topics, subtopics, and details, with descriptive headings set in red type. Section titles
appear at the top of every page in large red type.
In the PDF version of this document, clicking an item underlined in blue italic type
jumps
you to the referenced page in the document.
Special Text Formatting Controls and indicators are set in bold black type.
Table of Contents
A Table of Contents (TOC) appears on the next page. In the PDF version of this document,
the TOC entries are hyperlinked.
Revision History
Revision Date Comment
Rev DA November 2011
©2011 Sauer-Danfoss. All rights reserved.
Sauer-Danfoss accepts no responsibility for possible errors in catalogs, brochures and other printed material.
Sauer-Danfoss reserves the right to alter its products without prior notice. This also applies to products already
ordered provided that such alterations can be made without affecting agreed specifications.
All trademarks in this material are properties of their respective owners.
PLUS+1, GUIDE, and Sauer-Danfoss are trademarks of the Sauer-Danfoss Group. The PLUS+1 GUIDE, PLUS+1
Compliant, and Sauer-Danfoss logotypes are trademarks of the Sauer-Danfoss Group.
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Contents
H1_Filtr_Bpas Function Block ..................................................................................................................... 4
Overview .................................................................................................................................................... 4
Inputs ........................................................................................................................................................... 5
Outputs ....................................................................................................................................................... 5
Fault Logic ................................................................................................................................................. 6
About Function Block Connections .................................................................................................. 7
About the Relationship between Function Block Input and Output Signals ...................... 7
MC Controller—Input Configuration ................................................................................................ 9
How to Configure an AnIn ............................................................................................................ 9
SC Controller—Input Configuration ............................................................................................... 10
How to Configure a MFIn ............................................................................................................ 10
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H1_Filtr_Bpas Function Block
Overview
The H1_Filtr_Bpas function block monitors the output of an H1 Filter Bypass Sensor that
is installed on an H1 integral filter.
T Bypass conditions can cause pump and system damage. The bypass sensor warns of
bypass conditions that may require immediate attention. The bypass sensor is not
designed to alert users that the filter is approaching the end of its normal service life. Do
not use the bypass sensor to indicate when normal filter replacement is required.
Always follow a filter replacement schedule to maximize pump life and to avoid
damaging bypass conditions.
T If a bypass condition occurs on a new pump, check for ferrous (magnetic) materials
inside the bypass sensor.
The H1 Filter Bypass Sensor outputs resistance based on the position of a bypass spool
valve. The bypass spool valve controls when oil starts bypassing the filter. The bypass
sensor changes resistance levels before the bypass spool valve allows oil to bypass the
filter. This resistance change gives an advanced warning of a bypass condition.
When the filter is not bypassing, the bypass sensor outputs a resistance of 408–612 Ω.
When the filter is about to bypass, or is actually bypassing, the bypass sensor outputs a
resistance of 98–147 Ω.
The H1_Filtr_Bpas function block indicates the bypass spool position with a Boolean
output of T or F.
• When 408–612 Ω, the resistance from the bypass sensor indicates that the filter is not
bypassing, the function block outputs a F signal.
• When 98–147 Ω, the resistance from the bypass sensor indicates that the filter is
about to bypass or is actually bypassing, the function block outputs a T signal.
See About Function Block Connections on page 7 for an overview of this function block’s
connections and signals.
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Inputs
H1_Filtr_Bpas Function Block Inputs
Input Type Range Description
Input —— —— Inputs a resistance value that indicates the position of a bypass sensor.
Outputs
H1_Filtr_Bpas Function Block Outputs
Output Type Range Description
Fault U16 —— Reports function block faults.
All fault conditions set the Bypass signal to true, regardless of the resistance value input by the bypass switch.
The Fault signal uses the standard bitwise scheme described in the Basic Function Block Library User’s Manual.
Bypass BOOL —— Outputs a T or F value based on the resistance value input by a bypass switch.
– T = Resistance from the bypass switch is 98–147 Ω. The filter is about to bypass or is actually bypassing.
– F = Resistance from the bypass switch is 408–612 Ω. The filter is not bypassing.
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Fault Logic
All fault conditions set the Bypass signal to true, regardless of resistance value input by
the bypass switch.
Once a fault condition clears, the Bypass signal immediately returns to normal T/F
operation.
Fault Logic
Fault Cause Bit* Response Delay
†
Latch Correction
Value out of range. The Input resistance value is
outside the ranges for a valid true
or false Bypass signal but is
greater than 61 Ω and less than
1020Ω.
2
Bypass held
at T.
Yes No
Verify the resistance between the sensor
output and ground. Check for incorrect
wiring.
Open circuit. The Input resistance value is
above 1020Ω.
3 Check for open circuit or high resistance
between the input and ground.
Short circuit. The Input resistance value is
below 61Ω.
4 Check for short circuit or low resistance
between the input and ground.
*Position of set bit in a 16 bit status or fault code. Bit 1 is the least significant bit. Bit 16 set to 1 identifies a standard Sauer-Danfoss status code or
fault code.
†
A delayed fault gets reported if the detected fault condition persists for a specified delay time. A delayed fault cannot be cleared until the fault
condition remains undetected for the delay time.
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About Function Block Connections
Function Block Connections
Item Description
1 Resistance value from bypass switch.
2 Reports function block faults.
3 – T = Filter is bypassing or about to bypass.
– F = Filter is not bypassing.
About the Relationship between Function Block Input and Output Signals
The following plot shows the relationship between the resistance values applied to the
H1_Filtr_Bpas function block’s Input signal and its Fault and Bypass signal outputs.
When the resistance at the Input is:
• At or below 60Ω, the Fault signal indicates a short-circuit fault. This fault sets the
Bypass output to true, regardless of the bypass spool position.
• Between 62 and 97Ω, the Fault signal indicates an out-of-range fault. This fault sets
the Bypass output to true, regardless of the bypass spool position.
• Between 98 and 147Ω, the Fault signal indicates normal operation. A Bypass output
of true at these resistance values indicates that the filter is about to bypass or is
actually bypassing.
• Between 148 and 407Ω, the Fault signal indicates an out-of-range fault. This fault sets
the Bypass output to true, regardless of the bypass spool position.
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• Between 408 and 612Ω, the Fault signal indicates normal operation. A Bypass output
of false at these resistance values indicates that filter is not bypassing.
• Between 613 and 1020Ω, the Fault signal indicates an out-of-range fault. This fault
sets the Bypass output to true, regardless of the bypass spool position.
• At or above 1021Ω, the Fault signal indicates an open-circuit fault. This fault sets the
Bypass signal to true, regardless of the bypass spool position.
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9
MC Controller—Input Configuration
If you have an SC controller, see SC Controller—Input Configuration on page 10.
You route the resistance from a bypass switch through an AnIn to the Input on the
H1_Filtr_Bpas function block.
You must change the configuration of the AnIn to accept a resistance input.
T The AnIn that you use must be identified for use as an Analog Input. Do not select an
AnIn used for Sensor Power or as an AnIn/CAN Shld.
How to Configure an AnIn
1. In the GUIDE template, enter the Inputs page.
2. Enter the AnIn page that inputs the resistance value.
3. Make the changes that are shown in the preceding figure.
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SC Controller—Input Configuration
If you have an MC controller, see MC Controller—Input Configuration on page 9.
You route the resistance from a bypass switch through an MFIn to the Input on the
H1_Filtr_Bpas function block.
You must change the configuration of the MFIn to accept a resistance input.
T The MFIn that you use must be configurable for use as a Resistance input.
How to Configure a MFIn
1. In the GUIDE template, enter the Inputs page.
2. Enter the MFIn page that inputs the resistance value.
3. Make the changes that are shown in the preceding figure.
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User Manual
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Products we offer:
• Bent Axis Motors
• Closed Circuit Axial Piston Pumps
and Motors
• Displays
• Electrohydraulic Power Steering
• Electrohydraulics
• Hydraulic Power Steering
• Integrated Systems
• Joysticks and Control Handles
• Microcontrollers and Software
• Open Circuit Axial Piston Pumps
• Orbital Motors
• PLUS+1™ GUIDE
• Proportional Valves
• Sensors
• Steering
•
Transit Mixer Drives
Local address:
Sauer-Danfoss Inc.
3500 Annapolis Lane North
Minneapolis, MN 55447, USA
Phone: +1 763 509-2000
Fax: +1 763 559-5769
Sauer-Danfoss (US) Company
2800 East 13th Street
Ames, IA 50010, USA
o
ne: +1 515 239-6000
Fax: +1 515 239-6618
Sauer-Danfoss ApS
DK-6430 Nordborg, Denmark
Phone: +45 7488 4444
Fax: +45 7488 4400
Sauer-Danfoss GmbH & Co. OHG
Postfach 2460, D-24531 Neumünster
Krokamp 35, D-24539 Neumünster,
Germany
Phone: +49 4321 871-0
Fax: +49 4321 871 122
Sauer-Danfoss-Daikin LTD
Shin-Osaka TERASAKI 3rd Bldg. 6F
1-5-28 Nishimiyahara, Yodogawa-ku
Osaka 532-0004, Japan
Phone: +81 6 6395 6066
Fax: +81 6 6395 8585
www.sauer-danfoss.com
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Members of the Sauer-Danfoss Group:
Comatrol
www.comatrol.com
Schwarzmüller-Inverter
www.schwarzmueller-inverter.com
Turolla
www.turollaocg.com
Hydro-Gear
www.hydro-gear.com
Sauer-Danfoss-Daikin
www.sauer-danfoss-daikin.com
Sauer-Danfoss is a global manufacturer and supplier of high-
quality hydraulic and electronic components. We specialize in
providing state-of-the-art technology and solutions that excel in
the harsh operating conditions of the mobile off-highway market.
Building on our extensive applications expertise, we work closely
with our customers to ensure exceptional performance for a broad
range of off-highway vehicles.
We help OEMs around the world speed up system development,
reduce costs and bring vehicles to market faster.
Sauer-Danfoss—Your Strongest Partner in Mobile Hydraulics.
Go to www.sauer-danfoss.com for further product information.
Wherever off-highway vehicles are at work, so is Sauer-Danfoss.
We offer expert worldwide support for our customers, ensuring the
best possible solutions for outstanding performance. And with an
extensive network of Global Service Partners, we also provide
comprehensive global service for all of our components.
Please contact the Sauer-Danfoss re
p
resentative nearest
y
ou.
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Danfoss H1 P is a pressure transmitter that measures pressure and converts it into an electrical signal, providing accurate and reliable pressure readings in various applications. It features a compact and robust design, making it suitable for use in harsh industrial environments. With its advanced technology, the Danfoss H1 P offers high accuracy, fast response time, and excellent stability, ensuring precise pressure measurements. Its versatility allows for its use in a wide range of industries, including water and wastewater, chemical processing, and food and beverage production.
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