Chapter 3 OPERATION USING THE KEYPAD
Contents
1. PID output 8 4 Load factor 6 Analog input 1 A value exceeding 9999 cannot be displayed on the 4 digit LED monitor screen so L 7 7 segment letters appear instead 2 For displaying an output voltage on the LED monitor the 7 segment letter is used in the lowest digit as an alternative expression of the unit of the V volt 8 These PID related items appear only when the inverter PID controls the motor according to a PID process command specified by the function code J01 1 or 2 4 When the LED monitor displays a PID process command or its output amount the dot decimal point attached to the lowest digit of the 7 segment letter blinks 5 When the LED monitor displays a PID feedback value the dot decimal point attached to the lowest digit of the 7 segment letter lights 6 For displaying a load factor on the LED monitor the 7 segment letter _ is used in the lowest digit as an alternative expression of the unit of 7 When the LED monitor displays the motor output the unit LED indicator kW blinks 8 Analog input monitoring becomes active only when any data of the function codes E61 E62 and E63 is effective 20 to define a terminal function 3 4 3 3 2 Setting up frequency and PID process commands You can set up the desired frequency and PID process commands by using the e and Q keys on the keypad It is also possibl2. 4 4 4 4 4 7 o 1 6 3 i g G Y v v v v Y 1 S ic Eel ele i i i i i ft ES uw us d us x 3 Hs Bplay i El ri 2 Re ied Butt ARS RM EUEHE NC z Basic key operation For details of the basic key operation refer to Menu 0 Quick Setup in Section 3 4 1 3 15 3 4 8 Checking changed function codes Menu 2 Data Checking Menu 2 Data Checking in Programming mode allows you to check function codes that have been changed Only the function codes whose data has been changed from the factory defaults are displayed on the LED monitor You can refer to the function code data and change it again if necessary Figure 3 7 shows the menu transition in Menu 2 Data Checking Power ON j Running mode e Mil co 1 mode i i Fnc List of function codes Function code data i r Oi i OO iS c i 1 ae rs cni 1 Ca cr lt rout he amp ONTO SALE Save data and go to the next function code gt ann cu n 3t n D E Go to the next function code m un Pu db Go to the next function code 34 Pressing the Gm key when the 57 data is displayed returns to E Figure 3 7 Menu Transition in Menu 2 Data Checking Changing F
3. 1 Turn the inverter on It automatically enters Running mode In that mode press the amp key to switch to Programming mode The function selection menu appears 2 Use the and keys to display Alarm Information 57 3 Press the key to proceed to a list of alarm codes e g In the list of alarm codes the alarm information for the last 4 alarms is saved as an alarm history m LLL d 4 Each time the A or Q key is pressed the last 4 alarms are displayed in order from the most recentoneas and 7 5 While the alarm code is displayed press the amp 9 key to have the corresponding alarm item number e g amp LiLi and data e g Output frequency displayed alternately in intervals of approximately 1 second You 524 can also have the item number e g amp _ and data e g Output current for any other item displayed using the 3 and keys 6 Press the key to return to a list of alarm codes Press the key again to return to the menu LED monitor shows item No Table 3 19 Alarm Information Displayed Item displayed Output frequency Description Output frequency Output current Output current Output voltage Output voltage Calculated torque Calculated motor output torque Reference frequency Frequency specified by frequency command Rotational direction This shows the rotational direction being output Running status This shows the running st
4. Table 3 18 Continued Description Shows the total number of errors that have occurred in standard RS485 commu nication via the RJ 45 connector as standard since the power is turned on Once the number of errors exceeds 9999 the count returns to 0 Content of RS485 commu nications error standard Shows the latest error that has occurred in standard RS485 communication in decimal format For error contents refer to the RS485 Communication User s Manual MEH448a No of option errors Shows the total number of optional communications card errors since the power is turned on Once the number of errors exceeds 9999 the count returns to 0 Inverter s ROM version Shows the inverter s ROM version as a 4 digit code Keypad s ROM version Shows the keypad s ROM version as a 4 digit code No of RS485 errors option Shows the total number of errors that have occurred in optional RS485 commu nication since the power is turned on Once the number of errors exceeds 9999 the count returns to 0 Content of RS485 commu nications error option Shows the latest error that has occurred in optional RS485 communication in decimal format For error contents refer to the RS485 Communication User s Manual MEH448a Option s ROM version Shows the option s ROM version as a 4 digit code Cumulative motor run time Shows the content of the cumulative power ON time counter of t
5. d DILE amp Se 1 Programming K mode e ale Fnc 4 gt Di 7 i m X is lek ea aoe a 8 FDE SAUE Kk Save data and go to the next function code Figure 3 5 Example of Function Code Data Changing Procedure 3 4 2 Setting up function codes Menu 1 Data Setting Menu 1 Data Setting in Programming mode allows you to set up function codes for making the inverter func tions match your needs To set function codes in this menu it is necessary to set function code E52 to 0 Function code data editing mode or 2 Full menu mode 3 14 Figure 3 6 shows the menu transition in Menu 1 Data Setting z o 9 o a Running mode e s E F 0 a oll gt S D ell as ee EA AEE Ee eee ae ea te As SSS NAD Rs S EUH S S D E E o 9 2 S Kk o Es B x at ig amp e o a eo ud Z 8 y Y Y Y 2 t 3 S s ME n rl ziim mij a ti om 1 nq on 2 t E31 1 oe ME Ss LoL RL Ghia c m SL mS c n cal S 5 u u u wwf u eao ea aaea alol ajla 5 E iz A A A A A A o 5 ail 88 tH woo 4
6. Motor Functions for setting up characteristics pa parameters rameters such as capacity of the motor H codes H03 to H98 High perform Highly added value functions ance functions Functions for sophisticated control J codes J01 to J22 Application Functions for applications such as PID functions Control y codes y01 to y99 Link Functions for controlling communication functions o codes 027 to 059 Optional Functions for options Note functions Note The o codes are displayed only when the corresponding option is mounted For details of the o codes refer to the Instruction Manual for the corresponding option LL For the list of function codes subject to quick setup and their descriptions refer to Chapter 5 Section 5 1 Function Code Tables B Function codes requiring simultaneous keying To modify the data for function code F00 Data protection HO3 Data initialization or H97 Clear alarm data simultaneous keying is needed involving the 6 A keys or 6 keys m Changing validating and saving function code data when the inverter is running Some function code data can be changed while the inverter is running whereas others cannot Further depending on the function code modifications may or may not validate immediately For details refer to the Change when running column in Chapter 5 Section 5 1 Function Code Tables LI For details of function codes refer to Chapter 5 Sectio
7. Analog input i E g 82 08 i Alarm mode Current alarm code E g OE eI Latest alarm code mas E g LOUE Alarm occurs 2nd latest alarm code E g 2 iui 3rd latest alarm code E g 3094 1 In speed monitor you can have any of the following displayed according to the setting of function code E48 Output frequency Hz Motor speed r min Load shaft speed r min and Speed 96 2 Applicable only when PID control is active J01 1 or 2 3 Applicable only when the analog signal input monitor is assigned to any terminals 12 C1 or V2 by E61 E62 or E63 20 4 Applicable only when the full menu mode is active E52 2 Figure 3 2 Transition between Basic Display Frames by Operation Mode 3 3 3 3 Running Mode When the inverter is turned on it automatically enters Running mode In this mode you can 1 Monitor the running status e g output frequency output current 2 Set up the frequency command and others and 3 Run stop the motor 3 3 4 Monitoring the running status In Running mode the eleven items listed below can be monitored Immediately after the inverter is turned on the monitor item specified by function code E43 is displayed Press the key to switch between monitor items For details of switching the monitor item by using the key refer to Monitoring of Running Status
8. S converted from the PID process command using and E41 data PID display coefficients A and B D process command x Coefficient A B B If PID control is disabled appears PID feedback value Virtual physical va controlled which i function code E40 Display value P ue e g temperature or pressure of the object to be S converted from the PID process command using and E41 data PID display coefficients A and B D feedback value x Coefficient A B B If PID control is disabled appears m Displaying running status To display the running status in hexadecimal format each state has been assigned to bits 0 to 15 as listed in Table 3 12 Table 3 13 shows the relationship between each of the status assignments and the LED monitor display Table 3 14 gives the conversion table from 4 bit binary to hexadecimal Notation Table 3 12 Running Status Bit Assignment Content 1 when function code data is being writ ten Notation Content 1 under voltage limiting control Always 0 Always 0 Always 0 1 when the DC link bus voltage is higher than the undervoltage level 1 when communication is enabled when ready for run and frequency commands via communications link 1 during braking 1 when an alarm has occurred 1 when the inverter output is shut down 1 during deceleration 1 during DC braking 1 during acceleration 1 d
9. Simultaneous keying means pressing two keys at the same time The FRENIC Eco supports simultaneous keying as listed below The simultaneous keying operation is expressed by a letter between the keys throughout this manual For example the expression Go A keys stands for pressing the A key while holding down the key Table 3 2 Simultaneous Keying Operation mode Simultaneous keying Used to 6o m A keys Change certain function code data Programming Refer to codes F00 H03 and H97 in Chapter 5 FUNCTION mode 6o Q keys CODES Switch to Programming mode without resetting alarms currently keys occurred Alarm mode 3 2 Overview of Operation Modes FRENIC Eco features the following three operation modes W Running mode This mode allows you to enter run stop commands in regular operation You can also monitor the running status in real time W Programming mode This mode allows you to set function code data and check a variety of information relating to the inverter status and maintenance W Alarm mode If an alarm condition arises the inverter automatically enters the Alarm mode In this mode you can view the corresponding alarm code and its related information on the LED monitor Alarm code Indicates the cause of the alarm condition that has triggered a protective function For details refer to Chapter 8 Section 8 6 Protective Functions Figure 3 1 shows the status transition of the inverter
10. blinking will gradually move to the upper digit places and the upper digits will be changeable If you press the 3 Q key once and then hold down the key for more than 1 second after the lowest digit starts blinking blinking will move to the next upper digit place to allow you to change the value of that digit cursor movement This way you can easily change the values of the higher digits By setting function code C30 to 0 Enable AIO keys on keypad and selecting frequency com mand 2 you can also specify or change the frequency command in the same manner using the a Okey You can set up a frequency command not only with the frequency Hz but also with other menu items Motor speed load shaft speed and speed depending on the setting of function code E48 3 4 or 7 Speed monitor items as shown in Table 3 3 3 5 W Make setting under PID control To enable PID control you need to set function code J01 to 1 or 2 Under the PID control the items that can be set or checked with the and keys are different from those under regular frequency control depending upon the current LED monitor setting If the LED monitor is set to the speed monitor E43 0 you can access manual speed commands Frequency command with the A and Q keys if it is set to any other you can access the PID process command with those keys LL Refer to the FRENIC Eco User s Manual MEH456 Chapter 4 Section 4 9 PID Frequency Command Gene
11. in Figure 3 2 Transition between Basic Display Frames by Operation Mode Table 3 3 Monitoring Items Display Sample on LED indicator the LED E on O off monitor 1 Function code E48 specifies what to be displayed on the LED monitor and LED indicators Output frequency SOO MHz OA OkW Hz Frequency actually being output 120 P01 Load shaft speed AM NH Output frequency Hz x E50 Monitor Items Unit Meaning of Displayed Value Speed monitor Motor speed 5 MHz WA Output frequency x Output frequency x10 Spese sun He Maximum frequency Output current Hz A Current output from the inverter in RMS Output voltage 2 F Hz V Voltage output from the inverter in RMS Calculated output torque Hz Motor output torque in Calculated value Input power c5 Hz Input power to the inverter PID process command nnn H PID process command feedback value 3 4 E a transformed to that of virtual physical value of the object to be controlled e g Tem PID feedback value H perature 3 5 EIE z Refer to the function codes E40 and E41 for details PID output in as the maximum frequency F03 being at 100 Load factor of the motor in as the rated output being at 100 Motor output Motor output in kW Analog input signal to the inverter trans formed by E40 and E41 Refer to the function codes E40 and E41 for details
12. rotational direction Table 3 6 Motor Rotational Direction Specified by F02 Data for F02 Pressing the vy key runs the motor 0 In the direction commanded by the terminal FWD or REV key disabled The motor is driven by terminal command FWD or REV Note The rotational direction of In the forward direction IEC compliant motors is opposite to that of the motor shown here In the reverse direction LL For the details on operations with function code F02 refer to Chapter 5 FUNCTION CODES Note When the keypad is in use for specifying the frequency settings or driving the motor do not disconnect the keypad from the inverter when the motor is running Doing so may stop the inverter 3 8 W Remote and local modes The inverter can be operated either in remote or local mode In remote mode that applies to ordinary operation the inverter is driven under the control of the data settings stored in the inverter whereas in local mode that applies to maintenance operation it is separated from the control system and is driven manually under the control of the keypad Remote mode The run and frequency commands are selected by source switching signals including function codes run command 2 1 signals and communications link operation signal Local mode The command source is the keypad regardless of the settings specified by function codes The keypad takes precedence over the settings specified by r
13. For the open close states of FWD REV X1 through X5 circuits refer to the setting of the SINK SOURCE slide Switch in Chapter 2 Table 2 11 Symbols Names and Functions of the Control Circuit Terminals XF XR and RST are assigned for communication Refer to m Displaying control I O signal terminals under communications control on the next page 3 22 e Displaying I O signal status in hexadecimal format Each I O terminal is assigned to bit 15 through bit 0 as shown in Table 3 17 An unassigned bit is interpreted as 0 Allocated bit data is displayed on the LED monitor in 4 hexadecimal digits to each With the FRENIC Eco digital input terminals FWD and REV are assigned to bit O and bit 1 respectively Terminals X1 through X5 are assigned to bits 2 through 6 The bit is set to 1 when the corresponding input terminal is short circuited ON and is set to 0 when it is open OFF For example when FWD and X1 are on short circuited and all the others are off open 77 5 is displayed on LED4 to LED1 For the open close states of FWD REV X1 through X5 circuits refer to the setting of the SINK SOURCE slide Switch in Chapter 2 Table 2 11 Symbols Names and Functions of the Control Circuit Terminals Digital output terminal Y1 to Y3 are assigned to bits 0 to 2 Each bit is set to 1 when the terminal is short circuited with CMY and 0 when it is open The status of the rela
14. Temperatures below 20 C are displayed as 20 C Max temperature of heat sink Shows the maximum temperature of the heat sink for every hour Unit C Temperatures below 20 C are displayed as 20 C Max effective output current Shows the maximum current in RMS for every hour Unit A amperes Capacitance of the DC link bus capacitor Shows the current capacitance of the DC link bus capacitor reservoir capacitor in based on the capacitance when shipping as 100 Refer to Chapter 7 MAINTENANCE AND INSPECTION for details Unit Cumulative run time of electrolytic capacitor on the printed circuit board Shows the content of the cumulative run time counter of the electrolytic capacitor mounted on the printed circuit board The display method is the same as for Cumulative run time 5_ 7 above However when the total time exceeds 65535 hours the count stops and the display remains at 65 53 Cumulative run time of the cooling fan Shows the content of the cumulative run time counter of the cooling fan This counter does not work when the cooling fan ON OFF control function code H06 is enabled but the fan does not run rw The display method is the same as for Cumulative run time 5_ 77 above However when the total time exceeds 65535 hours the count stops and the display remains at 65 53 Number of startups Shows the content o the cumulative counter of
15. follows W In Running mode Pressing this key switches the information to be displayed concerning the status of the inverter output frequency Hz output current A output voltage V etc E n Programming mode Pressing this key displays the function code and sets the data entered with the e 1a key E In Alarm mode Pressing this key displays the details of the problem in dicated by the alarm code that has come up on the LED monitor RUN key Press this key to run the motor STOP key Press this key to stop the motor Q UP and DOWN keys Press these keys to select the setting items and change the function code data displayed on the LED monitor RUN LED Lights when any run command to the inverter is active KEYPAD CONTROL LED Lights when the inverter is ready to run with a run command entered by the Ruy key In Programming and Alarm modes you cannot run the inverter even if the indicator lights LED Indicators Unit and mode expression by the three LED indicators The lower 3 LED indicators identify the unit of numeral displayed on the LED monitor in Running mode by combination of lit and unlit states of them Unit kW A Hz r min and m min Refer to Chapter 3 Section 3 3 1 Monitoring the running status for details While the inverter is in Programming mode the LEDs at both ends of the lower indicators light In Programming mode II Hz OA IIKW 3 1 Simultaneous keying
16. other occurrences inbetween will be discarded Only the number of consecutive occurrences will be updated 3 4 8 Data copying information Menu 7 Data Copying Menu 7 Data Copying is used to read function code data out of an inverter for which function codes are already set up and then to write such function code data altogether into another inverter or to verify the function code data stored in the keypad with the one registered in the inverter This subsection introduces restrictions and special notes concerning Data Copying E f data copying does not work Check whether cr err ID or L is blinking 1 If i is blinking a write error any of the following problems has arisen No data exists in the keypad memory No data read operation has been performed since shipment or a data read operation has been aborted Data stored in the keypad memory contains any error The models of copy source and destination inverters are different Adata write operation has been performed while the inverter is running The copy destination inverter is data protected function code F00 1 n the copy destination inverter the Enable write from keypad command WE KP is off A Read data operation has been performed for the inverter whose data protection was enabled 3 29 2 If CAE is blinking any of the following problems has arisen The function codes stored in the keypad and ones registered in th
17. to select the desired function then press the key to execute the selected func tion e g X will blink 5 When the selected function has been executed r appears Press the key to return to the data copying function list Press the key again to return to the menu W Data protection You can protect data saved in the keypad from unexpected modifications Enabling the data protection that was disabled changes the display on the Data copying function list to Zi7 5 and disables to read data from the inverter To enable or disable the data protection follow the next steps 171 71 Pu 1 Select the data copy 5 In the Program mode menu 2 Holding the amp 9 key down for 5 seconds or more alternates data protection status between enabled or disabled Disabling the enabled Data protection mra Hold key down for 5 seconds ntes Prof rEAd 7I IL While running the Data copying 77 75 function holding the G key down for 5 seconds displays 57 after appearing i temporarily to complete disabling the Data protection Enabling the disabled Data protection moet Hold e key down for 5 seconds P ERa H Prof While running the Data copying 77 75 function holding the e key down for 5 seconds displays F a 1 4n after appearing 5 temporarily to complete disabling the Data protection Table 3 20 belo
18. 01 F05 and E52 data only Basic key operation For details of the basic key operation refer to Menu 1 Quick Setup in Section 3 4 1 Tip To check function codes in Menu 2 Data Checking it is necessary to set function code E52 to 1 Function code data check mode or 2 Full menu mode For details refer to IB Limiting menus to be displayed on page 3 11 3 4 4 Monitoring the running status Menu 3 Drive Monitoring Menu 3 Drive Monitoring is used to monitor the running status during maintenance and trial running The display items for Drive Monitoring are listed in Table 3 11 Figure 3 8 shows the menu transition in Menu 3 Drive Monitoring Power ON aaah Milos te i mode 1 i DF List of monitoring items Running status info OO e i 2zonc sm gt an m Output Aat j I O fe 49 50 frequency Ann olte J B 12 34 Output current 3 03 e gt mmm PID feedback 3H fe 2 value Figure 3 8 Menu Transition in Menu 3 Drive Monitoring Basic key operation To monitor the running status on the drive monitor set function code E52 to 2 Full menu mode beforehand 1 Turn the inverter on It automatically enters Running mode In that mode press the key to switch to Programming mode The function selection menu appears Use the S and keys to displ
19. 85 or other optional commu nications can be displayed in two ways with ON OFF of each LED segment and in hexadecimal format The content to be displayed is basically the same as that for the control I O signal terminal status display however XF XR and RST are added as inputs Note that under communications control the I O display is in normal logic using the original signals not inverted LL Refer to the RS485 Communication User s Manual MEH448a for details on input commands sent through RS485 communications and the instruction manual of communication related options as well 3 4 6 Reading maintenance information Menu 5 Maintenance Information Menu 5 Maintenance Information contains information necessary for performing maintenance on the inverter Table 3 18 lists the maintenance information display items and Figure 3 10 shows the menu transition in Menu 5 Maintenance information Power ON Running mode ist of maintenance items Maintenance info gt m m Cumulative Li d I run time DC link bus 5 0 e emn voltage j m e gt mamm Option s 5 13 k H Y ROM version 5 23 gt l amam Cumulative run sec BES time of the motor Figure 3 10 Menu Transition in Menu 5 Maintenance Information Basic key operation To view the maintenan
20. Chapter 3 OPERATION USING THE KEYPAD 3 1 LED Monitor Keys and LED Indicators on the Keypad As shown at the right the keypad consists of 7 segment a four digit LED monitor six keys and five LED indicators The keypad allows you to run and stop the motor monitor running status and switch to the menu mode In the menu mode you can set the function code data monitor I O signal states maintenance information and Reset key alarm information LED Monitor Keys and LED Indicators LED Monitor LED monitor LED indicators Program RUN key Function STOP key Data key Up key Down key Table 3 1 Overview of Keypad Functions Functions Four digit 7 segment LED monitor which displays the following according to the operation modes m In Running mode Running status information e g output frequency cur rent and voltage m In Programming mode Menus function codes and their data m In Alarm mode Alarm code which identifies the error factor if the protec tive function is activated Program Reset key which switches the operation modes of the inverter m In Running mode Pressing this key switches the inverter to Programming mode m In Programming mode Pressing this key switches the inverter to Running mode m In Alarm mode Pressing this key after removing the error factor will switch the inverter to Running mode Function Data key which switches the operation you want to do in each mode as
21. I O terminals Refer to circuit terminals E Displaying control I O signal terminals on the next page for details Shows the ON OFF state for the digital I O terminals that received a I O signals on the contro command via RS485 and optional communications Refer to circuit terminals under B Displaying control I O signal terminals and m Displaying communication control control I O signal terminals under communications control on the following pages for details Input voltage on terminal 12 Shows the input voltage on terminal 12 in volts V Input current on terminal C1 Shows the input current on terminal C1 in milliamperes mA Output voltage to analog Shows the output voltage on terminal FMA in volts V meters FMA Output voltage to digital me Shows the output voltage on terminal FMP in volts V ters FMP Pulse rate of FMP Shows the output pulse rate on terminal FMP in p s pulses per second ut voltage on terminal V2 Shows the input voltage on terminal V2 in volts V put current to analog Shows the output current on terminal FMA in mA ters FMA put current to analog Shows the output current on terminal FMI in mA ters FMI Theinverter has either FMP or FMI depending on the type of the control printed circuit board control PCB The control PCB with a screw terminal base has FMP and it does not display LIF the one with a Eu
22. Item Switching at approx Error sub code cor 1 second intervals n ocifl fe st LI Latest alarm code e gt Same as above Eg iUc i 2nd latest alarm code e gt S ame as above Eg 2 LU lt 3rd latest alarm code e gt Same as above E g 304 E D List of alarm codes Running status info at the time an alarm occurred Figure 3 13 Menu Transition in Alarm Mode
23. LED monitor indicates the corresponding menu number and the remaining three digits indicate the menu contents When the inverter enters Programming mode from the second time on the menu selected last in Programming mode will be displayed Table 3 8 Menus Available in Programming Mode LED monitor Main functions shows Displays only basic function codes to customize the inverter Section 1 PCIE Quick Setup Lu ric operation 3 4 1 F codes Fundamental functions E codes Extension terminal functions C codes Control functions of frequency Selecting each of these P codes function codes enables its Section Motor parameters data to be dis 3 4 2 played changed Data Setting H codes High performance functions J codes Application functions y codes Link functions o code Optional function Note Displays only function codes that have been changed from their Data Checking i factory defaults You can refer to or change those function code data Drive Monitor Displays the running information required for maintenance or ing test running O Checking Displays external interface information Maintenance Displays maintenance information including cumulative run time Information uid Alarm Informa 25 Displays the latest four alarm codes You may refer to the run tion ning information at the time when the alarm occurred All
24. atus in hexadecimal Refer to B Displaying running status in Section 3 4 4 Cumulative run time Shows the content of the cumulative power ON time counter of the in verter Unit thousands of hours Display range 0 001 to 9 999 10 00 to 65 53 When the total ON time is less than 10000 hours display 0 001 to 9 999 data is shown in units of one hour 0 001 When the total time is 10000 hours or more display 10 00 to 65 53 it is shown in units of 10 hours 0 01 When the total time exceeds 65535 hours the counter will be reset to 0 and the count will start again No of startups Shows the content of the cumulative counter of times the inverter is started up i e the number of run commands issued 1 000 indicates 1000 times When any number from 0 001 to 9 999 is displayed the counter increases by 0 001 per startup and when any number from 10 00 to 65 53 is counted the counter increases by 0 01 every 10 startups When the counted number exceeds 65535 the counter will be reset to 0 and the count will start again DC link bus voltage Shows the DC link bus voltage of the inverter main circuit Unit V volts Temperature inside the inverter Shows the temperature inside the inverter when an alarm occurs Unit C Max temperature of heat sink Shows the temperature of the heat sink Unit C LED monitor shows item No Item displayed Terminal I O signal status displaye
25. ay Drive Monitoring la Press the amp key to proceed to a list of monitoring items e g 7 7 Use the A and Q keys to display the desired monitoring item then press the key The running status information for the selected item appears Press the key to return to a list of monitoring items Press the key again to return to the menu 3 17 LED monitor Output frequency Output frequency Table 3 11 Drive Monitor Display Items Description Output current Output current Output voltage Output voltage Calculated Torque Calculated output torque of the loaded motor in Reference fre quency Frequency specified by a frequency command Rotational direction Rotational direction being outputted forward reverse stop Running status Running status in hexadecimal format Refer to Bi Displaying running status on the next page Motor speed Display value Output frequency Hz x 120 Function code P01 Load shaft speed Display value O The 7 segment letters appear for 10000 r min or more If C J utput frequency Hz x Function code E50 E appear decrease function code E52 data so that the LED monitor dis plays 9999 or belo w referring to the above equation PID process command Virtual physical va controlled which i function code E40 Display value P ue e g temperature or pressure of the object to be
26. between these three operation modes Power ON Setting of function codes Run Stop of motor Monitor of running status Monitor of running status l O signal states and maintenance info VON e 7 4 4 7 5 y Y S A 6 6 x N D e Occurrence N 7 7 1 es s s ofanalam NC low Press this key if an alarm has occurred Display of alarm status Figure 3 1 Status Transition between Operation Modes Figure 3 2 illustrates the transition of the LED monitor screen during Running mode the transition between menu items in Programming mode and the transition between alarm codes at different occurrences in Alarm mode 3 2 Power ON Running mode Programming mode Menu driven Monitoring of running status N a Speed monitor Hz C0 Eg 52a eger mam LI Wo N Quick Setup amp l Menu 0 Output current A E g 234 ERSTE EET Input power KW LF summ Menu 1 Calculated torque BEES Eg ss E Data Checkin Output voltage V Menu 2 2 er 9 E g eu eo Drive Monitoring jc Te Menu 3 oft 9 85 I O Checking Menu 4 Yoo je udo ee nee 2 Maintenance Info PID process command Menu 5 LHE Eg G5 i pe i PID feedback value us Eg 30i i PID output Manue E g 190 0 03
27. ce information set function code E52 to 2 Full menu mode beforehand 1 Turn the inverter on It automatically enters Running mode In that mode press the key to switch to Programming mode The function selection menu appears Use the 3 and keys to display Maintenance Information 5 7 HE Press the amp key to proceed to a list of maintenance item codes e g 5 77 Use the A and Q keys to display the desired maintenance item then press the key The data of the corresponding maintenance item appears 5 Press the key to return to a list of maintenance items Press the key again to return to the menu EGS 3 24 LED Monitor shows Table 3 18 Display Items for Maintenance Information Cumulative time Description Shows the content of the cumulative power ON time counter of the inverter Unit thousands of hours Display range 0 001 to 9 999 10 00 to 65 53 When the total ON time is less than 10000 hours display 0 001 to 9 999 data is shown in units of one hour 0 001 When the total time is 10000 hours or more display 10 00 to 65 53 itis shown in units of 10 hours 0 01 When the total time exceeds 65535 hours the counter will be reset to 0 and the count will start again DC link bus voltage Shows the DC link bus voltage of the inverter main circuit Unit V volts Max tempera ture inside the inverter Shows a maximum temperature inside the inverter for every hour Unit C
28. d with the ON OFF of LED seg ments Terminal input signal status in hexadecimal format Terminal output signal status in hexa decimal format Table 3 19 Continued Description Shows the ON OFF status of the digital I O terminals Refer to Bi Displaying control I O signal terminals in Section 3 4 5 Checking I O signal status for details No of consecutive oc currences This is the number of times the same alarm occurs consecutively Overlapping alarm 1 Simultaneously occurring alarm codes 1 7 is displayed if no alarms have occurred Overlapping alarm 2 Simultaneously occurring alarm codes 2 7 is displayed if no alarms have occurred Terminal I O signal status under communication con trol displayed with the ON OFF of LED segments Terminal input signal status under communication con trol in hexadecimal format Terminal output signal status under communica tion control in hexadecimal format Shows the ON OFF status of the digital I O terminals under RS485 communications control Refer to Ii Displaying control I O signal terminals under communications control in Section 3 4 5 Checking I O signal status for details Note Error sub code Secondary error code for the alarm When the same alarm occurs repeatedly in succession the alarm information for the first and last occurrences will be preserved and the information for
29. e inverter are not compatible with each other Either of the two may have been revised or upgraded in a non standard or incompatible manner Contact your Fuji Electric representative Figure 3 12 shows the menu transition in Menu 7 Data Copying The keypad can hold function codes for just one inverter Power ON Bfoc eMe List of copying functions Deta Copying Status i n rpy p Hi j rE EndoriSad E LP i EA Peg End of read End ILLI ere k ALO CoP gt CoPi l End x a J End of write Z 5 Write error Incompatible or code rN GIO n Lien gt Eck rr j HEr 1 Enar End Al toite Ee verification be saved or Verification error F G5 isin F GS verification error i i shows Blinking Figure 3 12 Menu Transition in Menu 7 Data Copying Basic keying operation 1 Turn the inverter on It automatically enters Running mode In that mode press the amp 9 key to switch to Programming mode The function selection menu appears 2 Use the and keys to display Data Copying 77 7 3 Press the RE key to proceed to a list of copying functions e g Ai 4 Use the e and Q keys
30. e to set up the frequency command as load shaft speed motor speed or speed by setting function code E48 W Setting up a frequency command Using the e and Q keys Factory default 1 Set function code F01 to 0 Enable W O keys on keypad This can be done only when the inverter is in Running mode 2 Press the Q key to display the current reference frequency The lowest digit will blink 3 If you need to change the frequency command press the eG key again The new setting will be auto matically saved into the inverter s internal memory and retained even when the power is off When the power is turned on next time the setting will be used as an initial reference frequency Tip The frequency command can be saved either automatically as mentioned above or by pressing the key You can choose either way using function code E64 f you have set function code F01 to 0 Enable AIO keys on keypad but have selected a fre quency command other than frequency command 1 i e frequency command 2 frequency command via communication or multistep frequency command then the e Q keys are disabled to change the current frequency command even in Running mode Pressing either of these keys just displays the current reference frequency When you start specifying or changing the frequency command or any other parameter with the J Q key the lowest digit on the display blinks and starts changing As you are holding down the key
31. each running information will be displayed alternately Further you can view various pieces of information on the running status of the inverter using the A Q key The information displayed is the same as for Menu 6 Alarm Information in Programming mode Refer to Table 3 19 in Section 3 4 7 Reading alarm information Pressing the key while the running status information is displayed returns the display to the alarm codes Note When the running status information is displayed after removal of the alarm cause pressing the S key twice returns to the alarm code display and releases the inverter from the alarm state This means that the motor starts running if a run command has been received by this time W Switching to Programming mode You can also switch to Programming mode by pressing keys simultaneously with the alarm displayed and modify the function code data Figure 3 13 summarizes the possible transitions between different menu items Running Programming mode mode Alarm occurs Y E P 1 Le Item Switching at approx Output frequency Current alarm code A Enn second intervals San E g OLI lt OLI tO Item Switching at approx Output current cni 1 second intervals 1 2u DU e Miu
32. gment LED monitor the decimal point of the lowest digit is used to characterize what is displayed The decimal point of the lowest digit blinks when a PID process command is displayed the decimal point lights when a PID feedback value is displayed i Decimal point Table 3 4 PID Process Command Manually Set with the eG Key and Requirements PID Control Remote Process LED Monitor Command E43 J02 PID Control Selection J01 Multistep Frequency With the N C2 key SS4 PID process command by keypad 1or2 coge r Other than 0 ON or OFF P Other than 0 PID process command currently selected 3 6 Setting up the frequency command with the e and Q keys under PID control When function code F01 is set to 0 Enable QUO keys on keypad and frequency command 1 is selected as a manual speed command that is disabling the frequency setting command via communications link and multistep frequency command switching the LED monitor to the speed monitor in Running mode enables you to modify the frequency command with the keys In Programming or Alarm mode the eG keys are disabled to modify the frequency command You need to switch to Running mode Table 3 5 lists the combinations of the commands and the figure illustrates how the manual speed command 1 entered via the keypad is translated to the final frequency command The setting procedure is the same as that for setting of a usual frequency c
33. he motor The display method is the same as for Cumulative run time 5_ 777 above 3 26 3 4 7 Reading alarm information Menu 6 Alarm Information Menu 6 Alarm Information shows the causes of the past 4 alarms in alarm code Further it is also possible to display alarm information that indicates the status of the inverter when the alarm occurred Figure 3 11 shows the menu transition in Menu 6 Alarm Information and Table 3 19 lists the details of the alarm information Power ON vii RUN qr i Programming i mode i 1 1 1 FII eeme n x H i tnc List of alarm codes Running status info at the time 1 T C Ir an alarm occurred i Item m Output frequency i A D og DI gt Switching at approx LIL OE he 1 second intervals i 5 08 SG 1 Item Output current Switching at approx cn 1 second intervals I2 u DELI P tuo Med Item A Error sub code Mond at Approx second intervals Duc ler meros a M 7 CUL i le Same as above 3041 g id Same as above pote H LU Same as above Figure 3 11 Alarm Information Menu Transition 3 27 Basic key operation To view the alarm information set function code E52 to 2 Full menu mode beforehand 5 a ie coy cw
34. hex format 4g gt By LED segment ON OFF W O status in binary format eto UDD5 Input status in hex format GL Output status in hex format TOC e 5 0 Input voltage at terminal 12 V Hu UB L 5 4 Output current at terminal FMA mA Figure 3 9 Menu Transition in Menu 4 I O Checking Basic key operation To check the status of the I O signals set function code E52 to 2 Full menu mode beforehand 1 Turn the inverter on It automatically enters Running mode In that mode press the amp 9 key to switch to Programming mode The function selection menu appears Use the A and keys to display I O Checking 4 5 Press the key to proceed to a list of I O check items e g 5 77 Use the A and Q keys to display the desired I O check item then press the key The corresponding I O check data appears For the item 77 or using the and keys switches the display method between the segment display for external signal information in Table 3 16 and hexa decimal display for I O signal status in Table 3 17 5 Press the key to return to a list of I O check items Press the key again to return to the menu S95 Table 3 15 I O Check Items LED monitor shows Description I O signals on the contro Shows the ON OFF state of the digital
35. ing immediately aborts the operation and displays blinking Err appears blinking also when the keypad does not contain any valid data Enable Data Enables the Data protection of data stored in the inverter s memory protection In this state you cannot read any data stored in the inverter s memory but write data into the memory and verify data in the memory Upon pressing the key the inverter immediately displays 7 To get out of the error state indicated by a blinking or HE press the key 3 5 Alarm Mode If an abnormal condition arises the protective function is invoked to issue an alarm and the inverter automatically enters Alarm mode At the same time an alarm code appears on the LED monitor W Releasing the alarm and switching to Running mode Remove the cause of the alarm and press the key to release the alarm and return to Running mode The alarm can be removed using the key only when the alarm code is displayed W Displaying the alarm history It is possible to display the most recent 3 alarm codes in addition to the one currently displayed Previous alarm codes can be displayed by pressing the eG key while the current alarm code is displayed W Displaying the status of inverter at the time of alarm When the alarm code is displayed you may check various running status information output frequency and output current etc by pressing the key The item number and data for
36. ip Pressing the DIO key will cycle through the menu With the amp 9 key you can select the desired menu item Once the entire menu has been cycled through the display will return to the first menu item 3 11 3 4 4 Setting up basic function codes quickly Menu 0 Quick Setup Menu 0 Quick Setup in Programming mode allows you to quickly display and set up a basic set of function codes specified in Chapter 5 Section 5 1 Function Code Tables To use Menu 0 Quick Setup you need to set function code E52 to 0 Function code data editing mode or 2 Full menu mode The predefined set of function codes that are subject to quick setup are held in the inverter Listed below are the function codes including those not subject to quick setup available on the FRENIC Eco A function code is displayed on the LED monitor on the keypad in the following format L rw LILI ID number in each function code group Function code group Table 3 10 Function Codes Available on FRENIC Eco Function Code Group Function Function Description Codes F codes FOO to F44 Fundamental Functions concerning basic motor running functions E codes E01 to E99 Extension Functions concerning the assignment of terminal func control circuit terminals tions Functions concerning the display of the LED monitor C codes C01 to C53 Control func Functions associated with frequency set tions of fre tings quency P codes P01to P99
37. local mode automatically inherits the frequency settings used in remote mode If the motor is running at the time of the switching from remote to local the run command is automatically turned on so that all the necessary data settings will be carried over If however there is a discrepancy between the settings used in remote mode and ones made on the keypad e g switching from the reverse rotation in remote mode to the forward rotation only in local mode the inverter automatically stops The transition paths between remote and local modes depend on the current mode and the value on off of LOC as shown in the status transition diagram given below Also refer to Table 3 7 Run Commands from the Keypad in Local Mode for details CA For further details on how to specify run and frequency commands in remote and local modes refer to the FRENIC Eco User s Manual MEH456 Chapter 4 Section 4 3 Drive Command Generator LOC OFF Local Mode LOC ON Remote Mode LOC OFF LOC ON Transition between Remote and Local Modes by LOC 3 9 3 4 Programming Mode The Programming mode provides you with these functions setting and checking function code data monitoring maintenance information and checking input output I O signal status The functions can be easily selected with the menu driven system Table 3 8 lists menus available in Programming mode The leftmost digit numerals of each letter string on the
38. n 5 1 Function Code Tables 3 12 Figure 3 4 shows the menu transition in Menu 1 Quick Setup Power ON 1 Running mode Ne Y mode Menu List of function codes Function code data i Menu O Quick Setup i GFne L3 laE 3l 3B M x alte 9 e 9 F Ge P e FOR F OY FOS P99 L a Figure 3 4 Menu Transition in Menu 0 Quick Setup Tip Through a multi function keypad you can add or delete function codes that are subject to Quick Setup For details refer to the Multi function Keypad Instruction Manual INR SI47 0890 E Once you have added or deleted function codes for Quick Setup through a multi function keypad they will remain valid even after you switch to a standard keypad To restore the function code settings subject to Quick Setup to their factory defaults initialize the whole data using function code H03 data 1 Basic key operation This section gives a description of the basic key operation following the example of the function code data changing procedure shown in Figure 3 5 This example shows you how to change function code F01 data from the factory default 0 Enable AIO keys on keypad to 2 Enable current input to terminal C1 4 to 20 mA DC Turn the inverter on It automatically enters Running mode In that mode pres
39. ommand Table 3 5 Manual Speed Frequency Command Set with the e Q Keys and Requirements PID Control LED Frequency Multistep Multistep Selection Monitor Command 1 Frequency Frequency J01 E43 F01 SS2 SS1 Link Op n eration Roin PID Pressing the Q Selection Hz PID keys controls LE PID output as final frequency command OFF PID enabled Manual speed fre quency command set by keypad ON PID disabled PID output as final frequency command OFF PID enabled Other than the above Manual speed fre quency command currently selected ON PID disabled F01 0 Link Disabled LE OFF SS2 1 OFF Manual Speed Command from Keypad PID Disabled Frequency Setting Other Hz PID ON Than Above Command via Link o Multistep Freq Command Final Frequency Command PID Output as Frequency Command 3 7 3 3 3 Running stopping the motor By factory default pressing the key starts running the motor in the forward direction and pressing the key decelerates the motor to stop The key is enabled only in Running mode The motor rotational direction can be selected by changing the setting of function code F02 W Operational relationship between function code F02 Run command and key Table 3 6 lists the relationship between function code F02 settings and the key which determines the motor
40. ows you to read or write function code data as well as veri Data Copying fying it Note An o code appears only when any option is mounted on the inverter For details refer to the instruction manual of the corresponding option Figure 3 3 illustrates the menu driven function code system in Programming mode Power ON Programming mode Menu driven Quick Setup ee Menu 0 Data Setting Running mode Menu 1 Data Setting Data Checking Menu 2 Drive Monitoring Menu 3 3oPE 1 0 Checking Menu 4 Maintenance Info Menu 5 Menu 6 Data Copyin Menu 7 ping Figure 3 3 Menu Transition in the Programming Mode W Limiting menus to be displayed The menu driven system has a limiter function specified by function code E52 that limits menus to be displayed for the purpose of simple operation The factory default E52 0 is to display only three menus Menu 0 Quick Setup Menu 1 Data Setting and Menu 7 Data Copying allowing no switching to any other menu Table 3 9 Keypad Display Mode Selection Function Code E52 Data for E52 Mode Menus selectable 0 Function code data editing mode Menu 0 Quick Setup factory default Menu 1 Data Setting Menu 7 Data Copying Function code data check mode Menu 2 Data Checking Menu 7 Data Copying Full menu mode Menu 0 through 7 T
41. rator for details on the PID control Setting the PID process command with the O and Q keys 1 Set function code J02 to 0 Enable keys on keypad 2 Set the LED monitor to something other than the speed monitor E43 0 when the inverter is in Running mode When the keypad is in Programming or Alarm mode you cannot modify the PID process command with the N key To enable the PID process command to be modified with the key first switch to Running mode 8 Press the 3 2 key to have the PID process command displayed The lowest digit will blink on the LED monitor 4 To change the PID process command press the AIO key again The PID process command you have specified will be automatically saved into the inverter s internal memory It is kept there even if you temporarily switch to another means of specifying the PID process command and then go back to the means of specifying the PID process command via the keypad Also it is kept there even while the inverter is powered off and will be used as the initial PID process command next time the inverter is powered on Tip Even if multistep frequency is selected as the PID process command SS4 ON you still can set the process command using the keypad When function code J02 is set to any value other than 0 pressing the DIS key displays on the 7 segment LED monitor the PID command currently selected while you cannot change the setting On the 7 se
42. rope type terminal block has FMI and it does not display 75 or 5 3 21 B Displaying control I O signal terminals The status of control I O signal terminal may be displayed with ON OFF of the LED segment or in hexadecimal display e Display I O signal status with ON OFF of each LED segment As shown in Table 3 16 and the figure below each of segments a to g on LED1 lights when the corresponding digital input terminal circuit FWD REV X1 X2 X3 X4 or X5 is closed it goes off when it is open 1 Segment a to c and e on LEDS lights when the circuit between output terminal Y1 Y2 or Y3 and terminal CMY or Y5A and Y5C is closed and does not light when the circuit is open Segment a and e to g on LED4 is for terminals 30A B C and terminals Y1A Y2A and Y3A on the relay output option card Segment a or e to g on LED4 lights when the circuit between terminals 30C and 30A or the relay terminal circuit of Y1A Y2A or Y3A is short circuited ON respectively and does not light when it is open C Tip If all terminal input signals are OFF open segments g on all of LED1 to LED4 will blink Table 3 16 Segment Display for External Signal Information LED4 LED3 LED2 LED1 Segment 30A B C Y1 CMY Y2 CMY Y3 CMY rir LLLLLMLILI Y5A Y5C No corresponding control circuit terminal exists 1
43. s the key to switch to Programming mode The function selection menu appears In this example 7 is displayed If anything other than A is displayed use the and keys to display Z rc Press the key to proceed to a list of function codes Use the A and keys to display the desired function code F in this example then press the G5 key The data of this function code appears In this example data of 7 appears Change the function code data using the A and Q keys In this example press the A key two times to change data to 7 Press the amp key to establish the function code data The SAE appears and the data will be saved in the memory inside the inverter The display will return to the function code list then move to the next function code In this example i Pressing the key instead of the key cancels the change made to the data The data reverts to the previous value the display returns to the function code list and the original function code reappears 7 Press the key to return to the menu from the function code list Tip Cursor movement You can move the cursor when changing function code data by holding down the key for 1 second or longer in the same way as with the frequency settings This action is called Cursor movement me List of function codes Function code data
44. times the inverter is started up i e the number of run commands issued 1 000 indicates 1000 imes When any number from 0 001 to 9 999 is displayed the counter increases by 0 001 per startup and when any number from 10 00 to 65 53 is counted the coun er increases by 0 01 every 10 startups When the counted number exceeds 65535 the counter will be reset to 0 and the count will start again Input watt hour Shows the input wat Unit 100 kWh Disp hour of the inverter lay range 0 001 to 9999 Depending on the value of integrated input watt hour the decimal point on the LED monitor shifts to show it within the LED monitors resolution e g the resolution varies between 0 001 0 01 0 1 or 1 To reset the integrated input watt hour and its data set function code E51 to 0 000 When the input watt hour exceeds 1000000 kWh it returns to 0 Input watt hour data Shows the value expressed by input watt hour kWh x E51 whose data range is 0 000 to 9999 Unit None Display range 0 001 to 9999 The data cannot exceed 9999 It will be fixed at 9999 once the calculated value exceeds 9999 Depending on the value of integrated input watt hour data the decimal point on the LED monitor shifts to show it within the LED monitors resolution To reset the integrated input watt hour data set function code E51 to 0 000 LED Monitor shows No of RS485 errors stan dard
45. un command 2 1 signals or commu nications link operation signal Run commands from the keypad in local mode The table below shows the input procedures of run commands from the keypad in local mode Table 3 7 Run Commands from the Keypad in Local Mode When Data for F02 Run command is Input Procedures of Run Commands from Keypad Enable amp 3 keys on keypad Pressing the key runs the motor in the direction specified by Motor rotational direction from digital ter command FWD or REV assigned to terminal FWD or REV minals FWD REV respectively Pressing the key stops the motor Enable terminal command FWD REV Pressing the us key runs the motor in the forward direction only Enable amp u3 6 keys on keypad Forward Pressing the key stops the motor No specification of the motor rotational direction is required Enable GN keys on keypad Reverse Pressing the uN key runs the motor in the reverse direction only Pressing the key stops the motor No specification of the motor rotational direction is required Switching between remote and local modes The remote and local modes can be switched by a digital input signal provided from the outside of the inverter To enable the switching you need to assign LOC as a digital input signal to any of terminals X1 to X5 by setting 35 to any of E01 to E05 E98 and E99 By factory default LOC is assigned to X5 Switching from remote to
46. uring running in the reverse direction 1 under current limiting control 1 during running in the forward direction LED No Bit Notation Binary 1 0 LEDA LED3 LED2 Hexa LED1 decimal on the LED monitor LI LI m Hexadecimal expression A 4 bit binary number can be expressed in hexadecimal format 1 hexadecimal digit Table 3 14 shows the correspondence between the two notations The hexadecimals are shown as they appear on the LED monitor Table 3 14 Binary and Hexadecimal Conversion Binary Hexadecimal Binary Hexadecimal Ty oa Ag ojojojojojojojo sa En an a 3 4 5 Checking I O signal status Menu 4 I O Checking Using Menu 4 I O Checking displays the I O status of external signals including digital and analog I O signals without using a measuring instrument Table 3 15 lists check items available The menu transition in Menu 4 I O Checking is shown in Figure 3 9 Power ON 1 Running mode 1 1 1 D 1 1 D 1 fc D 1 1 D 1 1 T 4E CC i List of I O check items 1O data i i mp ne 1 gt e ByLED segment ON OFF Li tor m 1 0 3 TUU be I O status in binary format ud DJ to GOSS Input status in hex format GGG Output status in
47. w lists details of the Data copying function Table 3 20 List of Data Copying Functions Display on Um LED Monitor Function Description Read data Reads the function code data out of the inverter s memory and stores it into the keypad memory Pressing the 55 key during a read operation blinking immediately aborts the operation and displays 5 blinking 9 If this happens the entire contents of the memory of the keypad will be completely cleared Write data Writes data stored in the keypad memory into the inverter s memory If you press the amp 9 key during a write operation 5 75 is blinking the write operation that is under way will be aborted and will appear blinking The contents function code data of the inverter s memory remain partly old and partly updated If this happens do not operate the inverter instead perform ini tialization or rewrite the entire data If any incompatible code is about to be written LFE appears blinking If this function does not work refer to I If data copying does not work on page 3 29 Verify data Verifies collates the data stored in the keypad memory with that in the inverter s memory If any mismatch is detected the verify operation will be aborted with the function code in disagreement displayed blinking Pressing the G3 key again causes the verification to continue from the next function code Pressing the key during a verify operation blink
48. y contact output Y5A C is assigned to bit 4 and it is set to 1 when the circuit between Y5A and Y5C is closed The status of the relay contact output terminal 30A B C is assigned to bit 8 It is set to 1 when the circuit between output terminals 30A and 30C is closed and 0 when the circuit between 30B and 30C is closed The status of the relay contact output terminals Y1A to Y3A is assigned to bits 12 to 14 Each bit is set to 1 when the terminal circuits of Y1A to Y1C are closed and 0 when they are open For example if Y1 is on the circuit between Y5A and Y5C is open the circuit between 30A and 30C is closed and all Y1A to Y3A are open then 7 7 is displayed on the LED4 to LED1 Table 3 17 presents an example of bit assignment and corresponding hexadecimal display on the 7 segment LED Table 3 17 Segment Display for I O Signal Status in Hexadecimal Format LED No Bit Input erminal Output erminal Binary Hexa decimal on the LED monitor LED4 LED3 LED2 LED1 No corresponding control terminal exists XF XR and RST are assigned for communication Refer to Ii Displaying control I O signal terminals under communications control below E Displaying control I O signal terminals under communications control Under communications control input commands function code S06 sent via RS4
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