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INSTALLATION MANUAL
Z-FLOWCOMPUTER / Z-FLOWCOMPUTER-B
Computer for the calculation of flow and energy of liquids, gases and steam
CONTENTS:
PRELIMINARY WARNINGS .............. 2
PRELIMINARY USE
INSTRUCTIONS ................................. 2
GENERAL FEATURES ....................... 2
TECHNICAL SPECIFICTIONS ........... 2
INSTALLATION RULES ..................... 4
ELECTRICAL CONNECTIONS .......... 5
SIGNALS VIA LED ON FRONT
PANELErrore. Il segnalibro non è definito.
ACCESSORIES .................................. 7
FRONT PANEL / MODULE LAYOUT . 8
DECOMMISSIONING AND
DISPOSAL .......................................... 8
Manufacturer
Website
Seneca srl
Registered office: Via Austria 26
35127 – Z.I. - Padua – I
Tel. +39.049.8705355 - 8705355
Fax +39 049.8706287
www.seneca.it
Product information: [email protected]
This document is the property of SENECA srl. Unauthorized duplication and reproduction is
strictly forbidden. The content of this document corresponds to the described products and
technologies. Stated data may be modified or supplemented for technical and/or sales
purposes.
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PRELIMINARY WARNINGS
The full content of this manual must be read before performing any operation. The module
must only be used by qualified electricians. Specific documentation is available from:
www.seneca.it/products/z-flowcomputer
The module must be repaired and damaged parts replaced by the Manufacturer. The
product is sensitive to electrostatic discharges. Take appropriate measures during all
operations.
The warranty is null and void in the event the module or devices supplied by the
Manufacturer, necessary for its correct operation, are improperly used or tampered with
and, in any case, if the instructions contained in this manual were not followed.
PRELIMINARY USE INSTRUCTIONS
Obstructing ventilation slots with any object is prohibited.
Installing the module next to devices that generate heat is prohibited.
GENERAL FEATURES
Computer for the calculation of flow and energy of liquids, gases and steam
Calculation rules: IAPWS IF-97, AGA8 GROSS METHOD, AGA8-92DC (ISO 12213-2),
SGERG88 (ISO 12213-3), Redlich-Kwong (RK) and Redlich-Kwong-Soave (RKS) equations .
CPU ARM 32 bit
Ethernet 10-100Mbps port
Side micro USB port, No. 1 RS485 terminal port
Slot for micro SD card, 32 Gb max.
1500 V power insulation compared with the remaining low voltage circuits.
Module dockable to IEC EN 60715 omega-shaped guide. Pull-out terminals, section 2.5mm
Rechargeable backup batteries for internal UPS.
TECHNICAL SPECIFICTIONS
Insulation
1500 V
The instrument complies with the following standards:
EN61000-6-4 (electromagnetic emission, industrial
environment)
EN61000-6-2 (electromagnetic immunity, industrial
environment)
EN61010-1 (safety).
Standards
2
SUPPLEMENTARY NOTES ON USE:
A 1 A, delayed fuse must be installed in series on the
power connection, near the module.
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Communication ports
RS485 terminal: 10, 11, 12 Baud rate 115200 baud max
Fast Ethernet 10/100 Mbps
Ethernet
Side USB Plug-in: Micro USB
Communication port: front with RJ45 connector
Connection maximum distance 100m
Digital input (pulsed Q flow measurement)
Input type: PNP / Absorbed current: 3mA
Voltage and internal power supply: 12V / 20mA / Maximum frequency: 250 Hz.
Analogue inputs 1 and 2 Voltage/Current
(A1 Q flow measurement, A2 Pressure P measurement / Temperature T)
Number of channels: 2 / Input type: configurable mA or V / Resolution: 16 bit
Voltage input: 0 – 30 V / precision 0.1% of Full Scale
Current input: 0 – 20 mA / precision 0.1% of Full Scale / Input protection: 30 V / 25 mA / Max voltage
drop: 1.2 V
Universal analogue input 3
(Temperature measurement T)
Type: V / mA 2 wires passive / mA 4 wires active / RTD 2 wires / RTD 3 wires / RTD 4 wires
Resolution: 15 bit / Sampling: 20ms (50Hz rejection)
INPUT TYPE:
voltage 0 – 10 V / Input impedance: 120kΩ
current: 0 – 20 mA / Input protection: 30 V / 25 mA / Max voltage drop: 1.2 V
resistance thermometer (RTD): PT100 / 500 / 1000 / NI100 connection with 2 / 3 / 4 wires with burnout
detection.
Analogue output
Type: configurable V – mA / Resolution: 14 bit / Width-limited signal.
Voltage output: 0 – 10 V (minimum load resistance = 1kΩ),
Current output (active / passive):0 – 20 mA (maximum load resistance 600Ω),
Precision: 0.1% / Thermal stability: 0.01%/°K / Linearity error: 0.01% / EMI < 1%.
Digital outputs
Number of channels: 2 / Type: SPDT free contact relay / Voltage: 30 V / 30 V / Current: 2 A.
Power supply
Voltage 10 – 40 V; 19 – 28 V 50 – 60 Hz
Absorption
Internal batteries 2xAAA NiMH
Max.: 5 W @ 24V
Environmental conditions
Temperature
Humidity 30 – 90% to 40°C non condensing
Altitude up to 2000 m above sea level
Storage temperature -20 – +45°C (< 6 months)
Protection rating IP20
-10 – +40°C (limit with UPS recharge battery)
-10 – +50°C (limit without UPS recharge battery)
Connections
3-way removable screw terminals, pitch 5 mm
RJ45 and micro USB
Micro SD card slot
Overall dimensions / Case
Dimensions/Weight L: 100 mm; H: 112 mm; W: 52.5 mm / 315 gr.
Case PA6, black
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INSTALLATION RULES
The module has been designed for vertical installation on an IEC EN 60715 omega guide. For optimal
operation and long working life, adequate ventilation must be provided. Avoid positioning cable ducts or
other objects so that they obstruct the ventilation slots. Avoid mounting modules over equipment
generating heat. Installation in the bottom part of the distribution board is recommended.
OMEGA IEC EN 60715 guide installation and removal.
Insertion onto the IEC EN 60715 guide:
1) Move the four hooks on the back of the module
outwards as illustrated in fig. 1b.
2) Rest the module on the OMEGA guide.
3) To secure the module to the OMEGA guide,
tighten the four hooks on the side of the IDC10 rear
connector as shown in fig. 1a.
Removal from the IEC EN 60715 guide:
As shown in figure 1b:
1) Move outwards the four hooks on the side
of the module, with the help of a screwdriver.
2) Extract the module from the guide.
Installation of the display panel (not present in the Z-FLOWCOMPUTER-B version)
Make a rectangular hole with the following
dimensions:
W=119 mm x H=93 mm.
Insert the panel into the hole.
Secure the panel as shown in the figure using all
the screws and fixing brackets supplied.
Be careful not to drop the panel while fixing it, so
as not to damage it.
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ELECTRICAL CONNECTIONS
Z-FLOWCOMPUTER module power supply
The power supply must be connected to terminals 2 and 3. The supply voltage
must be between 10 and 40V (any polarity), or between 19 and 28 V.
The upper limits must not be exceeded in order to avoid serious damage
to the module.
The power supply source must be protected from any malfunctions of the
module through appropriately sized safety fuse.
Important: On first start-up, the module must be supplied without any
interruptions for at least 72 hours to charge the internal batteries.
Z-FLOWCOMPUTER Digital input 1 (pulsed flow measurement)
Digital input 1 can be connected to a Q flow,
V Volume or digital mass/weight sensor with pulse output.
Z-FLOWCOMPUTER analog outputs 1 and 2
Voltage
Current
The Z-FLOWCOMPUTER module has two voltage or current configurables
analog inputs.
Input 1 is used for Q flow measurements.
Input 2 is used for P pressure or T1 temperature measurements.
The figures show some sensor connection examples.
Pressure sensor Temperature1 sensor Flow sensor
4 – 20 mA 0 – 10 V 0 – 20 mA
Z-FLOWCOMPUTER universal analog input 3
The Z-FLOWCOMPUTER module has a universal analogue input to be used for temperature
measurements T2. The figures show the connection modes and sensor types that can be connected to
this input.
Active input means that Z-FLOWCOMPUTER supplies the current loop.
Passive input means that the sensor supplies the current loop.
Transducer Transducer Transducer 4 wires RTC
0 – 10 V 0 – 20 mA passive (2 wires) 4 – 20 mA active (4 wires)
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Input V Input mA
active 4 wires
Input mA
passive 2 wires
RTD input
2 wires
RTD input
3 wires
RTD input
4 wires
Analog output (V) Analog output (mA) Configurable output
The Z-FLOWCOMPUTER has
an analog output that can be
configured for either voltage or
current.
The figures show the
connections.
Digital output 1 Digital output 2 Outputs with free
contacts
The Z-FLOWCOMPUTER has
two digital outputs with free
contacts.
The figures show the internal
relay contacts available.
Connection of the RS485 port
The RS485 port of the Z-FLOWCOMPUTER can be connected as shown in
the figure.
Connection RJ45 ETHERNET - HMI display
(not present in the Z-FLOWCOMPUTER-B version)
The RJ45 ETHERNET cable for the connection of the HMI display panel supplied with the
Z-FLOWCOMPUTER module must be connected as shown in the figure. For further information, refer
to the MI003740-I installation manual of the Visual3 display.
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Micro SD card slot
The Z-FLOWCOMPUTER has a micro SD card slot on the side of
the case.
Before insert the SD card in the matching slot, make sure the metal
contacts are facing right (with reference to the side figure).NOTA
BENE:
For the Z-FLOWCOMPUTER to working properly the micro SD card
must be inserted.
RJ45 Ethernet port (on front)
Z-FLOWCOMPUTER has an Ethernet port with RJ45 connector on
the front of the module, for display connection and/or for TCP-IP
communications.
For further information, refer to the USER MANUAL.
USB micro port (side)
Z-FLOWCOMPUTER has a serial USB micro port.
This port allows module connection to a computer in order to
configure it.
For further information, refer to the USER MANUAL.
LED INDICATIONS ON THE FRONTAL PANEL
LED STATUS LED meaning
PWR/STS Green ON The device is supplied correctly
SD/STS Red Flashing Access to micro SD card
ETH ACT Yellow Flashing Packet transit on Ethernet port
ETH LNK Green Flashing Connection on RJ45 activated
DI1 Red ON Digital input 1 PNP closed at + 12V
DI1 Red OFF Digital input 1 PNP open
DI2 Red ON Digital input 1 PNP closed at + 12V
DI2 Red OFF Digital input 2 PNP open
DI3 Red ON Digital input 3 PNP closed at + 12V
DI3 Red OFF Digital input 3 PNP open
DI4 Red ON Digital input 4 PNP closed at + 12V
DI4 Red OFF Digital input 4 PNP open
DO1 Red ON Digital output 1, relay energised
DO1 Red OFF Digital output 1, relay deenergised
DO2 Red ON Digital output 2, relay energised
DO2 Red OFF Digital output 2, relay deenergised
485 ACT Green Flashing Reading on internal I/O card
ACCESSORIES
CODE DESCRIPTION
CS-DB9F-TIP_V
CE-RJ45-RJ45-R
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RS485 connection cable
ETHERNET connection cable
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FRONT PANEL / MODULE LAYOUT
MONITOR SIZE
For the configuration, use the EASY FLOWCOMPUTER software available for download, at:
www.seneca.it/products/z-flowcomputer
For further information on the product, refer to the USER MANUAL available for download, at:
www.seneca.it/products/z-flowcomputer
(not present in the Z-FLOWCOMPUTER-B version)
DECOMMISSIONING AND DISPOSAL
Electrical and electronic waste disposal (applicable in the European Union and other
countries with recycling). The symbol on the product or packaging indicates that the
product cannot be discarded as domestic waste. It should be taken to an authorised
recycling centre for electrical and electronic waste. Ensuring that the product is
suitably discarded will avoid potential negative impacts on the environment and
human health, that could be caused by non compliant product disposal. Material
recycling will contribute to the preservation of natural resources. To receive further
information, please contact your local waste disposal service centre or product
dealer.
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