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EasyGrid LT User Guide

Wiring information

General

5.1

The following section is a recommendation, you must conform with your local electrical code.

Use copper wire, solid or stranded. Copper wire ferrules can be used with stranded conductors.

Terminal
block

Part number

Manufacturer

Recommended
screwdriver blade

Recommended
torque

Recommended
strip length

Wire size range

Power

1827635

Phoenix Contact

0.4 x 2.5mm

0.23Nm

7mm

0.33 – 1.5mm

Analog
output

1803594

Phoenix Contact

0.4 x 2.5mm

0.23Nm

7mm

0.2 – 1.5mm

System relay

1803581

Phoenix Contact

0.4 x 2.5mm

0.23Nm

7mm

0.2 – 1.5mm

RS-422/485

1803604

Phoenix Contact

0.4 x 2.5mm

0.23Nm

7mm

0.2 – 1.5mm

Relays

1946570000

Weidmuller

0.6 x 3.5mm

0.45Nm

7mm

0.2 – 2.5mm

Summary of Contents for EGD-LT

Page 1: ...EasyGrid LT User Guide EasyGrid LT EGD LT User Guide MAN 00095...

Page 2: ...its use No license is granted by implication or otherwise under any patent rights of FISO FISO s Commerce and Government Entities CAGE code under the North Atlantic Treaty Organization NATO is L0294...

Page 3: ...Display Description 9 4 8 Navigation Flow chart 17 4 9 LED Indicators 18 4 10 4 10 1 System Status LED 18 4 10 2 Communication Status LED 18 4 10 3 Relay Alarm Status LED 19 4 10 4 Sensor Channel Sta...

Page 4: ...EasyGrid LT User Guide iv Exclusions 34 8 3 Certification 34 8 4 Transportation 35 8 5 FISO Service Center 35 8 6 Product disposal 35 8 7...

Page 5: ...uropean Union Directive and Standards Tests were performed externally at an independent accredited laboratory This guarantees the unerring objectivity and authoritative compliance of all test results...

Page 6: ...IEC 60255 22 4 2008 Electrical fast transient immunity EFT 4kV Power Lines 4kV I O IEEE C37 90 1 2012 Fast Transient Surge Withstand Capability 4kV Power Lines 4kV I O IEC 61000 4 5 2005 IEC 60255 22...

Page 7: ...adiation is below the level known to cause eye injury through accidental short term exposure However avoid prolonged exposure to light emitted from the fiber and do not stare directly at a light beam...

Page 8: ...e written instructions provided Unpacking and Inspection 3 3 The EasyGrid LT monitor is shipped inside a carton designed to give maximum protection during shipment If the outside of the shipping carto...

Page 9: ...it has multiple serial interfaces 1x USB and 1 x RS485 and 1x optional Ethernet communication port Standard supported communication protocols are Nortech and MODBUS Optional supported communication pr...

Page 10: ...nit 1 Make sure that power is off when connecting the power supply to the unit 2 Connect the unit to the power supply using terminal block connectors V V 3 Wire the power input terminal block to a pow...

Page 11: ...nnectors Always clean the fiber tip prior to insertion into the connector for optimum performance For details on connector handling and maintenance please refer to Cleaning Procedure section To connec...

Page 12: ...he display menus Temp Displays the real time temperature read by the sensor or the sensor state when in error Analog Output Displays the real time analog output in mA read for each sensor Alarm Displa...

Page 13: ...firmware version System Status Displays the state of the system when in error please refer to the trouble shooting section System Temperature Displays the current internal system temperature inside t...

Page 14: ...currently in reading Alarm Description Off Alarm conditions are not met On Alarm conditions are met Exert Alarm is currently in exerciser mode this is to exercise the relay associated to the alarm wi...

Page 15: ...80 Not very good Signal Description Sensor connect directly without patch cord or Easy Through Signal 88 Excellent 80 Signal 88 Good Signal 80 Not very good Sensor with a patch cord and or Easy Throu...

Page 16: ...Channel as not yet an average value or is disable Statistic Execute reset action if confirm into the next window Confirm and go back to Temperature window Description Reset Reset the maximum minimum a...

Page 17: ...ot yet ready Led Amber Channel is in reference mode Led Amber Blinking Sensor signal or light quality is good or is acquiring a new reference Led Red Error situation Led Red Blinking Sensor signal or...

Page 18: ...19200 Factory Default Execute reset action if confirm into the next window Confirm and go back to window Temperature Description Reset Reset all the channel enable offset reference and analog output c...

Page 19: ...Nortech 115200 bps or Modbus 19200 bpsor 9600 bps Address Device current address Config First Info data bits 8 bits Second Info Parity N None E Even O Odd Third Info stop bits 1 bit or 2 bits Date Ti...

Page 20: ...EasyGrid LT User Guide 16 Confirmation No Cancel the current action Yes Confirm the current action Description Confirmation required for certain action execution C o n f i r m N o Y e s Confirmation...

Page 21: ...EasyGrid LT User Guide 17 Navigation Flow chart 4 9...

Page 22: ...0 protocol in function Amber Steady Nortech protocol in function Red Steady System Error or at least one sensor is Faulty When the LED blinks red an error situation related to the unit has occurred Re...

Page 23: ...mode is selected the CH LED is green Each numbered LED corresponds to a sensor For example LED 1 corresponds to channel 1 LED 2 corresponds to channel 2 and so on The different LED states are Color St...

Page 24: ...g analog outputs For a run of 100 m or less recommended gage is 24 AWG or greater The longer the run the smaller the recommended gage will be Recommendations call for shielded wire or for installation...

Page 25: ...guration Switch RS 422 Mode RS 485 Mode RS422 RS485 Must be Left Must be Right RS422 RS485 Must be Left Must be Right RS485 EOL R Must be Left Right Adds a 120 End of Line resistor Left No end of line...

Page 26: ...characteristic impedance value as the twisted wire used on the 485 network RS485 network termination resistors typical values are respectively 120 and Watt In Nortech mode it is possible to connect up...

Page 27: ...EasyGrid LT User Guide 23 Physical dimensions 4 13...

Page 28: ...Part number Manufacturer Recommended screwdriver blade Recommended torque Recommended strip length Wire size range Power 1827635 Phoenix Contact 0 4 x 2 5mm 0 23Nm 7mm 0 33 1 5mm2 Analog output 180359...

Page 29: ...have 15W available for all the working temperature Power supply The EasyGrid LT has the following power requirement Voltage 24 Vdc 5 Power consumption 15 Watts FISO recommends the use of Power Supply...

Page 30: ...are internally connected to the power supply ground and that ground is internally connected to the system GND at the M5 GND stud bottom left of the EasyGrid LT case The cables shields must be grounded...

Page 31: ...arm on the system relay the relay close the circuit between the common C and the normally close NC terminal power failure or invalid reading of an active temperature channel or internal error of the E...

Page 32: ...ing the link in one place You could use the integrated pull up and pull down resistors of the EasyGrid LT To do so place the Off RS485 Pull Up and the Off RS485 Pull Down dip switch to the right A and...

Page 33: ...EasyGrid LT User Guide 29...

Page 34: ...elays are open in alarm With failsafe operation a power failure equals an alarm For non failsafe operation the following are true Under non alarm conditions the relay closes the circuit between the co...

Page 35: ...EasyGrid LT User Guide 31 6 Nortech Client Software Please refer to the Nortech Client software guide included on the CD...

Page 36: ...ement display mode EasyGrid LT displays Code Error Description Possible Cause Possible Solution Low Error 1 Signal Too Low out of range Measured temperature is lower than the minimum permitted tempera...

Page 37: ...ubleshooting section The Light is related to the strength of the light required to make an accurate reading on a sensor A sharp increase of the light value could indicate one of the following problems...

Page 38: ...n removed The case has been opened The equipment serial number has been altered erased or removed The equipment has been misused neglected or damaged by accident Liability 8 2 FISO shall not be liable...

Page 39: ...original packing material when shipping Keep the unit out of direct sunlight Avoid unnecessary shock and vibration FISO Service Center 8 6 If your product requires servicing contact your local FISO s...

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