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Label: "field devices"

View in: "Building Automation Knowledge Base" | Community

721 Posts | First Used: 2018-09-06

Building Automation Knowledge Base

Issue How to monitor if equipment is running without running cables to additional sensors Environment Current Sensor switch Cause Running cables to and fitting sensors can be time consuming and expensive, are there other ways to monitor equipment? Resolution The current drawn by equipment can be monitored within a control panel using the Current Sensor devices. This method of monitoring equipment will not replace other monitor methods, but will be suitable for some projects - Detecting belt loss, coupling shear and mechanical failures - Evaluating lighting circuit and other electrical service run times - Monitoring status of critical electrical equipment - Choose from Switch, 0-5VDC, 0-10VDC and 4-20mA Information on current sensos can be downloaded from the Schneider Electric Exchange Extranet. Click here to be linked to applicable area.

Issue Have the VZ22, VZ32, VZ42 valves been replaced by the VZ219, VZ319, VZ419 series? Product Line Field Devices Environment Vista Satchwell Continuum Micronet Sigma Cause VZ*19* zone valves now available with equal or better specification than the older VZ*2 valves Resolution As per PA-00911 the VZ22, VZ32, VZ42 series valves are no longer available for sale. The alternative is the standard catalogue zone offer, either the VZ*08* with MZ140 for thermal (low cost, silent) solutions, or the VZ*19* with MZ20 for a Motoric actuator solution. The alternative range VZ*08E or VZ*19*, is lower in cost and would be a suitable replacement in most applications. For high pressure applications, the VP228E PIBCV would be a suitable alternative. There should be no technical concern with changing over a PIBCV from a zone valve if the system pressure is above 25 kPa. There will be slight dimensional differences in the zone valve body length but for most installations the existing pipework should be able to accommodate the difference. A cross reference from the discontinued offer to the new offer is detailed PA-00911. Datasheets for all valves and actuators can be found here or here for MZ18A, MZ18B, MZ20A, MZ20B, VZ*19*

Issue Forta actuator only modulates 0-50% when given a 0-10V input signal. All DIP switches are OFF, so it should modulate 0-100% for 0-10V input. Environment Forta M800 Cause If the X1 and MX control signal connections are reversed, the actuator will appear to modulate but the stroke will be limited to 0-50% Resolution Ensure that the actuator is correctly wired, according to the Forta datasheet.

Issue How to change the Standby image on a SE8000 controller to something other than standard factory image Product Line EcoStruxure Building Expert, Field Devices Environment SE8xxx range Cause The standard standby image for the SE8300 does not meet the customer requirements Resolution See the link below to the Exchange for the software and instructions on how to perform this process. Reference page 4 of the Uploader Tool - SE8000 Series Room Controllers.

Issue Using the Xenta 421A, 422A, 451A or 452A I/O modules as a stand alone Lonworks node and all values are reading the default 0. Product Line EcoStruxure Building Operation, Field Devices, TAC Vista Environment Xenta I/O Modules Xenta 400, 421A, 422A, 451A, 452A as stand alone LON nodes Cause The Xenta 421A and Xenta 451A as stand alone Lonworks node require the UCPTConfiguration to be set to the necessary integer value for the required input. Resolution Please see the supporting documentation for the TAC Xenta 421A/422A and TAC Xenta 451A/452A that gives each nci value for the needed input type. To configure each input to the correct type please follow these steps: Navigate to the node in your Lonworks network management software (Lonmaker, NL220, Tridium, Etc.) Browse / Edit the controller to view all of the inputs, outputs, and configuration properties. Find the Universal Input module for the input you need to configure, and locate the UCPTConfigInput variable within that module Set this UCPTConfigInput variable to one of the following: 1 = 1.8 kohm thermistor 2 = DI with green indication 3 = 0-10 vdc 4 = 0-20 mA 5 = 10 kohm thermistor 6 = DI with red indication 7 = DI with green inverted indication 8 = DI with red inverted indication NOTE: This is normally done in Menta when you are using these controllers as I/O modules to a Xenta 401, Xenta 301, Xenta 302 base unit. The scan time of all inputs is (200ms * number of inputs used). So if there are 3 inputs, the complete module will have been scanned every 600ms.

Issue What is necessary to do in order to change settings in the Kamstrup Multical 601 meter? Environment Kamstrup Multical 601 Cause How to change the basic settings in pulse calculations from MWhrs to kWhrs, and also other settings. Resolution Metertool software (part no: MAHWSWTOOL) together with the Optical eye USB hardware (part no: MAOPTICUSB) is required for this type of configuration. For more information, please take a look at MeterTool for Multical 601 presentation.

Issue In our portfolio we currently only list VF208 series valves with elongated wafer type eyelets Environment VF208L VF208W Cause Applications sometimes requires a valve with lugs instead. Resolution VF208 valves with lugged flanges are available on request. Please contact Product Management or Order Entry for information on ordering this option. The Specification sheet can be downloaded here.

Issue Can AC-powered sensors be connected to the same Central I/O module that already has DC-powered sensors? Or is it better to separate them across different I/O modules? Product Line EcoStruxure Building Operation Environment Building Operation I/O Module 16 Ch UI Cause Is it technically feasible and advisable to mix AC and DC powered sensors on the same Central I/O module? Resolution Yes, AC and DC powered sensors can be connected to the same Central I/O module. Here's why: Signal vs. Power Supply Regardless of whether a sensor is powered by AC or DC, the signal transmission (e.g., 0–10 V or 4–20 mA) is always DC-based. The type of power supply (AC/DC) does not affect the signal processing by the I/O module. Module Design Considerations All Central I/O modules share the same backplane, so separating AC and DC sensors across modules does not provide any electrical isolation benefit. The Signal Ground Rail (SGR) is critical. Each I/O module must be connected to the SGR to: Prevent current from flowing through the backplane. Ensure stable and accurate signal measurements. RET Terminal and Jumper Use Even if RET terminals are at the same potential, using a jumper between them can cause: Unintended current flow through the jumper. Measurement inaccuracies due to shared current paths. The SGR is designed to handle these currents safely and independently, avoiding interference between devices. Best Practice Recommendation Use the Signal Ground Rail (SGR) for all RET connections. Avoid relying on jumpers between RET terminals to prevent cross-device current interference. Mixing AC and DC powered sensors on the same module is acceptable, provided proper grounding practices are followed.

Issue Which port (P1 or P2) should be connected to the high and low pressure? Product Line Field Devices. Environment EasyLogic CP Series Differential Wet Pressure Transmitter (CP-LI-DP-TR-xxxx) Cause The product documentation does not clearly specify which port corresponds to the high-pressure side and which to the low-pressure side. Resolution P2 is the high-pressure port. P1 is the low-pressure port.

Issue Confused by RF-Series sensor wiring instructions. Do the controller's input return and the supplied power ground connect to the same termination on the sensor? Environment RH-Series sensor Warning Electrostatic Discharge Required: Always discharge static electricity from your person by touching metal prior to handling any hardware. Failure to do so may result in damage to devices. Cause Documentation Resolution *** If connecting to a voltage input on the controller then use the VOUT termination instead of the 4-20 mA

Issue The C20 series cameras have the BNC and neutral ground for 24VAC tied to the same ground plane. This can cause a power supply short if the ground and hot are connected out of phase at the power supply. This can also cause ground loop bars in the video if connected to a supply that is not on the same ground plane as the camera. This also causes problems with some third party UTP brands connections. Product Line Field Devices, Pelco Environment C20 cameras connected to common power supply and/or ground planes that are different. Warning Hazard of Electric Shock: Remove all power from all devices before removing any covers or doors of the system. Disconnect power at the device and at the power source. Cause The 24 VAC on the C20 cameras are connected to a common ground plane and the BNC connection is grounded to the same ground plane Resolution When installing the C20 cameras use single isolated transformers for each camera, or make sure the wiring is tied with the same phase. This is done by making sure the same wire leg of each camera is connected to the same wire side of the transformer on the power supply. Also when connecting to the power supply use a meter to test for voltage potential differences. Check that the cameras will work with the third party UTP brand you are using

Issue Replacement battery for the DC1100 / DC1400 Product Line Field Devices Environment DC1100 DC1400 Replacement Battery Warning Electrostatic Discharge Required: Always discharge static electricity from your person by touching metal prior to handling any hardware. Failure to do so may result in damage to devices. Cause Controller battery has failed. Resolution The battery lifetime will vary over a very wide range depending on use and temperature so cannot easily be predicted, but about 5 years under normal conditions, would be a guide. The battery in a DC1100 and a DC1400 is soldered to the underside of the CPU PCB. It is a 3.6V 150mAh NiMH battery. The factory part number is S2218121100 and the manufacturer’s part number is Varta 55615 603 940. Please Note: - Good soldering skills will be needed to replace the battery. The battery can be sourced from CPC Farnell Varta 55615603940 details at CPC Farnell

Issue STC300 terminal detail is different to Specification Sheet and Installation Sheet and there are several versions of the same device. Product Line Field Devices Environment STC300 Warning Hazard of Electric Shock: Remove all power from all devices before removing any covers or doors of the system. Disconnect power at the device and at the power source. Cause STC300 terminal detail is different to Specification Sheet and Installation Sheet and there are several versions of the same device. Example of incorrectly wired device. Two versions of the STC300 device are shown. Resolution On each version of the devices, there is a printed termination legend adjacent to the terminals, follow this. 24Vdc from the power supply is wired to 24V Loop+ on the device. Signal to controller is wired to Loop- on the device. On the controller, the RET is wired back to the 24Vdc supply using the GRD or RET terminal, see power supply specific wiring detail.

Issue The SLO Label shows an incorrect value range for kL. Product Line Field Devices Environment SpaceLogic SLO series Lux sensor Warning Hazard of Electric Shock: Remove all power from all devices before removing any covers or doors of the system. Disconnect power at the device and at the power source. Cause The label on the SLO shows the incorrect value range for kL. Resolution SLO: The product specification sheet states the Ranges for the jumper as: - 0 to 500 lx and 0 to 20 kLx The range to 500 lx can be seen on the circuit board. The product’s label shows 0 – 4kL The manufacturer has confirmed the label is incorrect the value should be 500 lx, New labels will be used in production from August 2022. SLR: The tense delivery situation during the pandemic, especially for electronic components, has forced the manufacturer to make technical changes to the SLR in order to stay able to continue to deliver reliably. The range has extended from 0.4 to 0.5 kLux. These changes are incorporated in the corresponding instructions, provided with the devices. New labels will show the extended range.

Issue Need to replace an AVUE, AVUX or AVUM Mark 5 Actuator Product Line Field Devices Environment AVUE5305 AVUE5355 AVUE5304 AVUE5354 AVUX5202 AVUM5601 Warning Hazard of Electric Shock: Remove all power from all devices before removing any covers or doors of the system. Disconnect power at the device and at the power source. Cause Need to find a replacement for the obsolete AVUE, AVUX or AVUM Mark 5 actuator, that will allow the valve to be retained. Resolution The AVU* Mark 5 range of actuators can be replaced from the MZ300S range. AVUE5305 replace with MZ300S-24M AVUE5355 replace with MZ300S-24M AVUE5304 replace with MZ300S-24M AVUE5354 replace with MZ300S-24M AVUX5202 replace with MZ300S-24F AVUM5601 replace with MZ300S-230F The AVUE, AVUX, AVUM Mk 5 Datasheet is attached MZ300S Specification sheet MZ300S-24M Installation Instructions MZ300S-24F Installation Instructions MZ300S-230F Installation Instructions

Issue Documentation for the Huba 692 differential pressure sensor is not available on the Extranet or other Schneider Electric web sites. Environment Part no 6552050000, Huba 692 Differential pressure sensor Cause This is a Class 3 product that is sold by Schneider Electric, but documentation is provided by the manufacturer. Resolution Data sheet is available here, or on the manufacturer web site: http://www.hubacontrol.com/en/products/

Issue Drayton Theta ll EC Compensator Controller requires replacement. Product Line Field Devices, Satchwell Sigma Environment Stand alone discreet Drayton Compensator Controller :- Theta ll EC Cause Obsolescence of Drayton Theta ll EC Controller. Resolution Replace Drayton Theta ll EC Compensator Controller with Satchwell CSC Compensator Controller. N.B. Two models of the Satchwell CSC Compensator Controller are available. CSC5252 without programmer details of which may be viewed here. CSC5352 including programmer details of which may be viewed here. It should be noted that the Actuator / Valve Body assembly connected to the Drayton Theta ll EC Compensator Controller may be retained for connection to the Satchwell CSC Compensator Controller. It should also be noted however that the associated Drayton Theta ll EC Compensator Controller Sensors are also obsolete. These Sensors are not compatible with the Satchwell CSC range of Compensator Controllers and must also be replaced. Satchwell CSC Compensator Controllers are compatible with the following Sensors :- STO 600 Outside Air Temperature Sensor, details of which may be viewed here. STR 600 Room Temperature Sensor.(Optional), details of which may be viewed here. STC 600 Surface Mounting Temperature Sensor, details of which may be viewed here. or alternatively :- STP 660 Immersion Temperature Sensor, details of which may be viewed here. plus DWA 0005 Immersion Temperature Sensor Pocket, details of which may be viewed here.

Issue No documentation available through regular sources. Environment GV Air flow Sensor: 63 mm 5515010063 80 mm 5515010080 100 mm 5515010100 125 mm 5515010125 160 mm 5515010160 200 mm 5515010200 250 mm 5515010250 315 mm 5515010315 400 mm 5515010400 Cause Hard to find documentation on these sensors Resolution Data sheet is available here. Mounting instructions here.

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