Digital 280-1 Digital Indicator
6Pages

Digital 280-1 Digital Indicator ® Maintenance manager and error list Large 5-digit display Limit values with hysteresis, time gate and gradient ON/OFF and 2-point controller O2 measurement with high-impedance input Function-key ± Customer-specific linearization for all sensors ± Galvanically isolated output ± Permanent min. and max. value storage (slave pointer) ± Tare function ± Sample & hold amplifier ± Filter with suppression bandwidth (adjustable) ± Einstellbare Auflösung der Anzeige ± Settings can be blocked via password and internal switch for high security ± Extended temperature range up to 60 °C allows mounting close to the process ± Easy 2-point or offset measurement correction ± Logical combination of digital outputs, e.g. for general alarm ± RS 422/485 Modbus RTU interface ± Built-in transmitter power supply ± Splash-water proof front (IP 65) APPLICATIONS Ø Furnaces and ovens Ø Burners and boilers Ø Weighing and batching Ø Process control Ø Plastics processing Ø ... DESCRIPTION Front interface and Engineering Tools Control parameter adjustment in seconds has now also been implemented in the KS 40 class of instruments. Via the BlueControl software incl. its simulation functions, and especially the convenient BluePort® front panel interface, the required set-up for a specific control task can be determined without a detailed study of the operating instructions. Off cause almost all adjustments can be done comfortably over the instrument front. (see page 6, BlueControl) Limit values The measured signal can be scaled freely and monitored for limit values and sensor break. Process status signalling is possible by two relays and six LEDs in total. Moreover, an alarm or the displayed value can be output as a 0/4...20 mA or 0/2...10 V signal via an analog output. Alarm hold function Alarm statuses can be configured so that they remain unchanged until acknowledgement. universal line BluePort Front interface and BlueControl Software Controller Apart from application as an indicator, Digital 280-1 can be used as a signaller or on/off controller, as a two-point or a continuous controller. Oxygen measurement: When using a heated lambda probe, the oxygen concentration can be displayed, controlled and output directly as a standard signal. Range with O2 measurement: 0,0001% (1ppm) to 100.00% Indication of values below 1 ppm is possible via the voltage value display. Linearization with 15 segments Non-linear signals, e.g. filling quantities, flows, etc. can be adapted by means of user-specific linearization. Plug-in module As a plug-in module, Digital 280-1 can be replaced very quickly without tools and without impairing the wiring. Password protection If required, access to the various operating levels can be protected with a password.

TECHNICAL DATA Table 1 Thermocouple ranges PROCESS VALUE INPUT INP1 Decimal point: Limiting frequency: Digital input filter: Scanning cycle: Measured value Effect of source resistance: 1 (jV/fi Cold junction compensation Internal temperature compensation External temperature compensation Sensor break monitoring Resistance thermometer (Table 2) nput circuit monitor: Break and short circuit Resistance measuring range The BlueControl software can be used to match the input to the sensor KTY 11-6 (characteristic is stored in the controller). Physical measuring range: 0...450 Ohm Current and...

Electrical connections: * All logic signals can be OR-linked I Duty cycle electric common connection external contactors, these must be fitted with RC snubber circuits to manufacturer specifications to prevent excessive switch-off voltage peaks. Galvanically isolated from the inputs. Freely scalable DA-converter limiting frequency Tgn: 50 ms Limiting frequency of the complete continuous controller: Current output Signal range: Load effect: Voltage output Signal range: Load effect: OUT3 used as transmitter supply OUT3 used as logic output Galvanic isolations: • Safety isolation • Functional...

• latched limit messages (If the adjusted operating hours are exceeded a message is displayed) e.g. maintenance interval of actuator (If the adjusted switching cycles • Internal fault (RAM, EEPROM, ...) POWER SUPPLY Power consumption Power consumption: approx: 7 VA (W) BEHAVIOUR WITH POWER FAILURE Configuration, parameters, and adjusted set-points and the operating statuses are stored in non-volatile EEPROM. BluePort FRONT INTERFACE software is used to configure, set Galvanically isolated Transmission speed: Repeaters must be used to connect more ENVIRONMENTAL CONDITIONS Protection modes...

ORDERING INFORMATION Flammability class: UL 94 VO, self-extinguishing Plug-in module, inserted from the front Safety tests Over voltage category II Working voltage range 300 VAC GOST-R Certificate(on request): For each shipment to the russian delivered with the GOST-R certificated Electrical connections • Screw terminals for conductor Panel mounting with two fixing clamps Close mounting possible Mounting position: not critical Modbus RTU + Transmitter power supply + digital input di2, di3 (optical coupler) Standard configuration manual german manual english manual french GOST-R certified...

ACCESSORY EQUIPMENT BlueControl (Engineering Tool) PC-based program for configuring, setting parameters, and operating (commissioning) Digital indicator, controller and temperature limiter of the BluePort<B series. Software requirements: The built-in simulation serves to test the controller settings, but can also be used for general training and observing the nteraction between controller and control loop. BlueControl, versions and functions: FUNCTIONALITY MINI parameter and configuration setting controller and loop simulation yes download: trnsfer of an engineering to the controller yes...