JUMO meroVIEW 108Q (Format 96 x 48 mm) - 1 Analogeingang (universell), 1 Digitaleingang, 1 Digitalein-, ausgang (umschaltbar), 2 Relais (Schließer), inkl. 2 Timer, Min/Max-Wert Anzeige, Hold Funktion, Tarierfunktion

JUMO meroVIEW - Multifunction digital indicator with PLC function

Typ: 701553/8-00-00-00-00-00-00-42/000

•  Version: Standard with factory settings
•  Power supply: AC/DC 24V +10/-15% / 48 bis 63 Hz
•  Extra code: without
•  Option1-6: not assigned
•  1 analogue input
•  1 digital input
•  1 digital input/output switchable
•  1 relay (NO contact)
•  2 timers
•  Min/max display
•  Hold function
•  Tare function

The display series comprises four universally applicable devices in various DIN formats, which are used to display temperature, pressure and other process variables.
The devices offer user-friendly operation with a clearly structured layout and text support. Process values and parameters are displayed on two 18-segment LCD displays. Types 701552, 701553 and 701554 also have a pixel matrix LCD display for displaying texts. Additional display elements provide information about the switching positions of the outputs and certain functions such as timers. The devices are operated via a membrane keypad with 4 buttons and can also be used in demanding environments thanks to their high IP65 protection rating.
The basic equipment already includes a min/max value display, hold function, temperature function, limit value monitoring, digital control signals, extensive timer functions and a service counter. Optionally, the devices can be extended with a maths and logic function as well as with ST code functionality to realise customer-specific functions. The ST code functionality also allows direct access to the display and operating buttons, which enables customised device operation.

Inputs and outputs
Each device type is equipped with a universal analogue input that is suitable for resistance thermometers, thermocouples, current, voltage, resistance transmitters and resistance/potentiometers. Each device also has a digital input, a switchable digital input/output and two relay outputs (NO contact 3 A). The digital inputs are intended for the connection of a potential-free contact, while the digital output supplies a logic signal of 0/14 V.
The optional digital outputs with 0/14 V (not galvanically isolated) can be used, for example, to control solid-state relays. Alternatively, the optional digital outputs with 0/22 V and galvanic isolation can also be used as a voltage supply for two-wire transmitters.
Please note that certain inputs and outputs cannot be used simultaneously (see notes in the wiring diagram).

Customer-specific linearisation
Individual linearisation according to customer requirements also makes it possible to use sensor signals with special characteristics. Programming is carried out in the setup program either using your value table with up to 40 value pairs or using a formula (4th order polynomial). The device supports 2 customer-specific linearisations.

Counting inputs
The device can optionally be equipped with up to 4 counting inputs, with a maximum counting frequency of 12.5 kHz. Each counting input can be controlled either with a digital signal of 0/24 V or via a potential-free contact. The counters allow the following functions to be configured:

•  Counting of pulses
•  Calculation of frequency
•  speed
•  Speed (volume per time unit)
•  Flow rate (volume per time unit)

In addition, individual functions can be implemented via maths functions or ST code, such as the calculation of the total flow rate (volume)

Signal assignment via selectors
The input signals and all internal signals are available in so-called selectors (analogue selector, digital selector) for further use in the device. The control signals for the outputs are also assigned via selectors, which enables flexible assignment of signals and functions.

USB interfaces
The device has a USB device interface (Micro-B socket on the rear), which is intended exclusively for connection to a PC for use with the setup programme. There is also a USB host interface (type A socket), which is located on the rear of the 108 and 104 format devices and on the side of the smaller 116 format device. This interface is intended for connecting a USB memory stick in order to carry out firmware updates, read out data loggers and transfer the device configuration.

RS485 interface
The RS485 interface is available as an option and supports the Modbus RTU protocol. It can be used in both master and slave mode.

Ethernet interface
The Ethernet interface (Modbus TCP) is optional and enables parallel communication with 2x mater or 2x slave. It is used for integration into a company network, the transfer of process values and communication with the setup programme.

PROFINET interface
The device can optionally be equipped with a PROFINET interface in order to be integrated into a PROFINET network as an IO device. A GSD file (GSDML) is available for the programming system of the IO controller, which describes the properties of the device. It should be noted that the standard Ethernet services are not supported via the PROFINET interface. If the device is equipped with the PROFINET interface, neither the Ethernet nor the RS485 interface can be used.

Power supply
The device is available in two power supply variants: AC 110 to 240 V or AC/DC 24 V (see Technical data).

Electrical connection
The electrical connection is time-saving with removable spring-loaded terminals (PushIn technology).

Min-max function
When the min-max function is activated, both the minimum and maximum values of the indicator are saved and continuously updated. These values can be displayed separately or alternating with the current value. In the alternating display (scrolling), the min/max symbol is active while either the minimum or maximum value is displayed. A binary signal can be used to reset the stored values in order to return to the current value.

Hold function
The hold function "freezes" the value of the indicator, which means that this value is displayed as long as the controlling binary signal is active.

Tare function
The tare function makes it possible to set the value of the indicator to zero, controlled by a binary signal (for weighing applications). The currently displayed value is added to the tare value each time. Another binary signal can be used to reset the tare value to zero so that the current value appears on the display again.

Limit value monitoring
The device is equipped with 8 limit value monitors, each of which has 8 configurable alarm functions. Any analogue signal is selected from a selector for monitoring, while the limit value can either be an absolute value or dependent on another analogue signal. It offers special functions such as

•  On/off delay
•  Wiper function
•  Alarm suppression during the switch-on phase or in the event of parameter changes Alarm latching
•  Latching with acknowledgement

Limit value monitoring enables a variety of alarm and limit value functions.

Digital control signals
This function enables the configuration of up to 8 digital control signals. The control signal is either formed by an AND/OR/XOR combination of up to three selectable binary signals or a single binary signal is used as an input signal and can be output as a pulsed signal, delayed signal, wiper signal or edge-triggered signal. In the latter case, the rising or falling edge of the binary signal is determined and the output signal is activated for the duration of a sampling interval. The output signal can be inverted in all these cases.

Timer
The device is also equipped with 2 timers that can be started via freely selectable digital signals or depending on an integrated tolerance band monitoring function. Lead and lag times as well as a self-hold function with acknowledgement are also available.
This makes it easy to realise a wide range of functions such as time-controlled regulation or setpoint switching.

Service counter
The service counter can either count the number of switching operations of a binary signal or measure its switch-on duration. As soon as the adjustable limit value is reached, a binary signal is activated and must be acknowledged. An operating hours counter is also available, which records the operating time of the device.

Maths and logic function
The optional maths and logic function (extra code) can be used to link analogue or binary values. Up to four freely configurable maths or logic formulas can be created using the setup program. The results are then available for further use in the analogue or digital selector.

Structured text
The "Structured text" option (extra code) allows the user to develop a customised application. This application is created using the ST editor, which is part of the setup programme, and uses the "Structured text" PLC programming language. Once completed, the application is transferred to the device and executed continuously. Online debugger functions are available in the ST editor for troubleshooting and testing.
With the setup programme, the user can also create up to 100 individual texts and have them shown on the device display by a corresponding application. These texts can be entered in four languages so that they are displayed in the respective language after changing the device language.

Data logger
The data logger enables the recording of 4 analogue and 4 binary values. The recording interval is adjustable and ranges from 1 minute to 1 hour. Recording is based on the ring memory principle, which means that older data is overwritten as soon as the memory is full. With a recording interval of 10 minutes, the data can be recorded for around 2 years before the oldest data is overwritten.
A USB memory stick on which the data is stored in CSV format is used to read out the data.

Real-time clock
The real-time clock provides the current date and time (time stamp for data logger and ST code).

Retain memory
Thanks to the integrated retain memory, specific data is retained even in the event of a power failure. This applies to the service data, the counter and timer data as well as the retain data of the ST code.

Individually configurable operating levels
The user has the option of customising the device menu to ensure a high level of operating convenience and optimum integration into the system. Four menu levels with submenus are available for this purpose. The menu items and parameters can be labelled individually in four languages, and it is possible to switch between them. The menu levels can be partially or completely locked to prevent unauthorised operation.

Setup programme
The setup programme is essential for commissioning the device and is available to download free of charge. In addition to the individual set-up of the operating levels, whose parameters can subsequently be edited in the device, the setup programme offers the user a simple and user-friendly method of configuring the device using a PC.
With the setup programme, data records can be created, edited, transferred to the device and read out from there. The data can be saved and printed out. The programme also allows the user to easily create and print out a connection diagram showing the current terminal assignment of the device.
Startup: The startup function enables the recording of process variables during commissioning for a maximum of 24 hours. The recorded diagrams are available on the PC and can be used for system documentation, for example.
Online data: The current process variables of the device are displayed in a separate window.

Firmware update
The device's firmware can be updated in a user-friendly way using a USB memory stick; the file is provided by the manufacturer if required.