8500693E 972/973PB-200X Profibus Output Transmitters
Contents
1. CH 0 Predefined Output Low Order Byte CH 1 Predefined Output High Order Byte CH 1 Predefined Output Low Order Byte CH 2 Predefined Output High Order Byte CH 2 Predefined Output Low Order Byte CH 3 Predefined Output High Order Byte CH 3 Predefined Output Low Order Byte CH 4 Predefined Output High Order Byte CH 4 Predefined Output Low Order Byte CH 5 Predefined Output High Order Byte Data Types Percentage VO values of Acromag 9xxPB This Model modules are represented by the simple data types noted at right for temperature percentage and discrete on off Note that when transferring words data bytes are transmitted using Big Endian format MSB first LSB second Temperature Discrete CH 5 Predefined Output Low Order Byte Writing 55H to this register will cause the module to restore its original factory calibration 55H is not stored but acts as a trigger and this byte always reads as OOH Factory Use Only Do Not Modify Data Types A 16 bit signed integer value with resolution of 0 005 Isb 20000 is used to represent 100 For example 100 0 and 100 are represented by decimal values 20000 0 and 20000 respectively The full range is 163 84 32768 decimal to 163 835 32767 decimal A 16 bit signed integer value with resolution of 0 1 C Isb For example a value of 12059 is equivalent to 1205 9 C a value of 187 equals 182. GROUND S ale Am TBI NU Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output 1 v Connect Earth Ground as shown in the connection drawings above Additionally ground the ProfiBus cable as shown in the drawing below The ground connections noted are recommended for best results If sensors are already grounded use caution and avoid making additional ground connections which could create ground loops The plastic module housing does not require earth ground CONNECTIONS Earth Ground Warning To comply with safety and performance standards use shielded cable and connect earth ground as noted Failure to use good wiring and grounding practices may be unsafe and hurt performance PROFIBUS WIRING AND GROUND PROFIBUS PROFIBUS l CONNECTOR GROUNDING CONECTOR CONNECTOR l a 1 Aways connect the cable shield to earth ground at both i ee hown M screw it may be necessary to strip the cable insulation near the field device and clamp the cable shield to a local od S ends as sl l PROFIBUS FIELD DEVICE 2 If the field device does not include an earth ground grounding bar or surface as shown Us l PROFIBUS FIELD DEVICE EARTH GROUND SCREW ON EQUIPMENT WHEN AVAILABLE EJ l all 4 er i on on EARTH GROUND SCREW
3. Once the unit has passed through the initialization parameterization and configuration states and is in data exchange mode the yellow BUS LED will be ON If the BUS LED is OFF and the unit is connected to the network then this is indicative of an initialization problem Follow the ProfiBus installation guidelines Use the recommended cable and connectors of the standard Verify that none of the wires are broken or shorted Don t mix the A amp B lines Use green wire for A and red wire for B Do not exceed the recommended segment length for the baud rate Make sure that there are no more than 32 RS 485 devices per segment including the master device and the repeater with braided shields of density greater than 80 Ba Green Wire A Red Wire B TROUBLE SHOOTING Tips For Building ProfiBus Networks Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 8 BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output Tips For Building ProfiBus Networks Top Four Common ProfiBus Problems Troubleshooting Tools e Check for proper termination of all copper wire network segments an RS 485 segment must have a termination resistor at both ends of the segment only e All activated terminations must be powered all the time If this is not possible then consider using an active termination box e Check whether the station address is set to the correct
4. 99 1 4 35 imisi K 110 5 m NOTE Dimensions Are INCHES MILLIMETERS MODEL 972 973PB 2006 ENCLOSURE DIMENSIONS DP SLAVE ADDRESS SWITCHES TBS 222 RUN PWR LED GREEN i i Actom BUS STATUS LED YELLOW HHHHHH eiririnirir R K Kus LSD Msp 33 32 31 g oo SLAVE Si ADDREsS A A HEX PWA gt PROFIBUS C ANALOG OUTPUTS ANALOG OUTPUTS PROFIBUS CONNECTOR H Ele Ely Ele Elg E N DBS FEMALE LS e E a elf else en 12 13 14 15 16 Ri 22123 24 25 26 HARARE Fig i fe hi T T T T REMOVABLE PLUG IN TYPE SIS ISISISIS S ISIS IS ISIS TERMINAL BLOCKS TBI TB 972 973PB PAR i i ISOLATION lala TBS DIAGRAM i f Ei k wat Aal At hel 2 a sh LL hth LY i LSD MsD ajz EJF SLAVE g l ANALOG OUTPUT F Sr AND LOGIC CIRCUIT PWR TRANSFORMER yil Se sv w 15v 3 amp pe lee Nea E ale ponent sal een Res cia a nie aa ie ae sar all N dic 5v E Fl i E E PA ASS g CEE PRR SO ea g ANALOG OU
5. ACROO6FE GSD Bus Idle State 1 a start bit causes line to go to O An idle state of at least 33 Tbits sync time must be provided between messages Note 1Tbit at 12Mbaud 1 12000000bit sec 83nsec Network Capacity Multi drop up to 31 modules plus a host without a repeater Up to 125 modules plus a host if four repeaters are used one for every 31 nodes Network Termination Use 2200 A to B plus 390Q A to GND and 3900 B to 5V Use 2 0 25W resistors LED Indicators Controls amp Indicators Run Green Constant ON indicates power applied and unit OK Flashing ON OFF indicates unit is performing diagnostics first few seconds following power up or has failed diagnostics after a few seconds Bus Yellow ON indicates unit has completed its initialization sequence and is in the data exchange mode on the network Switches Slave Address Two hexadecimal rotary DIP switches located in the recessed opening adjacent to power terminals and represent the hex MSB amp LSB of the 8 bit address See Address above for operation These models include 27 user parameterization bytes 6 channel Module Specific 2006 models or 19 user parameterization bytes 4 channel 2004 Parameters models of User_Prm_Data defined as follows any changes to user parameterization bytes take effect immediately User_Prm_Data User Parameterization Bytes User_Prm_Data 2006 2004
6. Outputs are not isolated channel to channel and share a common return RTN Current outputs may drive up to 20 8mA into 5000 Voltage outputs may deliver up to 10V into 1KQ 10mA ProfiBus Current Voltage Output 3 L2 Ss ber of modules pos Kij RS485 SIGNAL U see Bes j H r A H H 61 eD 31 NODE 1 NODE 32 H H q c 30 NODE 32 END OF NETWORK TERMINATION ON NODE 2 J START OF SEGMENT END OF SEGMENT TERMINATION on J TERMINATION ON SEGMENT 2 UP TO 1200 METERS UP TO 32 NODES PER SEGMENT PROFIBUS MASTER PLUG IN CARD INSTALLED IN PC START OF NETWORK TERMINATION REQD NETWORK LENGTH PER BAUD RATE wi TYPE A PROFIBUS CABLE PROFIBUS MASTER A HOST PC WITH PROFIBUS C RUNNING APPLICATION SOFTWARE o CARD INSTALLED AND a ll PROFIBUS RS485 NETWORK SEGMENT 1 UP TO 1200 METERS UP TO 32 NODES PER SEGMENT NOTE THE PROFIBUS CONNECTORS SHOWN HAVE A TERMINATION NETWORK BUILT IN WITH TERMINATION ON THE OUTGOING CABLE IS DISCONNECTED FROM NETWORK SWITCH
7. Profibus connector at the prior node turned on Switch Termination on only at the ends of the network With termination switch on the outgoing connections are disconnected from the network chain Yellow BUS LED turned OFF Communication Halted Cycle power to reset unit Investigate grounding Continuous flashing green RUN LED Internal firmware problem Return the module for service Many Communication Errors Missing Termination Resistors Termination resistors must be placed only at both ends of a network or segment Is baud rate too high for distance Maximum distance is limited below 1200 meters as baud rate is increased above Using Connectors To Troubleshoot Diagnostics Function Diagnostics Table If your problem still exists after checking your wiring and reviewing this information or if other evidence points to another problem with the unit an effective and convenient fault diagnosis method is to exchange the module with a known good unit Acromag s Application Engineers can provide further technical assistance if required Complete repair services are also available from Acromag Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 0 BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output CALIBRATION IMPORTANT This module has already been calibrated at the factory and recalibration i
8. TERMINATION ON ONLY AT THE BEGINNING AND END OF A NETWORK OR NETWORK SEGMENT v Connect 16 36V DC to power terminals labeled DC amp DC Observe proper polarity For supply connections use No 14 AWG wires rated for at least 75 C CAUTION Do not exceed 36VDC peak OBSERVE PROPER POLARITY 16 TO 36VDC TB3 TB3 x N S INPUT POWER EN S IIS IS ISOLATED Ee S MIE 4 Sle _ EARTH A GROUND DIS IMPORTANT External Fuse If unit is powered from a supply capable of delivering more than 1A to the unit it is recommended that this current be limited via a high surge tolerant fuse rated for a maximum current of 1A or less for example see Bel Fuse MJS1 v Connect analog outputs as shown below according to your model CURRENT OUTPUT CONNECTIONS 972PB r SHIELDED CABLE EARTH GROUND l a TB1 CHANNEL 1 OF 6 4 E A N z t peee S x gt CURRENT RL S 5 OUTLOAD S 3 UPTO550 OHMS X 8 S 2 a 8 e TBI VOLTAGE OUTPUT CONNECTIONS 973PB SHIELDED CABLE r CHANNEL 1 OF6 Oe ele IA Oi o Evo T O S aS am fe hisa a S alev S OUTLOAD 8 UPTO 10mA 4 am g EARTH S nypR iva g
9. as a group power and network circuits are isolated from each other for common mode voltages up to 250VAC or 354V DC off DC power ground on a continuous basis will withstand 1500VAC dielectric strength test for one minute without breakdown Complies with test requirements of ANSI ISA 82 01 1988 for voltage rating specified Installation Category Designed to operate in an Installation in a Pollution Degree 2 environment with an Installation Category over voltage category II rating Electromagnetic Interference Immunity EMI Output shift has been demonstrated at less than 0 25 of output span for interference from switching solenoids commutator motors and drill motors Electromagnetic Compatibility EMC Minimum Immunity Per European Norm EN50082 1 Electrostatic Discharge ESD Immunity 4KV direct contact and 8KV air discharge to the enclosure port per EN61000 4 2 Radiated Field Immunity RFI 10V M 80 to 1000MHz AM and 900MHZz keyed carrier per EN61000 4 3 and ENV50204 Electrical Fast Transient Immunity EFT 2KV to power and 1KV to signal I O per EN61000 4 4 Conducted RF Immunity CRFI 10Vrms 150KHz to 80MHz per EN61000 4 6 Surge Immunity 0 5KV per EN61000 4 5 Emissions Per European Norm EN50081 1 Radiated Frequency Emissions 30 to 1000MHz per EN55022 Class A ProfiBus Current Voltage Output 1 7 Environmental CAUTION Do not exceed 36VDC peak to avoid damage to the module External Fuse Se
10. 2 23 4 235 28 of the DIN rail connector and use it as a lever to force the connector down until the unit Remove Terminal Blocks On This Side To Provide Clearance disengages from the rail do not twist the PRY WITH SCREWDRIVER z i i s BONOT TWST TOAVO screwdriver to avoid damaging plastic DAMAGING PLASTIC TAB PUSH SCREWDRIVER ASSHOWN TO TILT AND LIFT MODULE OFF RAIL Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual Siemens ProfiBus Connector rs ANY 0 A DB9 Mae s Strip Cable S Similar to Shown P L O F AB _ Termination kon A GR oe Switch gt on aan 7 2 0 35 ATTS 0 30 2 ste 1 el ProfiBus j 3 z PVC Cabe gt gt J E Green Wire A Sheath Violet 7 Red Wire B a IN OUT Use ProfiBus cable Network per DIN 19245 and Do not mix RS485 A amp B connections Green wire is A red wire is B EN 50170 You MUST terminate the network at both ends only Termination resistors are integrated in the ProfiBus connector When you switch termination ON the out going connections are disconnected from the network 41 LSD MSD 33 32
11. 31 2 a a my EB q af joo ko CH VOST J Model 983PB 2012 Shown 981PB 2012 amp 982PB 2012 Similar WWJ we 5 DIGITALIN or OUT YrVecke S t 11 12 13 14 15 16 PE TrEE AAAAFAA AAAAARA 7 m ProfiBus Socket DB9 Female NINININININ NINININININ VEN p ProfiBus RIGHT SIDE VIEW a7 IN OUT Green Wire A Network Red Wire B Network Length Use Type A ProfiBus cable per EN 50170 Keep line lengths less than the length indicated below for your transmission rate For baud rates not shown the lower length of the closest range end points apply i e 100M at 3Mbps Bus Segment Length Limit Per Baud Rate For Type A Bus Cable BAUD 9 6K 19 2K 93 75K 187 5K 500K 1 5M 12M Type A 1200M 1200M 1200M 1000M 400M 200M 100M Termination The network must be terminated at both ends only Most ProfiBus connectors include a switch for termination as shown above Note that this switch will also disconnect the outgoing network signal ProfiBus Current Voltage Output D CONNECTIONS Network Use ProfiBus connectors similar to the one shown at left Siemens version shown Always use ProfiBus cable per DIN 19245 and EN 50170 When buildi
12. 7 C The maximum possible temperature range is 3276 8 C to 3276 7 C A discrete value is generally indicated by a single bit of an 8 bit byte The bit number position typically corresponds to the discrete channel number Unless otherwise defined for outputs a 1 bit means the corresponding output is closed or ON a 0 bit means the output is open or OFF For active high inputs a value of 1 means the input is in its high state usually gt gt OV while a value of 0 specifies the input is in its low state near OV For active low inputs a value of 1 means the input is ON Active low near OV while a value of 0 specifies the input is OFF or in its high state usually gt gt OV Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output 2 1 Revision History The following table shows the revision history for this document Release Date EGR DOC Description of Revision 27 JUN 03 BC KLK Initial release 28 OCT 03 OB BC KLK UL updates per ECN 03J022 02 NOV 04 C CAP KLK Added latest UL information to manuals and labels per ECN 04J008 11 AUG 06 OD BC KLK Max current update per ECN 06E022 02 FEB 15 FJM ARP Correction to connectors on DB9 Connections table
13. or 0 10V for 973PB models 3 Write the zero calibration value to the output to be calibrated and adjust this value as necessary to precisely reproduce the Cal LOW zero signal see table of prior page Allow the output to settle a few seconds 4 Write FFH into the low order byte of the channel s calibration word several times to ensure transmission In Output Calibration Mode the module will automatically calibrate the channel s zero value when FFH is detected in the low order byte Then write OOH into the low order byte to complete zero calibration 5 Write the full scale calibration value to the output to be calibrated and adjust this value as necessary to precisely reproduce the Cal HIGH full scale signal see table of prior page Allow the output to settle a few seconds 6 Write FFH into the high order byte of the channel s calibration word several times to ensure transmission In Output Calibration Mode the module will automatically calibrate the channel s full scale value when FFH is detected in the high order byte Then write OOH into the high order byte to complete full scale calibration 7 Repeat steps 3 6 for each output channel to be calibrated 8 When finished calibrating use the master software to return the module to the normal Output Mode to prevent miscalibration With user parameter bytes 1 6 or 1 4 select the range required for your application You may then check the calibration of the alter
14. 0 000V 20000 Notes 1 Output values are written via 16 bit signed integer values with resolution of 0 005 Isb 20000 is used to represent 100 For example 100 0 and 100 are represented by decimal values 20000 0 and 20000 respectively The full range is 163 84 32768 decimal to 163 835 32767 decimal 2 The Write values noted above are the ideal values written to the output word of the channel and may only approximate the value required to produce the Cal LOW and Cal HIGH endpoint signals During calibration you need to adjust these values as required to precisely reproduce the endpoint signals 3 Calibration of the 0 20mA amp 0 1mA and 0 5V amp 0 1V subranges are internally interpolated from the resultant calibration of the base range noted in the table above for each model Additionally since resolution is degraded for the sub ranges it is very important that high accuracy be ensured for the primary base calibration when making output adjustments and measurements These models have two output configuration definitions in their GSD files one for normal output operation 4 or 6 output words according to the number of output channels and another for accomplishing output calibration with 8 or 12 output words according to the number of output channels The normal data exchange definition supports 4 or 6 output words 8 or 12 output bytes representing your programmed values A sec
15. 2004 4x Voltage 973PB 2006 6x Voltage Analog Outputs These DIN rail mount ProfiBus DP slave output modules will drive up to six process current or voltage signals according to the model and provide an isolated RS485 ProfiBus network interface for configuration and control of the outputs Units are DC powered and include reverse polarity protection Outputs share a common return connection and are not isolated channel to channel Outputs as a group network and power are isolated from each other Non volatile reprogrammable memory in the module stores configuration and calibration information The ProfiBus model prefix 900 denotes the Series 900 The PB suffix denotes ProfiBus Select 972MB for current output and 973PB for voltage output The four digit suffix of this model number represents the following options respectively 2 ProfiBus DP 0 Default 04 or 06 4 or 6 channels respectively Four or six analog output channels for current or voltage according to model number The unit must be wired and configured for the intended output type and range see Connections Section for details The following paragraphs summarize this model s output types ranges and applicable specifications Current Output Specifications 972PB Only Output Ranges Select 0 20mA DC 4 20mA DC or 0 1mA DC The 0 20mA and 0 1mA ranges are sub ranges of the 4 20mA range Note The 0 20mA and 0 1mA output ranges
16. Acromag kj BusWorks 900PB Series ProfiBus RS485 Network I O Modules Model 972PB 2004 Four Channel Current Output Model 972PB 2006 Six Channel Current Output Model 973PB 2004 Four Channel Voltage Output Model 973PB 2006 Six Channel Voltage Output USER S MANUAL ACROMAG INCORPORATED Tel 248 624 1541 30765 South Wixom Road Fax 248 624 9234 Wixom MI 48393 2417 U S A Copyright 2002 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500693E 2 BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output TABLE OF CONTENTS Symbols on equipment A Means Refer to User s Manual this manual for additional information The information of this manual may change without notice Acromag makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Further Acromag assumes no responsibility for any errors that may appear in this manual and makes no commitment to update or keep current the information contained in this manual No part of this manual may be copied or reproduced in any form without the prior written consent of Acromag Inc IMPORTANT SAFETY CONSIDERATIONS You must consider the possible negative effects of power wiring component sensor or software failure in the design of any type of control or monitoring system This is v
17. BYTE BYTE DESCRIPTION 0 0 Do Not Use Reserved for SPC3 ASIC CH 0 Range Select typical for all channels 00H 0 20mA 972PB 0 10V 973PB 01H 4 20mA 972PB 0 5V 973PB 02H 0 1mA 972PB 0 1V 973PB CH 1 Range Select see CH 0 for definition CH 2 Range Select see CH 0 for definition CH 3 Range Select see CH 0 for definition CH 4 Range Select see CH 0 for definition CH 5 Range Select see CH 0 for definition Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 20 BusWorks 972 973PB User s Manual Module Specific Parameters User_Prm_Data ProfiBus Current Voltage Output User Parameterization Bytes User_Prm_Data continued DESCRIPTION CH 0 Output Action action taken in Clear Mode or upon Watchdog Timeout typical for all channels OOH Clear outputs set all outputs to zero 01H Do not change maintain last value 02H Set outputs according to user definition in bytes 13 24 or 9 16 below Outputs go to these pre defined levels This model does not include CH 1 Output Action see CHO for definition any user defined diagnostic CH 2 Output Action see CHO for definition data Ext_Diag_Data CH 4 Output Action see CHO for definition CH 3 Output Action see CHO for definition CH 5 Output Action see CHO for definition CH 0 Predefined Output High Order Byte
18. L Listed Canada Standard C22 2 No 142 M1987 amp 213 M1987 Hazardous Locations Class 1 Division 2 Groups A B C and D Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual Operating Temperature 972PB 25 C to 60 C 13 F to 140 F 973PB 25 C to 70 C 13 F to 158 F Storage Temperature 40 C to 85 C 40 F to 185 F Relative Humidity 5 to 95 non condensing Power Requirements 16 36V DC SELV Safety Extra Low Voltage Observe proper polarity Current draw will decrease up to 10 as the baud rate is increased to 12MB Data below is at 9600 baud with current outputs 972PB set to 20mA and voltage outputs 973PB set to 10V across 1KQ 10mA Power 972PB 2004 Current 972PB 2006 Current Supply Typical Maximum Typical Maximum 204mA 224mA 289mA 318MA 132mA 145mA 173mA 190mMA 92mA 101mA 115mA 127mA Power 973PB 2004 Current 973PB 2006 Current Supply Typical Maximum Typical Maximum 154mA 169mA 188mA 207mA 103mA 113mMA 123mA 135mA 73mA 80mA 85mA 94mA CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing Power Supply Effect Volts Less than 0 001 of output span change per volt for rated power supply variations 60 120 Hz Ripple Less than 0 01 of output span per volt peak to peak of power supply ripple Isolation Output channels
19. PB or to non inverting output amplifiers 973PB Output configuration and calibration parameters are stored in non volatile memory integrated within the microcontroller A factory program port allows the microcontroller to be reprogrammed in circuit A wide input switching regulator isolated flyback provides isolated power to the output circuit and the RS485 port A second switcher converts the 15V output supply to a 5V logic supply Refer to the simplified schematic below to gain a better understanding of the circuit 972 973PB SIMPLIFIED SCHEMATIC PWR 5V BUS 5V OUTPUT CHANNEL 1 OF 6 Typical LED ISOLATED RS485 N PROFIBUS l E SPC3 SLAVE T MICRO ASIC ES RS485 CONTROLLER i PROFIBUS W DS TRANSCEIVER O R K OUTPUT CHANNEL 6 OF 6 E EEEE ale EEA EEEE E ours a SOLATED INE eee V TO CONVERTER VOLTAGE AMPLIFIER v7 P ISOLATED SECONDARIES fees o aa e eee a ISOLATED Q der NETWORK 5V FLYBACK O W POWER v Ie D a rors nn SWITCHER c E OUTPUT LOGIC 15V R POWER si e E E E EE EA sy SWITCHER i v l 0 7V l D a TEPEE NIEA EREE tidus Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 4 BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output SPECIFICATIONS Model Numbers 972PB 2004 4x Current 972PB 2006 6x Current 973PB
20. Specifications ceeeeeeeeees 15 Enclosure PhySical cceeseeeeeeeeeeeeeeeeeeee 16 Agency Approvals cceceseeeeceeeeeeeneneeeeeenene 16 ENvVirOnme ntallinccniccesncectessnenaniteaectnaienan stnaers 17 Communication Interface eceeceeeeeeeeeens 18 Controls amp Indicators 19 Module Specific Parameters 00 19 Data TYPOS co i sevccecetesnsccncetrestegssesecendsnstezes 20 Windows is a registered trademark of Microsoft Corporation Profibus is a registered trademark of ProfiBus Trade Organization All trademarks are the property of their respective owners Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output 3 E ol i i d Acromag U iN BUS LSD mo al2 ajg oof A SLAVE g 3 o ADDRESS oo HEX PWR YE w Nw 3D 3E hek Es amp a Elz Eg E as La B Bh 12 13 14 15 16 Pla alas alas 1 u i SSIS SSIS SSIS SIS Y t Tet Te 1 05 _ TRAIL DIN MOUNTING fe 3 90 a 26 7 DIN EN 50022 35mm
21. TPUTS ANALOG OUTPUTS pelts E ys EEE cer aie 45 117 12 13 14 15 16 KB 21 22 23 24 25 26 j d A a a t TA ii Ci iy ibs i C j QIVIV Vjgje SISS ISISS TBI TB2 i ANALOG OUTPUTS ANALOGOUTPUTS MOUNTING AND DIMENSIONS Unit mounts to T type DIN rails 35mm type EN50022 Units may be mounted side by side on 1 inch centers WARNING IEC Safety Standards may require that this device be mounted within an approved metal enclosure or sub system particularly for applications with exposure to voltages greater than or equal to 75VDC or 50VAC CONTROLS amp INDICATORS Green Run LED will stay ON if power is on and unit is OK and will blink if unit fails Yellow BUS LED will turn ON if module is properly connected to the network and in data exchange mode ISOLATION BARRIERS Dashed Lines denote isolation barriers The input circuit network and power circuit are isolated from each other for safety and noise immunity Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 4 SETTING SLAVE ADDRESS Address is set to 126 7EH from the factory This address is reserved for commissioning purposes only Locate hexadecimal address switches in recessed opening next to the power terminals Use a screwdriver to rotate these switches to set a unique valid address from 0 to 125 If the switches are set to a va
22. ail sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output 1 5 Register Program Value Output values use integers with 20000 Analog Outputs representing 100 The required output register program value can be approximated using the DAC values shown above via the formula Register Value 20000 DAC Count DAC 0 DAC Span Ideal Current Output Register Program Value Voltage Output Specifications 973PB Only Output Range Select 0 10V DC 0 5V DC or 0 1V DC Ranges are sub ranges of nominal 0 11 3V design limit which includes approximately 13 of over range Output Maximum Voltage 11 3V typical Output Accuracy See Resolution and Accuracy Table under General Specifications Output Current 0 10mA DC maximum Output Impedance 19 Output Short Circuit Protection Included Response Time 110us rise time typical 150us fall time typical unloaded for output to reach 98 of the final value in response to a step command Actual response time will vary with load Output Resolution 1 part in 4046 based on 11 368V full scale or 2 81mV bit 11 368V 4046bits DAC Count Voltage The internal DAC count can be calculated by multiplying 355 96 by the sum of the output voltage and 0 1393 The resultant value rounded can be used to calculate the effective resolution and to approximate the required output register program value see below Note the effecti
23. and recheck your handheld unit to help pin point the portion of the network that is causing the problem Below are some ProfiBus connectors that we recommend Preferred Bus Connectors Siemens Part Number 6ES7972 0BA12 0XA0 Special Features Switchable termination Siemens 6ES7972 0BB12 0XA0 Adds PB interface piggy back DB9 for diagnostic connection Profichip PA003100 Adds PB interface amp 4 diagnostic LED s for trouble shooting ProfiBus includes a rich diagnostic function that can be used to troubleshoot ProfiBus devices This function contains 6 bytes of standard diagnostic information plus up to an additional 238 bytes of device specific diagnostic information Most configuration tools support this command and can read the diagnostic information from the Profibus device SYMPTOM Yellow BUS LED does not light POSSIBLE CAUSE Initialization Problem LED ON if module in data exchange state POSSIBLE FIX Check Station Address Is GSD file correct Check for wiring error Both internal EEPROM and external address switches are set to an address of 126 Module is awaiting Set Slave Address command in order to complete initialization Alternately set switches from 0 125 and re power Cannot communicate Power ON at module and or converter Check power Is green RUN LED ON Is address correct Check address settings Is the termination switch of the
24. ard 3 wire RS 485 multi drop half duplex D D bar and Common asynchronous Command Response Protocol Standard ProfiBus DP Master Slave protocol per European Norm EN50170 Baud Rate Supported baud rates are 9600 19 2K 45 45K 93 75K 187 5K 500K 1 5M 3M 6M and 12M bits per second auto detected Maximum transmission length is dependent on baud rate selection range is up to 1200M at 9600bps or up to 100M at 12Mbps Refer to the following table for maximum transmission distances at supported baud rates using recommended type A lt 30pF M or alternately type B lt 60pF M bus wire see EN50170 paud Rate oA mE Baud Rate Type A Type B 9600 bps 19 2K bps lt 93 75K bps 187 5K bps 500K bps 1 5M bps lt 12M bps Address Set via two rotary hexadecimal switches adjacent to the power terminals or alternately via the Set Slave Address command Valid setting is 0 125 7 bits Address 126 7EH is the default factory address and is reserved for commissioning purposes only Address 127 7FH is reserved by the software as a global address for broadcast messages If the address switches are set to 126 upon power up or 126 254 then the unit will retrieve its address from its internal EEPROM rather than the switches The internal EEPROM setting is modified via the Set Slave Address command Powering up with switches set to 255 FFH will cause the internal EEPROM setting to revert back to 126 7EH
25. ery important where property loss or human life is involved It is important that you perform satisfactory overall system design and it is agreed between you and Acromag that this is your responsibility GETTING STARTED MOUNTING AND DIMENSIONS 3 CONTROLS amp INDICATORG 2 ceseeeeeeeeeeeeees 3 ISOLATION BARRIERG 0 cceeeeeeeeeeeeeeeeeeeeeees 3 SETTING SLAVE ADDRESG csceeeeeeeeeeeeees 4 CONNECTIONS oiccicscoscnensceccesceheacacavensesedeexee ces 4 DIN Rail Mounting And Removal 0 4 NetWork cenina aaa 5 POWER ssor eai na Ea A S EEA aa neds 6 Analog Outputs cececeeeeeeeeeeeeeeeeeeeeenenees 6 Earth Ground viccieiccsntcisccescsantieesceeecentecnteenes 7 TROUBLESHOOTING ccceceeeeeeeeeeeeeeeeeeeeeees 7 Tips For Building ProfiBus Networks 7 Top Four Common ProfiBus Problems 8 Troubleshooting Tools ccccceeeeeeeeeeeeneees 8 Using Connectors To Troubleshoot 9 Diagnostics FUNCtION ccceeeeeeeeeeeeeeeeeee 9 Diagnostics Table cececeeeeseeeeeeeneeenenees 9 CALIBRATION seiiiesctstes cs sescccsstescseaveseeieeeeteayacess 10 TECHNICAL REFERENCE KEY FEATURES niasin 12 HOW IT WORKG 0cccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 13 SPECIFICATIONS visccceccieccssevacasccecteevessseeserseceeeves 14 Model NUMbe SS ccececeeeeeeeeeeeeneneeeeeeeenes 14 Analog Outputs cccecceeseeeeeeeeeeeeeeeeeeenaes 14 General
26. ess command after power up before proceeding to the parameterization state address 126 cannot be used in data exchange mode and is reserved for commissioning purpose only You must use the Set Slave Address command to change the internal EEPROM address following power up in order to proceed However if the switches are set to an address less than 126 upon power up then the switches determine the slave address and the EEPROM setting is ignored You can later restore the internal EEPROM setting to 126 by powering the unit up with the address switches set to 255 FF You would then power the unit up again with these switches set to 126 in order to return the unit to commissioning mode CONNECTIONS MODULE REMOVA at uscvourrmeentoamy When attaching the module to the T type DIN DIN Rail ee isurite rail angle the top of the unit towards the rail __ Ceeeer d and locate the top groove of the adapter over a l a E EE ER the upper lip of the rail Firmly push the unit amp Remova z Jea towards the rail until it snaps into place To Any Series 9XXPB ProfiBus Module remove first separate the input terminal block s from the bottom side of the module to create a clearance to the DIN mounting area Next while holding the module in place from above insert a screwdriver into the lower arm Mit Mm i 12 13 14 15 16 Klar
27. fails to return from an operation in a timely manner Wide Range DC Power Diode coupled for use with redundant supplies and or battery back up Hardened For Harsh Environments For protection from RFI EMI ESD EFT amp surges Has low radiated emissions per CE requirements Wide Ambient Operation Reliable over a wide temperature range Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output 1 3 These transmitters will drive up to six analog current outputs 972PB HOW IT WORKS or six analog voltage outputs 973PB and provide an isolated ProfiBus network interface for configuration and control of the outputs The ProfiBus protocol is implemented via the industry standard SPC3 ASIC from Siemens The ASIC transfers network data to the microcontroller and automatically provides a response to the bus The ASIC communicates with the network via an optically isolated RS485 transceiver This ASIC acts like a RAM or UART chip to the internal microcontroller and completely handles the requirements of the ProfiBus protocol The microcontroller completes the output transfer function according to the output type range per its embedded program and sends output values to two 12 bit quad output DAC s Digital to Analog Converters The corresponding DAC output voltages are sent to individual voltage to current converter circuits 972
28. k together Flexible Process Current Output 972PB Generates up to 6 process current signals in 3 ranges Flexible DC Voltage Output 973PB Generates up to 6 DC voltage signals in 3 ranges Selected Ranges May Vary Channel to Channel Multiple channels may have different ranges configured Auto Baud Rate Detection The baud rate is set automatically High Speed Data Rates Half duplex RS485 up to 12M baud Includes RTS Support ProfiBus interface includes the optional RTS Request To Send direction control Precise High Resolution D A Conversion Modules use high resolution 12 bit low noise digital to analog conversion for high accuracy and reliability Nonvolatile Reprogrammable Memory Allows the functionality of this device to be reliably reprogrammed thousands of times Fully Isolated Output channels as a group network and power are all isolated from each other for safety and increased noise immunity LED Indicators A green LED indicates power A yellow bus status LED indicates proper network connection and unit in data exchange mode Watchdog Timer Built In Standard for the ASIC and operates in the data exchange mode if communication with the master is lost Self Diagnostics amp Diagnostic Watchdog For easy maintenance and troubleshooting Includes a hardware watchdog timer built into the microcontroller that causes it to initiate a self reset if the controller ever locks up or
29. lect a high surge tolerant fuse rated for 1A or less to protect unit Note that input channels are not isolated channel to channel except for small common mode variations less than 4V peak These limits represent the minimum requirements of the standard but product has typically been tested to comply with higher standards in some cases Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 8 BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output Environmental Communication Interface WARNING This is a Class A product In a domestic environment this product may cause radio interference in which the user may be required to take adequate measures IMPORTANT Power input and output I O wiring must be in accordance with Class I Division 2 wiring methods Article 501 4 b of the National Electrical Code NFPA 70 for installations in the U S or as specified in section 18 1J2 of the Canadian Electrical Code for installations within Canada and in accordance with the authority having jurisdiction This equipment is suitable for use in Class I Division 2 Groups A B C and D or non hazardous locations only WARNING EXPLOSION HAZARD Substitution of components may impair suitability for Class Division 2 WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been switched off or the area is known to be non hazardous Interface Stand
30. lid address from 0 125 then the switch setting determines the slave address and the Set Slave Address software command will be rejected If these switches are instead set to 126 7EH upon power up or 126 to 254 the unit will retrieve its address from the internal EEPROM which is modified via the Set Slave Address command If these switches are set to 255 FFH upon power up this will return the address in EEPROM to 126 7EH BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output HEX ADDRESS MSD LSD x16 xi TOP EDGE VIEW SETER O HHHHFA HHHHHA SET SWITCHES TOA VALID SLAVE ADDRESS FROMO TO 125 00H TO 7DI FRR aS na Choose a slave address from 0 125 and locate highest MSD number less than this address Set MSD switch to this numbers HEX _ MSD 0 16 32 48 64 80 96 1 12 Tag M4 DE x16 HEX 0 zfel als ts pats p 1 O LSD DEC 0 2 3 4 Seas PASSES a baextoratetetatetetete atetoto Tete 2 Determine the DECimal remainder and set the LSD switch to its corresponding HEX digit The address stored in the internal EEPROM is modified via the Set Slave Address command If the address switches are set to 126 or 126 to 254 upon power up the module will retrieve the last address stored within its EEPROM 126 from the factory With both the internal EEPROM and external switch addresses set to 126 the unit will await the Set Slave Addr
31. may not precisely go to the OmA endpoint The 0 20mA range will typically approach OMA within 0 1 of span Do not use 0 as a calibration endpoint Output Maximum Current 20 8mA typical DAC count 3758 Output Accuracy See Resolution amp Accuracy Table under General Specifications Output Compliance 12V Minimum 13V Typical Output Load Resistance Range 0 to 625Q typical Response Time 11ms typical into 500Q for measurement to reach 98 of the final value in response to a step command Actual response time will vary with load Output Resolution 12 bits or 1 part in 4096 based on a theoretical 22 67mA over range value This is 5 535uA bit 22 67mA 4096bits Note the over range DAC count is internally limited to approximately 3758 or 20 8mA See below for effective resolution calculations DAC Count Current Internal DAC count can be approximated by multiplying the output current by 180680 The resultant value rounded can be used to calculate the effective resolution and to approximate the required output register program value see below The over range DAC count is internally limited to approximately 3758 or 20 8mA Internal DAC Count Versus Current Output Range DAC 100 DAC Span 181 181 3614 2891 3614 3614 The effective resolution is 1 part in the DAC Span The resolution and accuracy for the 0 1mA range is significantly less than the other ranges Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Em
32. nate range s Note that the alternate ranges are calibrated by interpolating their calibration endpoints from those of the base range After completing calibration the module should be reconfigured as required and placed in the normal Output Mode configuration output configuration is 4 or 6 output words only In general your software allows you to select the normal Output Mode configuration and the slave will then be taken off line by the master and reconfigured If reconfiguration is successful the slave module will pass to the data exchange state with a normal Output Mode configuration Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 2 BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output TECHNICAL REFERENCE KEY FEATURES PTO Certified Unit certified by the ProfiBus Trade Organization Safety Agency Approvals CE UL amp cUL listed plus Class 1 Division 2 Groups A B C D approvals Fully Independent Slave w Direct I O Connection This self contained unit does not require special bus couplers power supplies or a rack mount to operate Plug In Terminal Blocks amp DIN Rail Mount Make mounting removal and replacement easy Industry Standard ASIC Uses Siemens SPC3 intelligent ASIC to talk ProfiBus Isolated RS485 ProfiBus Network Interface Highly immune to noise and can operate over long distances Allows many modules to networ
33. ng cables do not mix A amp B connections Green wire is A Red wire is B The connectors must have built in inductors in order to operate at the higher baud rates GSD Files 972PB 2004 ACRO0769 GSD Ident_Number 0769H 972PB 2006 ACRO0768 GSD Ident_Number 0768H 973PB 2004 ACROO6FF GSD Ident_Number 06FFH 973PB 2006 ACROO6FE GSD Ident_Number 06FEH IMPORTANT Do not connect earth ground to logic Ground DB9 Pin 5 Earth Ground should connect to the cable Shield common to DB9 Pin 1 Note that Acromag modules also support the optional RTS direction control signal at Pin 4 Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 6 BusWorks 972 973PB User s Manual CONNECTIONS Example ProfiBus System Connections Up to 125 slave modules may network together with a class 1 master using four repeaters one repeater every 31 nodes Address 0 is typically reserved for the class 1 master Note 12Mbps installations require a minimum cable length of 1M between stations TIP A recommended RS485 repeater for ProfiBus is the Siemens 6ES7 972 0AA01 OXAO0 Power Voltage Current 973PB 2006 16VDC 207mA 24VDC 135mA 36VDC 94mA CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing Analog Outputs Output is DC Current 972PB or DC Voltage 973PB
34. ond calibration definition supports 4 or 6 output words plus an additional 4 or 6 output words that represent the channel calibration words Your Master software allows you to choose which mode the slave will assume normal Output Mode or Output Calibration Mode The method used to transfer information between the master and slave will vary widely between systems The steps below represent the minimum steps necessary to accomplish software calibration If you choose to perform output calibration and select the Calibration Mode the master will download the 4 4 or 6 6 word configuration during the startup sequence and the module may then be calibrated as follows Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output 1 1 IMPORTANT For best results you must measure the output signal via an CALIBRATION external current or volt meter that is at least as accurate as the module itself better than 0 1 of span Always calibrate the low value before the high value and allow the module to warm up a few minutes prior to calibration General Calibration Procedure 1 With your master software select the Calibration Mode from the GSD file when setting up the master to communicate with the module 2 With user parameterization bytes 1 6 or 1 4 set the base range for each channel to be calibrated Select 4 20mA for 972PB models
35. ot 5 ar ON EQUIPMENT WHEN JIA 3 AVAILABLE l I A 9 tt Ue Lal THE SHIELD IS COMMON TO THE HOUSING FOR METAL CABLE SHIELD I ENCLOSURES CABLE NOTE If a potential difference exists between SHIELD earth grounding points an equalization current 7 can flow through the cable shield when connected S i THE SHIELD IS COMMON TO THE HOUSING FOR METAL GROUND ENCLOSURES CLAMP at both ends In this case it may be necessary to install an additional potential equalization line between field locations to minimize this current as shown here ACROMAG MODULES EQUIPOTENTIAL BONDING STRIP T The metal shroud of the DB9 ProfiBus connector on IF NECESSARY SEE NOTE Use ProfiBus cable per DIN 19245 and EN 50170 Use only approved cables Acromag modules is common to pin 1 of the DB9 connector SHIELD This is also common to the a cable shield which must be earth grounded Acromag NS modules are enclosed in plastic and do not ny PROFIBUS CABLE provide a dedicated earth ground screw As such a local earth ground connection to the cable shield must be made as shown above The module routinely performs internal diagnostics following power up or reset During this period the green Run LED will flash for a moment If the diagnostics complete OK the Run LED will stop flashing after a few seconds and remain ON This indicates the unit is operating normally
36. s not normally required except as necessary to correct for long term component aging or to satisfy your company s maintenance requirements Do not attempt to recalibrate this module unless absolutely required as miscalibration will negatively affect the module s performance The Series 972 973PB output modules are calibrated using a single base output range with fixed calibration endpoints The calibration of the module s sub ranges are interpolated based on these results Prior to calibration the 972PB models must have the 4 20mA output range selected and the 973PB must have the 0 10V output range selected Calibration is then performed by adjusting the output signal level until its measured value precisely matches the low or high calibration range endpoint indicated With the output level precisely adjusted to the Calibration LOW or HIGH range endpoint signal the module is triggered to store the output channel s raw DAC count by toggling the corresponding channel s Cal HIGH upper byte or Cal LOW lower byte calibration register The following table gives the calibration values for the base output range of these models Your success in recalibrating the output will strongly depend upon the accuracy and precision of your measurement system with respect to calibrating the base range endpoints Cal LOW Zero Cal HIGH Full Scale Model Signal Write Signal Write 972PB 4 000mA_ 4000 20 000mA 20000 973PB 0 000V 0 1
37. the following functions e The ability to create a list of all stations connected to a network useful for identifying missing or offline devices e Test individual stations and help identify duplicate addresses e Measure the distance along a network segment to verify whether it complies with the Profibus requirements for distance and data rate e Detect signal reflections along the network useful for locating bus line interruptions and discontinuities Acromag strongly suggests the use of these tools for building and maintaining Profibus networks Note that Profichip also offers a Profibus connector PA003100 that includes 4 network diagnostic LED s that may be helpful in trouble shooting your network see table below Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output Q The standard 9 pin ProfiBus connectors with integrated termination resistors are also helpful in troubleshooting segments of the network In most of these connectors when the termination resistors are switched ON the outgoing portion of the connector is disconnected As such you can selectively disable segments of the network until you find the branch that is causing the problem For example if your handheld unit is connected to the beginning of a network and indicates a wire break you can selectively switch off portions of the network
38. to 20mA DC 028 1 3614 0 1 span 40 02mA 4 to 20mA DC 035 1 2891 0 1 span 0 02mA Model 973PB 2004 or 973PB 2006 0 10V DC 0 5V DC 281 1 356 10 8 span 8mV Note 0 1mA amp 0 1V ranges only Due to the possible inability of the output to precisely adjust to the ideal range endpoints as a result of the low resolution for the 0 1mA amp 0 1V ranges effective inaccuracy may be as high as 2 2 amp 1 1 respectively for these sub ranges Dimensions 1 05 inches wide 4 68 inches tall 4 35 inches deep Refer to the dimensions drawing at the front of this manual DIN Rail Mount Type EN50022 T rail 35mm I O Connectors Removable plug in type terminal blocks rated for 15A 300V AWG 12 24 stranded or solid copper wire Network Connector 9 pin D Sub connector female with metal housing and 4 40 jack screw support D Sub Pin Signal Description Shield Connect to Earth Ground No Connection Data A TxD RxD Request To Send RS485 Logic Ground 5V No Connection Data B TxD RxD No Connection Case Material Self extinguishing NYLON type 6 6 polyamide thermoplastic UL94 V 2 color beige general purpose NEMA Type 1 enclosure Printed Circuit Boards Military grade FR 4 epoxy glass Shipping Weight 1 pound 0 45 Kg packed ProfiBus Trade Organization PTO Certified Safety Approvals CE marked EMC Directive 89 336 EEC UL Listed UL508 UL1604 cU
39. value e f your network connects between buildings or runs through hazardous environments consider the use of fiber optics e Avoid drop lines and keep their length within the specified maximum For T drops consider using repeaters and active bus terminations 1 Incorrect slave address set at the slave 2 ProfiBus connector between the master and slave has its termination switch turned ON 3 Incorrect module configuration sent to slave 4 Configuration is based on outdated GSD file information There are several models of handheld devices on the market that simplify the installation and troubleshooting of ProfiBus networks The more sophisticated units include LCD displays that read out errors directly Two of these of these devices are referenced below Hand Held ProfiBus Network Maintenance Tools Manufacturer PartNumber Special Features Siemens BT 200 Primarily a Cable Tester Comsoft NetTest II Set Includes DP Mono Master 4000 7 06C J Functionality In general these devices can be used to check the network wiring before devices are connected to the bus and are often used to indicate Whether the A and B lines have been switched Whether a short exists between the A amp B lines and shield The occurrence of a wire break in the A or B line or shield line Improper termination These devices can also be used to check the RS 485 interface of ProfiBus devices after they have been connected They may include
40. ve resolution is 1 part in the DAC Span DAC 100 406 1829 3609 Register Program Value Output values use integers with 20000 representing 100 The required output register program value can be approximated using the DAC values shown above via the following formula Register Value 20000 DAC Count DAC 0 DAC Span Ideal Voltage Output Register Program Value Output Voltage 2 5V 5V 10000 20000 5000 10000 Accuracy Outputs are accurate to better than 0 1 of output span General Specifications typical for 4 20mA 0 20mA 0 10V and 0 5V ranges see table below This includes the effects of repeatability terminal point conformity and linearization Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 6 BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output General Specifications Enclosure and Physical Agency Approvals Ambient Temperature Effect Better than 005 of output span per C 50ppm C or 1 0uV C whichever is greater Digital to Analog Converter Burr Brown Texas Instruments DAC7615 12 bit Monotonic to 12 bits Integral Non Linearity 0 1 of span or 2LSB typical whichever is larger for spans equal to or greater than 16mA 972PB or 5V 973PB Analog Output Range Resolution amp Accuracy Output Range Effective Resolution Percent of Span Model 972PB 2004 or 972PB 2006 0
41. which may be used to recommission the module If both the internal EEPROM address and the switches are set to 126 upon power up this is the initial state from the factory the module will await the Set Slave Address command before completing initialization and assuming the data exchange mode Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 972 973PB User s Manual ProfiBus Current Voltage Output 1 Q IMPORTANT Address Setting The internal EEPROM address Communication setting and external switch setting is 126 from the factory As such the Interface module will await the Set Slave Address command following power up and will not proceed to exchange data unless the external switches are instead set to an address from 0 125 or the internal setting is changed to an address from 0 125 via the Set Slave Address command Parity Stop Bits Even parity with one stop bit Communication Distance Up to 1200 meters without a repeater Maximum Message Size Up to 32 bytes recommended extendable up to 244 bytes of data node message plus 11 bytes of overhead frame ProfiBus Character 11 bits 1 start bit 8 data bits 1 even parity bit 1 stop bit Applies to all bytes including frame bytes Ident_Number 0769H 972PB 2004 0768H 072PB 2006 O6FFH 973PB 2004 O6FEH 973PB 2006 GSD File 972PB 2004 ACRO0769 GSD 972PB 2006 ACRO0768 GSD 973PB 2004 ACROO6FF GSD 973PB 2006
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