Download Interface Card OPC-G11S-LON User Manual
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User Manual LONWORKS® Interface Card OPC-G11S-LON for GE-FUJI Frenic5000 G11s/P11s and GE-FUJI AF-300 G11/P11 Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Contents Introduction 7 Physical Description 7 Electrical Description 7 Installation 9 Connecting the Wiring 11 Configuration 13 Bringing the VSD onto the Network 13 Starting the VSD 13 VSD Network Interface 13 Status LEDs 13 Network Variables 14 Configuration Variables 14 Output Variables 18 Input Variables 21 Special Purpose Variables 23 Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 ;Xbc^U5XVdaTb Keypad mounting screws 9 Interface Card Assembly 10 Network plug receptacle 11 Attaching the LON plug 11 LED functions 14 Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 ;Xbc^UCPQ[Tb Configuration variables 15 Output variables 18 Input variables 21 Data format number descriptions 24 Additional VSD function code 25 Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Introduction The GE FUJI LONWORKS® Interface Card OPC-G11S-LON enables system integrators to access data on a variable speed drive (VSD) over a LON. It complements the regular features on the VSD that an operator can access from the keypad on the drive. Section 1, Installation, shows how the put the card into the VSD and get it wired to begin configuration. Section 2, Configuration, explains how to set up the card to communicate with the VSD. Physical Description The Interface Card is a printed circuit assembly inside a plastic housing that mounts between the VSD body and keypad. It connects to the drive through a multi-pin connector and has a removable screw-terminal receptacle that is used to connect to the LON cable. Electrical Description The Interface Card contains its own microprocessor and memory. It communicates with the VSD through a serial communications channel on the regulator board connector. Power to the Card is provided by the VSD through the multi-pin connector and is isolated by a power converter. Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Installation This chapter covers the installation of the LONWORKS Interface Card into the AF300 G11 or P11 variable speed drive (VSD) and the physical connection to the LON. The Interface Card is shipped enclosed in a plastic housing that you have to install into the drive. The assembly is designed to integrate seamlessly within the VSD under the keypad so that the NEMA rating of the drive is maintained. Figure 1 shows the Card assembly. Follow the procedure to install the assembly in the VSD. To remove the keypad: 3RZHUGRZQWKHGULYH ! 5HPRYHWKHWZRNH\SDGPRXQWLQJVFUHZVVKRZQLQ)LJXUHDQGWDNHWKHNH\SDGRXW 5XVdaT Document number: 80-0098 .H\SDGPRXQWLQJVFUHZV Data subject to change without notice 5/00. © General Electric Company 8]bcP[[PcX^] To mount the assembly: 3XWWKHDVVHPEO\RQWRWKHGULYHERG\DQGSXVKJHQWO\XQWLOWKHEDFNRIWKHDVVHPEO\LVUHVWLQJRQ WKHGULYHERG\ ! 3XWWKHORQJDQGVKRUWVFUHZVWKURXJKWKHPRXQWLQJKROHVDVVKRZQEHORZDQGVHFXUHWKHDVVHPEO\ WRWKHGULYHERG\ 5XVdaT! ,QWHUIDFH&DUG$VVHPEO\ Short screw Long screw " 3XWWKHNH\SDGRQWRWKHDVVHPEO\DQGSXVKJHQWO\XQWLOWKHEDFNRIWKHNH\SDGLVUHVWLQJRQWKH DVVHPEO\ # ,QVWDOOWKHNH\SDGVFUHZVLQWRWKHWKUHDGHGKROHVLQWKHDVVHPEO\ Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 8]bcP[[PcX^] Connecting the Wiring Figure 3 shows the network plug receptacle. 5XVdaT" 1HWZRUNSOXJUHFHSWDFOH Earth ground Service pin Network LEDs LON Node LEDs Drive Comm LEDs Note: Connect the earth ground terminal to a nearby earth ground. 3OXJWKHWHUPLQDOEORFNLQWRWKH/RQ:RUNVLQWHUIDFHFDUGDVVKRZQLQ)LJXUH 5XVdaT# $WWDFKLQJWKH/21SOXJ You can power up the drive and then go to Section 2, Configuration, for information about configuring the VSD with the software interface. Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Configuration All configuration data is stored in a master file in the VSD. This is so that, whether you configure the VSD through the keypad or the Interface Card, you will be looking at the same configuration settings. Bringing the VSD onto the Network To add the VSD node to the building network: 8VLQJ\RXUQHWZRUNWRROIRUH[DPSOH/RQ0DNHU&LUFRQ6\VWHP,QWHJUDWRUHWFDGGWKH96' WR\RXUQHWZRUN The first time you try to bring the VSD onto the network an Er4 type error may occur on the VSD. If this happens, press the Reset button on the VSD keypad; when the reset is complete the drive will be ready to configure. Starting the VSD The network variable nvidrvSpeedSetpt sets the speed of the drive. (See Tables 1-3 for network variable descriptions.) VSD Network Interface After the VSD is online you can monitor the it and set the configuration variables that represent the most common functions used in HVAC applications of VSDs. To get the current configuration parameters from the VSD to Node Editor you have to upload them after the VSD is online. Status LEDs The LONWORKS interface card has six LEDs that show the communication status of the VSD. Figure 5 shows the LED functions. Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Configuration 5XVdaT$ /('IXQFWLRQV Transmitting network data Needs service Drive data in Drive data out Receiving network data IMOK Network Variables There are four types of network variables that enable the VSD to communicate with your PC through the Interface Card: • &RQILJXUDWLRQYDULDEOHV • 2XWSXWYDULDEOHV • ,QSXWYDULDEOHV • 6SHFLDOSXUSRVHYDULDEOHV Configuration Variables Table 1 shows the configuration network variables that you can set through your network tool or through the VSD keypad. The function codes shown in the table are from the VSD and are mapped to the variable in the same row of the table. Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Configuration CPQ[T &RQILJXUDWLRQYDULDEOHV Configuration properties 8&37B%DVH)UHT Function code ) Description 6HWWRWKHIUHTXHQF\WKDWPDWFKHVWKHUDWHGRXWSXWYROWDJHRQWKHPRWRU QDPHSODWH'HIDXOWVHWWLQJLV+] 6&37GHI6FDOH QD 8VHGDVWKHGHIDXOWYDOXHIRUnviDrvSpeedScale6HWWKLVDWIRU +]7KHYDOLGUDQJHLVWRDQGFDQEHFKDQJHGLQ LQFUHPHQWV 8&37B-RJ)UHT & 'HIDXOWVHWWLQJLV+]7KHYDOLGUDQJHLVWR+]DQGFDQEHFKDQJHG LQ+]LQFUHPHQWV 8&37B-XPS)UHT & & 6HWVWKH96'WRDYRLGIUHTXHQFLHVWKDWFDXVHPHFKDQLFDOQRLVHDQG YLEUDWLRQ7KHYDOLGUDQJHLVIURPWR+]DQGFDQEHFKDQJHGLQ+] LQFUHPHQWV & & 8&37B/LQN)XQF + (QDEOHVWKH,QWHUIDFH&DUGWRWUDQVIHUGDWDRYHUWKHQHWZRUN6HWWRIRU ,QWHUIDFH&DUGRSHUDWLRQ'HIDXOWVHWWLQJLV 6&37PD[6HWSRLQW ) 5HSUHVHQWVWKHPD[LPXPPRWRUUDWHGUSPnciNmlSpeedDVSHUFHQW 'HIDXOWYDOXHLV 6&37PLQ6HWSRLQW ) 6HWVWKHPLQLPXPVSHHGRIWKHPRWRUDVSHUFHQWRIPRWRUQDPHSODWHUDWHG USPnciNmlSpeed'HIDXOWYDOXHLVDQGLVW\SLFDOVHWEHWZHHQDQG 6&37PLQ6HQG7LPH :ULWLQJDYDOXHWRnciMinOutTmJUHDWHUWKDQDVPDOOPLQLPDOYDOXHFDXVHV DOOXSGDWHVWRRXWSXWYDULDEOHVOLVWHGLQ7DEOHWRFHDVH7KHUDQJHLVIURP WRVHFRQGVDQGFDQEHFKDQJHGLQVHFRQGLQFUHPHQWV7KH nciSndHrtBtWLPHUPXVWEHVHWIRUWKLVYDULDEOHWRZRUN 8&37BPXOW6WHS)UHT & 3OHDVHUHIHUWRSDJHVDQGLQWKH$)3,QVWUXFWLRQ0DQXDO IRUGHWDLOV 6&37QRP530 Document number: 80-0098 1DPHSODWHUDWHGUSPRIWKHPRWRU Data subject to change without notice 5/00. © General Electric Company Configuration CPQ[T &RQILJXUDWLRQYDULDEOHV&RQWLQXHG Configuration properties Function code 6&37QRP)UHT 8&37B3,'VHWWLQJV Description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nviDrvSpeedSetptDQG nviDrvSpeedScaleYDULDEOHVZLWKWKHLUGHIDXOWVZKHQLWH[SLUHV:ULWLQJWR WKHVHWZRYDULDEOHVUHVHWVWKHWLPHU7KHUDQJHLVIURPWRVHFRQGV DQGFDQEHFKDQJHGLQVHFRQGLQFUHPHQWV$YDOXHRI]HURGLVDEOHVWKH WLPHU 6&37PD[6HQG7LPH 6WDUWVDWLPHUWKDWXSGDWHVRXWSXWYDULDEOHVOLVWHGLQ7DEOHDWWKHGHVLUHG UDWH7KHUDQJHLVIURPWRVHFRQGVDQGFDQEHFKDQJHGLQ VHFRQGLQFUHPHQWV0XVWDOVRKDYHnciMinOutTmDFWLYH Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Configuration CPQ[T &RQILJXUDWLRQYDULDEOHV&RQWLQXHG Configuration properties 8&37B6WUW6WS)UHT Function code )) Description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ome network variables don’t have VSD function codes associated with them, for example nciDrvSpeedScale. Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Configuration Output Variables Output variables provide operational data about the VSD and the motor it is driving. Table 2 lists the output variables, corresponding function codes, and descriptions. The function codes for the output variables are type M (monitoring) codes. All the output variables associated with type M function codes rely on the nciMinTmOut and nciSndHrtBt configuration variables to keep output data current. CPQ[T! 2XWSXWYDULDEOHV Variable QYR$ODUP Function code 0 Index number Description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ata subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Configuration CPQ[T! 2XWSXWYDULDEOHV&RQWLQXHG Variable QYR$ODUP3RZHU Function code Index number Description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nviReadParamNumWRGLVSOD\GDWDIURPD96'IXQFWLRQ FRGH 6KRZVWKHVWDWXVRIDQ\REMHFW 6197BREMBVWDWXV Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Configuration CPQ[T! 2XWSXWYDULDEOHV&RQWLQXHG Variable QYR7RUTXH Function code Index number 0 0 0 Description 6KRZVWKHRSHUDWLQJWRUTXHRIWKH96'DVDSHUFHQW 6197BOHYBSHUFHQW QYR<VWDWXV 6197BVZLWFK QYR<VWDWXV 6KRZVZKHWKHUWKHRXWSXWWHUPLQDOVDUHVHWWRRQRURII3OHDVHUHIHUWR 6197BVZLWFK SDJHVWRLQWKH$)3,QVWUXFWLRQ0DQXDOIRUGHWDLOVRQ QYR<VWDWXV 0 0 0 0 0 WHUPLQDOVHWWLQJV 6197BVZLWFK QYR<VWDWXV 6197BVZLWFK QYR;VWDWXV 6197BVZLWFK QYR;VWDWXV 6197BVZLWFK QYR;VWDWXV 6KRZVZKHWKHUWKHLQSXWWHUPLQDOVDUHVHWWRRQRURII3OHDVHUHIHUWR 6197BVZLWFK SDJHVWRLQWKH$)3,QVWUXFWLRQ0DQXDOIRUGHWDLOVRQ WHUPLQDOVHWWLQJV QYR;VWDWXV 0 0 6197BVZLWFK QYR;VWDWXV 6197BVZLWFK Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Configuration Input Variables Input variables are used to define operating parameters and control mechanisms for the VSD. Table 3 lists the input variables and descriptions. CPQ[T" ,QSXWYDULDEOHV Variable QYL$ODUP5HVHW Description 5HVHWVWKHDODUPWULSPHFKDQLVPWREHWULJJHUHGE\WKHQH[WDODUPHYHQW 6197BVZLWFK QYL$2FPG 6HWVWKHYDOXHRI8QLYHUVDO$QDORJ2XWSXWDVSHUFHQW 6197BOHYBSHUFHQW QYL'UY6SHHG6FDOH 6197BOHYBSHUFHQW 6SHHGRIWKHGULYHDVDSHUFHQWDJHRIWKHnviDrvSpeedSetptYDOXH ,WXVHVnciSpeedScaleDVD GHIDXOWYDOXHDWVWDUWXSRULILWLVQRWXSGDWHGLQWKHWLPHVSHFLILHGLQWKHnciRcvHrtBtYDULDEOH1HJDWLYH YDOXHVLQGLFDWHDPRWRUWXUQLQJLQUHYHUVH7KHYDOLGUDQJHLVWRDQGFDQEH FKDQJHGLQLQFUHPHQWV QYL'UY6SHHG6HWSW 6197BVZLWFK QYL5HDG3DUDP1XP 6197BFRXQW QYL5HTXHVW 3URYLGHVVWDUWVWRSFRQWURODQGWKHVHWSRLQWIRUGULYHVSHHG,WLVDOVRXVHGDVDUHIHUHQFHZKHQVHWWLQJ WKHnviDrvSpeedScaleYDULDEOH 6SHFLILHVWKHSDUDPHWHUQXPEHUDQGGDWDRID96'IXQFWLRQFRGHIRUWKHnvoReadParamValYDULDEOHWR GLVSOD\LQ1RGH9LHZHU 3URYLGHVWKHPHFKDQLVPWRUHTXHVWDPRGHIRUDSDUWLFXODUREMHFW 6197BREMBUHTXHVW QYL:ULWH3DUDP1XP 6197BFRXQW QYL:ULWH3DUDP9DO 6197BFRXQW 6SHFLILHVWKHLQGH[QXPEHURID96'IXQFWLRQFRGHWKDWGRHVQRWKDYHDQHWZRUNYDULDEOHDVVRFLDWHG ZLWKLW8VHGZLWKnviWriteParamValIRUHDFKIXQFWLRQFRGH\RXZDQWWRSURJUDP 6SHFLILHVWKHYDOXHWRZULWHWRWKHLQGH[QXPEHUVSHFLILHGLQnviWriteParamNum8VHGZLWK nviWriteParamNumIRUHDFKIXQFWLRQFRGH\RXZDQWWRSURJUDP Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Configuration CPQ[T" ,QSXWYDULDEOHV&RQWLQXHG Variable Description QYL;FPG 6197BVZLWFK QYL;FPG 6197BFRXQW QYL;FPG 6197BFRXQW &RQWUROVWKHRQDQGRIIVWDWHRIWKH;WR;GLJLWDOLQSXWWHUPLQDOVIXQFWLRQFRGHV(WR( QYL;FPG 6197BFRXQW QYL;FPG 6197BFRXQW You can use the special purpose variables to configure digital input terminals X6 to X9 (VSD function codes E06 to E09). Data subject to change without notice 5/00. © General Electric Company Document number: 80-0098 Configuration Special Purpose Variables Table 5 contains VSD function codes that don’t have their own corresponding network variables. These codes complement the function codes associated with the configuration variables in Table 1. For example, the auto-start frequency fall rate (H14 in Table 5) uses the value in the nciRampDownTm variable (F08 in Table 1) as a reference. The Interface Card gives lets you program these function codes with a PC instead of the VSD keypad by using the following special purpose variables: • QYL:ULWH3DUDP9DO • QYL:ULWH3DUDP1XP • QYL5HDG3DUDP1XP • QYR5HDG3DUDP9DO Use the index numbers in Table 5 to represent the VSD function codes. To read from Special Purpose Variables: 6HWnviReadParamNum ZLWKWKH,'QXPEHUFRUUHVSRQGLQJWRWKHIXQFWLRQFRGH NvoReadParamVal fX[[SXb_[PhcWTRdaaT]cbTccX]VU^acWPcUd]RcX^]R^STP]ScWT eP[dTX]nviReadParamNumXbaTbTcPciTa^8cfX[[SXb_[PhX]cWTSPcPU^a\Pc b_TRXUXTSX]CPQ[T# CWT^dc_dcSPcPXbbcPcXRP]SfX[[]^cQTd_SPcTSPdc^\PcXRP[[hb^fWT]cWTeP[dT^U cWTUd]RcX^]R^STRWP]VTbXcfX[[]^cQTSXb_[PhTSQhnvoReadParamVald]cX[h^d T]cTacWTX]STg]d\QTaX]c^nviReadParamNumPVPX] To write to Special Purpose Variables: nviWriteParamValYDULDEOHFRUUHVSRQGLQJWRWKHIXQFWLRQFRGHXVLQJWKHGDWD 6HWWKHYDOXHLQ IRUPDWLQGLFDWHG ! 7RZULWHWKHYDOXHHQWHUHGDERYHWRWKHGULYHHQWHUWKH,'QXPEHUFRUUHVSRQGLQJWRWKHIXQFWLRQFRGH LQ nviwriteParamNum Document number: 80-0098 Data subject to change without notice 5/00. © General Electric Company Configuration Repeat steps 1 & 2 with the nviWriteParamNum variable. When you press Enter for this variable, the value is written to the VSD and the value of nviWriteParamNum is automatically reset to zero. 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