ProfiBus/RS485 Network I/O Modules User`s Manual
Contents
1. NETWORK LENGTH PER PERIN EARD TE INSTALLED IN PC BAUD RATE w TYPE A Li PROFIBUS CABLE START OF NETWORK fee J e TERMINATION REQD sei CO So PROFIBUS MASTER A HOST PC WITH PROFIBUS CARD INSTALLED AND RUNNING APPLICATION SOFTWARE Oo NODE 1 l 1 2 3 l NODE 2 NODE 3 NODE 4 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 TERMINATION ON ONLY AT THE BEGINNING AND END OF A NETWORK OR NETWORK SEGMENT Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 981 982 983PB Module User s Manual v Connect 12 36V DC to the 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 UUUUUY LSD MSD 33 32 31 IMPORTANT External Fuse less for example see Bel Fuse MJS1 INPUT POWER IS ISOLATED 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 s2. 2 0123 oQ xr vu ADDRESS aa 2 oo DIGITAL IN or OUT HEX PWR 5 4567 te 2 fe Q000 a 891011 a 2 eg PROFIBUS OD Model 983PB 2012 Shown C 981PB 2012 amp 982PB 2012 Similar iN l DIGITAL IN or OUT DIGITAL IN or OUT Sera 8 TH On z xt ga Ss bs qo S amp S Se ale 11 12 13 14 15 16 21 22 23 24 25 26 U U ARAAAA AARAAA 4 t z VSVVGS OSSOS y A TB1 TB2 T RAIL DIN MOUNTING be 3 90 DIN EN 50022 35mm 99 1 4 35 NOTE Dimensions Are INCHES MILLIMETERS 110 5 MODEL 981 982 983PB ENCLOSURE DIMENSIONS DP SLAVE ADDRESS SWITCHES TB4 TB3 AAD PAA Poe DDD gt _ RUN PWR LED GREEN i i j Acroma M BUS STATUS LED YELLOW 7 Yudt UUUUUU N K 46 45 44 43 42 41 LSD MSD 33 32 31 Sow I O LED s YELLOW See Rie JR ON WHEN OUTPUTS ARE EE stave o amp 50123 CONDUCTING OR INPUTS S099 829 ADDRESS A S z eo ARE ASSERTED LOW DIGITAL IN or OUT HEX PWR 6 C000 p 891011 5 gt _ PROFIBUS a Model 983PB 2012 Shown 981PB 2012 amp 982PB 2012 Similar DIGITAL IN or OU DIGITAL IN or OUT PROFIBUS CONNECTOR sess es Ss Pece DB9 FEMALE pass SS gi ESTE gt H H 11 12 13 14 15 16 H 21 22 23 24 25 26 y4 D RAARAA RARARARAARAR T T T A REMOVABLE PLUG IN TYPE lSsisssJs VV Ise TERMINAL BLOCKS TB1 TB2 981 982 983PB DIGITAL I O PWR ISOLATION aa an DIAGRAM ADP APS AO 7 4 U0U0DUD UoUuUU 46 45 44 43 42 41 a LSD MSD 33 32 31 a zES ee Bir SLAVE d essss sh ADDRESS amp
3. s that may be helpful in trouble shooting your network see table below The standard 9 pin Profibus connectors with integrated termination Using Connectors To resistors are also helpful in troubleshooting segments of the network In Troubleshoot 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 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 Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 2 BusWorks 981 982 983PB Module User s Manual 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 Preferred B
4. 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 Communication Interface Standard 3 wire RS 485 multi drop half duplex D D bar and Interface 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 mace See Baud Rate 9600 bps 19 2K bps lt 93 75K bps 187 5K bps 500K bps 1 5M bps lt 12M bps Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O 1 Q Parity Even parity Communication Stop Bits One Interface Communicatio
5. 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 connected to the network and in data exchange mode Yellow I O LED s will turn ON if output switch is closed or input signal is asserted low ISOLATION BARRIERS Dashed Lines denote isolation barriers The I O 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 Awww acromag com 4 BusWorks 981 982 983PB Module User s Manual SETTING SLAVE ADDRESS Address is set to 126 7EH from factory This address is reserved for commissioning purposes only Locate hexadecimal address switches in recessed opening next to 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 valid address from 0 125 then the switch setting determines the slave address and the Set Slave Address 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 I O PULLUP RESISTOR INSTALLATION 5 6KQ I O Pullup resistors are
6. Temperature 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 18 7 C The maximum possible temperature range is 3276 8 C to 3276 7 C Discrete A discrete value is generally indicated by a single bit of an This Model 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 typically 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 I O channels of this model are active low 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
7. I O channels are not isolated channel to channel Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 8 BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O Environmental Electromagnetic Compatibility EMC Minimum Immunity Per European Norm EN50082 1 These limits represent the Electrostatic Discharge ESD Immunity 4KV direct contact and 8KV minimum requirements of the air discharge to the enclosure port per EN61000 4 2 standard but product has Radiated Field Immunity RFI 10V M 80 to 1000MHz AM and typically been tested to comply 900MHz keyed carrier per EN61000 4 3 and ENV50204 with higher standards in some Electrical Fast Transient Immunity EFT 2KV to power and 1KV to cases signal I O per EN61000 4 4 Conducted RF Immunity CRFl 10V rms 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 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
8. condensing Power Requirements Non polarized 11 36V DC SELV Safety Extra Low Voltage Observe proper polarity See table for current Note that current draw will decrease up to 8 as the baud rate is increased to 12MB Data below is at 9600 baud Supply 981 982 983PB 2012 Current Draw 203mA Typical 224mA Maximum 154mA Typical 170mA Maximum 94mA Typical 104mA Maximum 67mA Typical 74mA Maximum CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing Isolation I O channel 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 Inputs outputs do not change states with interference from switching solenoids commutator motors and drill motors ProfiBus Digital I O 1 T Enclosure and Physical Agency Approvals Environmental CAUTION Do not exceed 36VDC peak to avoid damage to the module External Fuse Select a high surge tolerant fuse rated for 1A or less to protect unit Note that
9. 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 Bus Idle State 1 a start bit causes line to go to O An idle state of at least 33 Thits sync time must be provided between messages Note 1Tbit at 12Mbaud 1 12000000bit sec 83nsec Ident_Number O6F3 Hex 981PB 2012 O6F2 Hex 982PB 2012 O6F1 Hex 983PB 2012 GSD File ACROO6F3 GSD 981PB 2012 ACROO6F2 GSD 982PB 2012 ACROO6F1 GSD 983PB 2012 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 3900 A to GND and 3900 B to 5V Use 2 0 25W resistors LED Indicators Controls amp Indicators Run Green Constant ON if power is on and unit is OK Flashing ON OFF indicates unit is performing diagnostics first few seconds after 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 Output Yellow One Per Output ON if output relay is ON closed Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 20 BusWorks 981 982 983P
10. sogigenenscna cacHacHIcHO ooe OOD KIKK THE EVEN NUMBERED PINS OF oooopopopoo _ooooonnnonn Ina A T THE SOCKETS ARE TIED TO THE PORT EXCITATION TERMINAL 5 ETH j PULLUPS ARE LOCATED IN SOCKETS WHEN REPLACING SIPS OR CHANGING VALUES WATCH TEIDIP DPOF TADDA ON PLUG IN I O BOARD AS SHOWN HERE THAT POWER DISSIPATION _ DOES NOT EXCEED SIP RATING EXC porto RTN EXC PORT1 RTN WHEN REPLACING COVER ALIGN ALL PINS THEN SNAP TOGETHER IN SEQUENCE TO SECURE COVER USE SMALL SCREW DRIVER CHO 3 CH4 7 TO PRY OFF SIDE COVER 981PB 982PB 983PB SHOWN COVER IS HELD IN PLACE WITH EIGHT SNAP PINS CAUTION HANDLE CIRCUIT WITH SIDE COVER REMOVED CAREFULLY SEPARATE USING ESD SAFE PROCEDURES AND I O BOARD SEPARATED VO BOARD FROM BASE BOARD Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 981 982 983PB Module User s Manual To Remove or Replace Factory Pullup Resistors Locate pullup resistor SIP s installed in sockets of plug in I O board as shown above You must remove the side cover and separate the two boards to remove or install these resistors 5 6K resistor SIP s are installed from the factory Remove these resistors if I O channels are pulled up externally Limit power in each SIP resistor to 0 4W maximum PUSH When attaching the module to the T type DIN rail angle the top of the LeeLee 222 unit towards the
11. 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 6 BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O Digital Outputs 982PB amp 983PB Only To control higher voltages and or currents or for controlling AC an interposing relay may be used see Note General Specifications Enclosure and Physical Note 983PB The 100KQ series input buffer resistors in combination with the 5V voltage clamps at the input buffers will tend to increase the off state drain current with increased drain voltage up to 0 3mA at 35V This is due to the fact that the input buffer circuitry and output mosfet drain circuitry are connected in tandem to the same I O pin for the Model 983PB Output ON Current Range 0 to 500mA DC continuous up to 6A total for all 12 channels combined No deration required at elevated ambients Group one RTN per each group of 4 outputs Output Ras ON Resistance 0 130 typical 0 28Q Maximum Output Response Time 220us typical measured from output trigger at the ASIC to corresponding input transition at the ASIC Actual switch time will vary with output load and interrupts Note Per UL when the outputs are used to control interposing relays for switching AC and DC devices of higher voltage current the coil ratings for the interposing relay shall not exceed 24VDC 100mA I O Pullups amp Socket I O channels include sockets for installation of optional SIP resistor netw
12. Acromag BusWorks 900PB Series ProfiBus RS485 Network I O Modules Model 981PB 2012 12 Active Low Digital Inputs Model 982PB 2012 12 Sinking Digital Outputs Model 983PB 2012 12 Tandem Digital Input Output USER S MANUAL My Ty 10 en Ld wore i a mS vr ae O BUS OV en EOG ye A E lan sor Me bg ye 68 nes ACROMAG INCORPORATED Tel 248 624 1541 30765 South Wixom Road Fax 248 624 9234 P O BOX 437 Wixom MI 48393 7037 U S A Copyright 2002 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500 689 D04J008 2 BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O 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 sens
13. B Module User s Manual ProfiBus Digital I O Module Specific This model includes three user parameterization bytes User_Prm_Data Parameters defined as follows Description Default Do Not Use Reserved for SPC3 ASIC 982 983PB Only Action taken in Clear Mode or upon watchdog timeout OOH Clear outputs set all outputs to zero 01H Do not change maintain last output states 02H Set outputs according to user definition in bytes 1 and 2 defined below 982 983PB Only Output Data lower byte bits 0 7 for digital outputs 0 7 Bit position determines output channel 0 Output OFF 1 Output ON 982 983PB Only Output Data upper byte bits 8 11 for digital outputs 8 11 bits 12 15 are not used and set to 0 Bit position determines output channel 0 Output OFF 1 Output ON This model does not include any user defined diagnostic data Ext_Diag_Data Data Types I O values of Acromag 9xxPB modules are represented by the following simple data types for temperature percentage and discrete on off Note that when transferring words data bytes are transmitted using Big Endian format MSB first LSB second Percentage 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
14. D 5V EXC N C 5 6K OTHER THREE A CHAN OF PORT 100K YQ ms gt O tH ZN vO R eC RPh ORT pei LONLY x RTN y m LOGIC TTL MONITOR 981PB amp 983PB ONLY ADJUST VOLTAGE V AS REQUIRED TO CHANGE EXCITATION CURRENT I OR CHANGE SIP RESISTOR VALUE CH LED IS ON FOR ACTIVE LOW INPUT ON 983PB UNITS MAKE SURE OUTPUT IS OFF 0 FOR INPUT ONLY APPLICATIONS EXC 981PB or 983PB hg 9 e 5 6K SIP RESISTOR 5V INSTALLED IN SOCKET f ON R TO OTHER 3 A ON LIM CHAN OF PORT 100K OFF OFF aed L ie gt O WY 7 w gt O 5V vO R RLIM IS INCLUDED TO PROTECT DRIVER IF 983PB CH F TANDEM OUTPUT IS Ly ON SAS INADVERTANTLY faal TURNED ON OFF e 9 o RTN v ON 983PB KEEP OUTPUTS TURNED OFF TO MONITOR EXTERNAL LOGIC SIGNAL v Connect digital outputs to the output terminals Refer to figures below SIMPLIFIED 982PB CHANNEL Output Only SIMPLIFIED 983PB CHANNEL Tandem Input Output S AAi 5 6K 9S k D A d 6K SIP RESISTOR SIP RESISTOR EXC 3 IN
15. IC Siemens SPC3 intelligent ASIC for ProfiBus e Isolated RS485 ProfiBus Network Interface Immune to noise amp can operate over long distances Allows many modules to network together e Auto Baud Rate Detection The baud rate is set automatically e High Speed Data Rates Half duplex RS485 up to 12M baud e Includes RTS Support ProfiBus interface includes the optional RTS Request To Send direction control e Failsafe Mode Support Slave outputs can be sent to a failsafe state if the slave master fails e Supports Set_Slave_Address Command Allows unit to have its address set via software e Supports Sync amp Freeze Useful for synchronization of output control e Nonvolatile Reprogrammable Memory Allows the functionality of this device to be reliably reprogrammed thousands of times e Fully Isolated I O channels network and power are all isolated from each other for safety and increased noise immunity e Flexible Discrete Inputs and Outputs High voltage amp current open drain outputs provide direct low side control of external devices Buffered inputs allow outputs to be read back or input levels to be monitored e Tandem Input Output Circuitry 983PB Only Input buffers are connected in tandem with open drain outputs for convenient loop back monitoring of the output state e Convenient Pullup Resistors Mounted In Sockets SIP resistors are installed in sockets on the I O board and prov
16. NLY PLONY J YQ RTN Vv ADJUST VOLTAGE V AS REQUIRED TO CHANGE EXCITATION CURRENT I OR CHANGE SIP RESISTOR VALUE CH LED IS ON FOR ACTIVE LOW INPUT ON 983PB UNITS MAKE SURE OUTPUT IS OFF 0 FOR INPUT ONLY APPLICATIONS ProfiBus Digital I O T CONNECTIONS Power Voltage Current CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing Digital Inputs 981PB amp 983PB Only Inputs are active low Input threshold is TTL compatible Limit Input Voltages to 35V maximum Note Do not allow EXC or unused inputs to float If pull ups are installed this will cause one I O signal to pull the other floating port channels via the pull ups and common EXC lead connection Normally Open Dry Contact Relay Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 8 CONNECTIONS Normally Closed Dry Contact Relay Digital Inputs Digital TTL Logic Monitor Digital Outputs 982PB amp 983PB Only Outputs are the open drains of DMOS mosfet switches for DC current sinking applications only Outputs turn OFF open following a software or power on reset of the module BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O DRY CONTACT RELAY CONNECTIONS NORMALLY CLOSED 981PB amp 983PB SIP INSTALLE
17. STALLED EXC INSTALLED 5V IN SOCKET IN SOCKET f ON 1 1 0 TO OTHER 3 1 0 TO OTHER 3 S CHAN OF PORT ON 1 CHAN OF PORT L OFF 0 LPL OFF 0 fas OFF OFF 0 onm as R on ty CH Active LOW oii Active LOW A LED ALED QH RTN Vv RTN DIGITAL OUTPUT CONNECTIONS POSSIBLE VARIATIONS CURRENT SINKING DC APPLICATIONS ONLY INTERNAL OUTPUT am PULLUPS ARE OPEN B SaS Be R D E k 983PB SIMPLIFIED INTERNAL 1 0 3 SHIELDED CABLE CONNECTIONS ONE CHANNEL oo J TBT 5V gt ilETexc 5 3i OUTO S a 2 0 35V oi S DI 5 PULLUP D S S z IN SOCKET L H K OUT2 S DIN 2 100K Vix OUTS S e 5 A OV g 8 KS a TB1 a a NV OPEN DRAIN OUTPUTS FOR GREATER OUTPUT DRIVE SHARE RETURN Vv CONNECT AN INTERPOSING RELAY L EARTH GROUND Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 981 982 983PB Module User s Manual IMPORTANT Add Protection With Inductive Loads Outputs already ProfiBus Digital I O Q Digital Ouputs include internal reverse bias shunt diodes to help protect the output switch 982PB amp 983PB Only from damage due to the high reverse bias voltages generated when switching inductive loads You should a
18. already installed from the factory You do not need to refer to this information unless you need to change or remove these resistors You must connect excitation and or install pull ups for proper operation I O terminals must not be left floating ProfiBus Digital I O HEX ADDRESS MSD LSD x16 x1 TOP EDGE VIEW H FY HY FH HWHHHHHH D T HHHHA HHHHHH SET SWITCHES TO A VALID SLAVE ADDRESS FROM 0 TO 125 00H TO 7DH 1 Choose a slave address from 0 125 and locate highest MSD number less than this address Set MSD switch to this number s corresponding HEX digit msD 0 16 32 48 64 80 96 112 128 Ma NeQ NG Tag 208 224 240 x16 Hex o 1 2 3 4 5 6 7 RNAAR tafe hy Lsp DEC 0 112 31 4 516 7 8 9 10 41 12 13 14 15 xt THex oli 2 3i4is ej7 slojalsiclolele 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 Address command after power up before proceeding to the parameterization state address 126 cannot be used in data exchange mode and is reserved for commissioning purp
19. amp DIGITAL IN or OUT HEX PWR TRANSFORME B a 5v 3 gi v3 Ea api W DIGITAL IN or OUT DIGITAL IN or OUT Deoersnvz Sreere ESBESe qi FSS Se 11 12 13 14 15 16 21 22 23 24 25 26 anAAAA DARAAN U 5 VIVIVIVIVSE OSSIS TB1 TB2 DIGITAL I O DIGITAL I O ProfiBus Digital I O 3 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
20. ance standards use shielded cable and connect earth ground as noted Failure to use good wiring and grounding practices may be unsafe and hurt performance Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 O BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O PROFIBUS WIRING AND GROUND PROFIBUS PROFIBUS CONNECTOR GROUNDING CONNECTOR 1 Always connect the cable shield to earth ground at both m ends as shown PROFIBUS FIELD DEVICE 2 Ifthe field device does not include an earth ground i PROFIBUS FIELD DEVICE screw it may be necessary to strip the cable insulation near the field device and clamp the cable shield to a local al grounding bar or surface as shown bs vaj L EARTH GROUND SCRE oe Sos EARTH GROUND SCREW Aaa WHEN P A A F ON EQUIPMENT WHEN Y AVAILABLE THE SHIELD IS COMMON TO CABLE Ld THE SHIELD IS COMMON TO THE HOUSING FOR METAL SJ SHIELD INP GROUND THE HOUSING FOR METAL ENCLOSURES OUT R CABLE ENCLOSURES NOTE If a potential difference exists between SHIELD CLAMP GROUND earth grounding points an equalization current CLAMP can flow through the cable shield when connected B at both ends In this case it may be necessary to BR install an additional potential equalization line between field locations to
21. cro controller A wide input switching regulator isolated flyback provides isolated power to the I O circuit and the RS485 port Refer to the simplified schematic shown below to gain a better understanding of the circuit 983PB SIMPLIFIED SCHEMATIC fi 981PB 983PB INPUT BLOCK ISOLATED RS485 L BUFFERED INPUT L U P S Y X 9S r PROFIBUS VO MICRO TA SLAVE Active CONTROLLER ad keien LOW PROFIBUS WS Daa a TRANSCEIVER RTN ADDRESS on BUFFER PLI lore see E E gt Vv R ISOLATED INPUT POWER 982PB 983PB 982PB or OUTPUT BLOCK CH I O STATUS LED ISOLATED SECONDARIES TENDE 2 SIMPLIFIED SCHEMATIC 1 CHANNEL OF 12 R lt ISOLATED 14 T S DC V 981PB cance FLYBACK W POWER 983PB s SWITCHER Dc E O LOGIC av R POWER v i lt gt Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O 1 5 These DIN rail mount ProfiBus DP slave digital I O modules include twelve digital inputs 981PB twelve digital outputs 982PB or twelve combination SPECIFICATIONS digital input output channels 983PB and provide an isolated RS485 ProfiBus network interface Units are DC powered and include reverse polarity protection Outputs are open drain low side switches Inputs are activ
22. dd external protection near the inductive load to prevent these transients from being sent along the connection wires Place a diode 1N4006 or equivalent across an inductive load with the cathode to and the anode to Refer to the examples below for other types of output connections SOLID STATE RELAY SSR OR LED DRIVER TO Examples LOAD LINE EXC SPE Solid State Relay SSR or kt 8 sron LED Driver R zasne Y a cleat D Lep r Relay Coil or Solenoid 7 TS CHAN OF PORT 100K 4 F lorr Driver Note Protection V gt YQ me gt O y vO R Lamp Driver ae O x 982P ena CH PiLT Joe S RTN v RELAY COIL SOLENOID DRIVER INCANDESCENT LAMP CONTROL PXG 983PB me 983PB ttf OO 56k SP RESIS TOR 5V PA E T 5V INSTALLED Xx g iN SOCKET H 1N4006 p IN SOCKET ji X i x CHAN OF PORT rl S CHAN OF PORT 100K P So lore 100K OFF IV _ WV E dY S 5 35V vO R 5 35V 1 0 R 7 Y 982PB 983PB cH x Le OSIC 2N Ly ON gt fasi Lo lorr l lor oH m RTN v v Connect Earth Ground as shown in the connection drawing below Additionally ground the ProfiBus cable as shown 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 Earth Ground Warning To comply with safety and perform
23. ded for each port or group of 4 channels 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 Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 981 982 983PB Module User s Manual Network Connector 9 pin D Sub connector female with metal housing and 4 40 jack screw support D Sub Pin 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 cUL Listed Canada Standard C22 2 No 142 M1987 amp 213 M1987 Hazardous Locations Class 1 Division 2 Groups A B C and D Operating Temperature 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
24. e low Channel I O network and power are isolated Outputs have high voltage and current capacity for discrete on off control of external devices Non inverting buffered inputs provide support for digital level sensing or for simply reading back the tandem output 983PB I O channels share common Pull up resistors to the port EXC supply every four channels are installed in sockets on the board Non volatile reprogrammable memory in the module stores configuration information The ProfiBus model prefix 900 denotes the Series 900 The PB suffix Model Numbers denotes ProfiBus Select 981PB for digital inputs 982PB for digital outputs f or 983PB for tandem digital inputs and outputs The four digit suffix of this o ae hae model number represents the following options respectively 2 ProfiBus i Output DP 0 Default 12 12 Channels 983PB 2012 Inp Out Twelve active low buffered inputs with a common connection RTN For Digital Inputs DC voltage applications only Inputs include transient suppression and have 981PB amp 983PB Only series connected 100KQ resistors plus diode over voltage clamps to the internal 5V supply Sockets are provided at each port group of four channels for installation of SIP resistor networks that serve as pullups to the port EXC supply terminal 5 6K pull up resistor SIP s are installed from the factory External excitation is required for proper operation and is conn
25. ected between the port EXC and RTN terminals Input Signal Voltage Range 0 to 35VDC Input Current 293uA typical at 35VDC This is computed as the applied input voltage minus 5 7V divided by the series 100KQ input resistance Input Signal Threshold TTL compatible with 100mV of hysteresis typical Low to High threshold is 1 7VDC typical High to Low threshold is 1 6VDC typical Limit logic transition to TTL levels of 0 8VDC Max LOW level and 2 0VDC Min HIGH level Input Resistance 100KQ typical Input Hysteresis 100mVDC typical Input Response Time 800ns typical measured from input step to logic transfer at the ASIC Actual input response will vary with interrupts Twelve open drain DMOS mosfet switches with a common source Digital Outputs connection at the port RTN terminal For DC voltage and current sinking 982PB amp 983PB Only applications only Outputs have built in transient protection Sockets are provided at each port four channels for quick replacement and installation of SIP resistor networks that serve as pullups to the port EXC supply terminal 5 6K pull up resistor SIP s are installed from the factory Output OFF Voltage Range 0 to 35V DC Limit voltage to 35V or less or damage to the unit may result Output OFF Leakage Current 0 1uA typical 50uA maximum mosfet only 25 C 35V Does not include the tandem input bias current of 983PB models see below Acromag Inc Tel 248
26. esc siicccicceiccscecseccsnctsecseseaevesvessess 14 SPECIFICATIONS ties ceesencevcscccte sant ceedseentaecset teens 15 Model Numbels ceceeeeeeeeeeeeeeeeeeeeeneeees 15 Digital INPuts cceeeeeeeeeeee eee eeeeeee ne eeeeeeee 15 Digital OUTPUTS 0ccis5 cence ceceetcetsdeeseceeiies 15 General Specifications 2 csceeeeeeeeees 16 Enclosure and Physical eseseeeeseeeeeeees 16 Agency Approvals cececeseeeeceeeeeeeeseeeeenenens 17 Environmental 2 2 ccccceeeeeeeeeeeeeeeeeeeeeeees 17 Communication Interface eeeee 18 Controls amp Indicators ceceseeeeeeeeeeeeeeeees 19 Module Specific Parameters 0008 19 Data TYPOS wisi sccenscaeacseccevaciveseeeescdeaveneson 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 Awww acromag com BusWorks 981 982 983PB Module User s Manual ry TB4 TBS APAA PS AOS 7 7 UvvbuUu UbuUuUU s H Acromag IL x m RUN BUS 46 45 E 43 42 41 a LSD MSD 33 32 31 a Q4 ZEEE SLAVE
27. etworks 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 Part Number 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 the following functions e 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 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
28. ide input and output pull ups to the excitation supply These SIP resistors can be easily removed or exchanged according to your application e Outputs Have Built in Protection Over temperature and over current shut down protection is built in and outputs include active clamping circuitry for switching inductive loads e LED Indicators Yellow LED s indicate I O state active low Green LED indicates power Yellow BUS LED indicates data exchange mode e Watchdog Timer Built In Standard for the ASIC and operates in the data exchange mode if communication with the master is lost e Self Diagnostics amp Built In 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 fails to return from an operation in a timely manner e Wide Range DC Power Wide range diode coupled for use with redundant supplies and or battery back up e Hardened For Harsh Environments For protection from RFI EMI ESD EFT amp surges Has low radiated emissions per CE requirements e 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 1 4 BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O HOW IT WORKS 5 6K OHM SIP RESISTOR INSTALLED IN SOCKET The
29. istors are integrated in the ProfiBus connector When you switch termination ON the out going connections are disconnected from the network MODULE REMOVAL y USE YOUR FINGER TO APPLY FROM DIN RAIL DOWNWARD PRESSURE HERE AS YOU LIFT AND TILT MODULE TO REMOVE IT FROM RAIL ProfiBus Digital I O 5 If your application delivers power to the I O terminals rather than the excitation terminal the internal pull ups should be removed to avoid coupling current into adjacent port channels CONNECTIONS DIN Rail Mounting amp Removal 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 building cables do not mix A amp B connections Green wire is A Red wire is B The connector must have built in inductors in order to operate at the higher baud rates Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com 6 BusWorks 981 982 983PB Module User s Manual CONNECTIONS Network GSD Files 981PB 2012 ACROO6F3 GSD Ident_Number 06F3H 982PB 2012 ACROO6F2 GSD Ident_Number 06F2H 983PB 2012 ACROO6F1 GSD Ident_Number 06F1H IMPORTANT Do not connect earth ground to logic Ground DB9 Pin 5 Earth Ground should connect to Shield Common to DB9 Pin 1 Note that Acromag modules also support the optional RTS direction control signal at Pin 4 Example ProfiBus System Connecti
30. ken 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 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 All activated terminations must be powered all the time If this is not possible then consider using an active termination box Check whether the station address is set to the correct value If your network connects between buildings or runs through hazardous environments consider the use of fiber optics Avoid drop lines and keep their length within the specified maximum For T drops consider using repeaters and active bus terminations Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O 1 1 1 Incorrect slave address set at the slave Top Four Common 2 ProfiBus connector between the master and slave has its ProfiBus Problems 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 Troubleshooting Tools simplify the installation and troubleshooting of ProfiBus n
31. 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 3MB Bus Segment Length Limit Per Baud Rate For Type A Bus Cable BAUD 9 6K 19 2K 93 75K 187 5K 500K 1 5MB Type A 1200M 1200M 1200M 1000M 400M 200M Termination 12MB 100M 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 A network segment may contain up to 32 nodes without the use of a signal repeater Transmission distance is up to 1200 meters per segment without a repeater Termination must be placed at both ends of a network or network segment The total number of nodes and total distance may be extended by using signal repeater s aan The maximum number of modules possible is further limited by the address range from 0 to 425 RS485 SIGNAL TERMINATION SWITCH REPEATER 6 1 3 1 NODE 1 NODE 32 elle 1N 4 NODE 32 NODE 2 START OF SEGMENT END OF SEGMENT NODE 5 END OF NETWORK TERMINATION ON F NE TERMINATION ON TERMINATION ON SEGMENT 2 UP TO 1200 METERS UP TO 32 NODES PER SEGMENT PROFIBUS MASTER
32. minimize this current as shown here A oascra per an ACROMAG MODULES EN 50170 The metal shroud of the DB9 ProfiBus connector on Acromag modules is common to pin 1 of the DB9 connector SHIELD This is also common to the cable shield which must be earth grounded Acromag modules are enclosed in plastic and do not provide a dedicated earth ground screw As such a local earth ground connection to the cable shield must be made as shown above TROUBLE SHOOTING Tips For Building ProfiBus Networks EQUIPOTENTIAL BONDING STRIP IF NECESSARY SEE NOTE Use only approved cables lt lt with braided shields of density greater than 80 es N PROFIBUS CABLE ue Green Wire A Red Wire B 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 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 bro
33. n Distance Up to 1200 meters without a repeater 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 a default factory address 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 to 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 which may be used to re commission 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 IMPORTANT Address Setting The internal EEPROM address setting and external switch setting is 126 from the factory As such the 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 Maximum Message Size Up to 32 bytes
34. ons 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 OXAO ProfiBus Digital I O DB9 CONNECTIONS No Connection DIAAABS 2 Data A l Request To Send UUUUUU UUUUUU 46 45 44 43 42 41 LSD msp 33 32 31 a a ZEESe2 gr SLAVE o No Connection esSSss G ADDRESS A A Data B DIGITAL IN or OUT HE PWR No Connection A ProfiBus Connector Model 983PB 2012 Shown C Ct 981PB 2012 amp 982PB 2012 Similar DIGITAL IN or OUT DIGITAL IN or OUT n ProfiBus Socket 8 S 3 z R z 3 z DB9 Female nL a Kl11 12 13 14 15 16 K 21 22 23 24 25 26 i l ProfiBus RIGHT SIDE VIEW Cable IN OUT Green Wire A Network Red Wire B Network Length Use Type A ProfiBus cable per EN 50170 Keep
35. or or software failure in the design of any type of control or monitoring system This is very 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 DIMENSIONG 0seseeeeeeeenes 3 CONTROLS amp INDICATORG ccceeeeeeeeeeeeeeeees 3 ISOLATION BARRIERG 0 cc eeeeeeeeeeeeeeeeeeeeeees 3 SETTING SLAVE ADDRESS ccceseeeeeeeeeeneees 4 1 0 PULLUP RESISTOR INSTALLATION 4 CONNECTIONS siiin coc secsevscedenssscesseveeseeceneseeseetes 5 DIN Rail Mounting And Removal 08 5 NGtWOPK oecsovecisectecanezeecedanesedannansnceceedentngoeee 5 POWGD see scsesscnctcavessvessanenssacsmnceusiabarceaseeesarece 7 Digital INPUtS siisii enaena 7 Digital Outputs ccceeeeeeeeeeeeeeeeeeeeeeeneees 8 Earth Ground ssrssssskorsnrsrnai naiiai naa aein 9 TROUBLESHOOTING 0ccceceeeeeeeeeeeeeeeeeeeneneees 10 Tips For Building ProfiBus Networks 10 Top Four Common ProfiBus Problems 11 Troubleshooting Tools ccceceeeereneeeeeeeens 11 Using Connectors To Troubleshoot 11 Diagnostics FUNCTION ccceeeeeeeee ee ee ee eees 12 Diagnostics Table cceeceeeeeeeeeeeeeeeeeeee 12 TECHNICAL REFERENCE KEY FEATURE SS sees cc ccscegtancsetenuennescakeandastececeseden 13 HOW IT WORKS w
36. orks to act as pull ups for the channel These resistors are located on the plug in I O board cover removal required A SIP socket is included for each group of four channels port and a 5 6KQ resistor SIP is installed from the factory The even numbered pins of these sockets common leads connect to the port EXC terminal An external excitation supply is typically connected between the EXC and RTN terminals of the port The recommended SIP resistor is a four isolated resistor type 8 pins and may be obtained from Acromag or another vendor These SIP resistors typically come rated for 0 2W 0 3W or 0 4W per element For example refer to Bourns 4308R 102 4308M 102 or 4308H 102 parts You may also refer to Dale CSCO8C03 MSP08C03 or MSMO8C 03 parts The 5 6KQ SIP provided is a high power type from Bourns part number 4308H 102 562 and is rated at 0 4W per resistor up to 70 C See I O Pullup Resistor Installation section for more information IMPORTANT When selecting a SIP resistor be sure to limit the individual resistor power dissipation to less than the rated power per element This is 0 4W for the 5 6KQ SIP resistor installed from the factory Further do not exceed 500mA of drain current per output or 2A total per RTN terminal Excitation External External voltage is applied between the port EXC and RTN terminals and must be limited to 35V or less The EXC terminal is tied to the even numbered pins of the resistor SIP socket provi
37. ose 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 place the unit in commissioning mode 5 6K x4 ISOLATED PORT 2 0 5W RESISTORS RTN CH8 11 EXC RESISTOR BOURNS 4308H 102 562 fer EQUIVALENT BABAT BTs SERIES 981PB 982PB 983PB SIP PULLUP RESISTOR SOCKET LOCATION y e o OF A e ononon EACH PORT HAS A SIP RESISTOR LOCATED AS SHOWN AT RIGHT SIP RESISTORS PULL UP THE I O CHANNEL TO THE EXC SUPPLY BASE BOARD PLUGIN JOBOARD SIPS ARE INSTALLED IN SOCKETS ot xe AND X3 Turned Face Up PORT 0 SIP R2 INSTALLED IN X1 _ PORT 1 SIP R7 INSTALLED IN X2 o coo tte ttt tt PORT 2SIP R11 INSTALLED INX3 fd THE SIP IS AN ISOLATED RESISTOR tt NETWORK OF 4 ELEMENTS tt 5 ni FACTORY SIP VALUE IS 5 6K OHMS POWER IS 0 5W PER ELEMENT o
38. rail and locate the 7 eee top groove of the adapter over the i upper lip of the rail Firmly push the unit towards the rail until it snaps into place To remove first separate the TB3 save o amp aporess S amp HEX 7 OO Any Series 9XXPB ProfiBus Module T TYPE o DIN RAIL input terminal block s from the l bottom side of the module to create a y clearance to the DIN mounting area Ol Boe Se Next while holding the module in Se dea ee Remove Terminal Blocks On This A Side To Provide Clearance PRY WITH SCREWDRIVER INSERTED IN SLOT HERE DO NOT TWIST TO AVOID DAMAGING PLASTIC TAB PUSH SCREWDRIVER AS SHOWN TO TILT AND LIFT MODULE OFF RAIL place from above insert a screwdriver into the lower arm of the DIN rail connector and use it as a lever to force the connector down until the unit disengages from the rail do not twist the screwdriver to avoid damaging plastic Siemens ProfiBus Connector DB9 Male Strip Cable Similar to Shown Termination R Switch gt on Ko ProfiBus Cable gt Green Wire A Violet Red Wire B IN OUT Network Use ProfiBus cable per DIN 19245 and EN 50170 Do not mix RS485 A amp B connections Green wire is A red wire is B You MUST terminate the network at both ends only Termination res
39. se digital I O modules will interface with any mix of up to twelve digital input and or output signals according to the model and provide an isolated RS485 ProfiBus interface for configuration monitoring and control of the I O Outputs of these models are the open drains of n channel mosfets 982PB amp 983PB Input buffers are connected in tandem with the drain circuits via series 100KQ resistors and over voltage clamps to 5V are connected to the buffer inputs 981PB amp 983PB I O terminals also include transient suppression Sockets are installed for installation of optional input or output drain pull up resistors and 5 6K SIP resistors are installed from the factory These resistors are pulled up to an external supply connected to the EXC and RTN terminals These modules implement the ProfiBus protocol via an industry standard SPC3 ASIC from Siemens This ASIC acts like a RAM or UART chip to the internal microcontroller and completely handles the requirements of the protocol standard The ASIC communicates with the network via an optically isolated RS485 transceiver It transfers network data to the microcontroller and automatically provides the response to the bus The microcontroller completes the information transfer according to its I O type and embedded program I O lines of the microcontroller switch outputs ON OFF and sample the digital inputs Embedded configuration parameters are stored in non volatile memory integrated within the mi
40. tgoing 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 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 93 75Kbps see Table Outputs Not Working Missing excitation connection Connect an excitation supply between the port EXC and RTN terminals Missing pull up resistors Install SIP resistor in socket on board for port of interest Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 981 982 983PB Module User s Manual ProfiBus Digital I O 1 3 TECHNICAL REFERENCE e PTO Certified Certified by the ProfiBus Trade Organization KEY FEATURES e Safety Agency Approvals CE UL amp cUL listed plus Class 1 Division 2 Groups A B C D approval e Fully Independent Slave w Direct I O Connection Self contained unit does not require special bus couplers power supply or rack mount to operate e Plug In Terminal Blocks amp DIN Rail Mount Make mounting removal and replacement easy e Industry Standard AS
41. urge tolerant fuse rated for a maximum current of 1A or v Connect digital input signals to the input terminals Refer to the figures below SIMPLIFIED 981PB CHANNEL Input Only SIMPLIFIED 983PB CHANNEL Tandem Input Output 9S SIP RESISTOR k d di d 5 6K EXC INSTALLED 5V EXC INSTALLED 5V IN SOCKET IN SOCKET ON 1 ON 1 1 0 TO OTHER 3 Vo TO OTHER 3 A CHAN OF PORT L OFF 0 CHAN OF PORT L OFF 0 ee OFF 0 100K OFF 0 ON 1 R TVS R ona y TVS kL 48V OFF 0 CH ona aav Q CH Active LOW vi l LED Active LOW SA LED Q RTN RTN v 983PB SIMPLIFIED INTERNAL I O DIGITAL INPUT CONNECTIONS CONNECTIONS ONE CHANNEL TB1 5V S E exe 5 5V S J X cHoo S PULLUP 2 IN SOCKET LOWSIDE SHIELDED CABLE 2 P nae SWITCH 5 E ILS DIE crox 100K tor S 2 cHo3 HS p lelrr Li OPEN TB1 L H COLLECTOR WE OR DRAIN v Refer to the examples below for other types of input connections DRY CONTACT RELAY CONNECTIONS NORMALLY OPEN S 981PB amp 983PB EXC 3 3 SIP INSTALLED 5V 5 6K tt OTHER THREE A CHAN OF PORT 100K V S w O vO 7 a 983PB CH Y no x L O
42. us Connectors Siemens Part Number 6ES7972 0BA12 0XA0 ProfiBus Digital I O Special Features Switchable Termination Siemens 6ES7972 0BB12 0XA0 Adds PB Interface Piggy Back DB9 For Diagnostic Connection Profichip PA003100 Adds PB Interface and 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 Both the internal EEPROM and external address switches are set to an address of 126 POSSIBLE FIX Check Station Address Is GSD file correct Check for wiring error Module awaiting Set Slave Address command in order to complete initialization Alternately set switches from 0 125 and re power Cannot communicate Power ON at the module and or RS485 converter Check power Is green RUN LED ON Is address correct Check slave address setting Is the termination switch of the Profibus connector at the prior node turned on Switch Termination on only at the ends of the network With termination switch on the ou
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