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Publication S130E

Issue 1.0

Pakscan IIS Technical Manual

Power (ac)

Serial Port 1
Serial Port 2

Port A

OUT = Term'l 17

IN = Term'l 18

Port B
IN = Term'l 20
OUT = Term'l 21

Up to 32 actuators

per loop

Current loop

- up to 20 km

Fig. 5 - Outline of Pakscan System

Summary of Contents for Pakscan IIS

Page 1: ...Publication S130E Issue 1 0 23 June 1996 Pakscan IIS Master Station Technical Manual...

Page 2: ...r products their design is subject to change without notice The contents of this document are copyright and must not be reproduced without the written permission of Rotork Controls Ltd Modbus is a reg...

Page 3: ...8 5 Setup Menus 8 6 Field Unit Menus 8 7 Sequence and Interlock Menus 9 SETTING PARAMETERS and DOWNLOADING PROGRAMMES 9 1 Initial Decisions 9 2 Communication Ports 9 3 Loop Data 9 4 Tag Names 9 5 Date...

Page 4: ...4 Publication S130E Issue 1 0 Pakscan IIS Technical Manual...

Page 5: ...heck the internal link settings Make sure you understand how to connect the system Section 7 tells you how Find out about the screen displays there are examples of all screens in section 8 Set up the...

Page 6: ...6 Publication S130E Issue 1 0 Pakscan IIS Technical Manual Fig 1 Pakscan IIS Master Station and IQ actuator...

Page 7: ...is contained in the SCT programming manual The Pakscan IIS is equipped with two serial communication ports through which the master station can be controlled and operated from another device or the S...

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Page 9: ...ne unit suitable for mounting on a flat vertical surface The enclosure is sealed and weatherproof and all access is from the front of the unit The door hinged on the left provides access to the termin...

Page 10: ...keypad function buttons and LED s mounted on it Both of these internal circuit boards are protected by covers that prevent inadvertent access to the electronic components or high voltage circuits When...

Page 11: ...OMA RTSA CTSA 5 6 7 8 J6 J10 CTSA RTSA RS232 A B A B RS485 LOOP CABLES A B PORT 1 TO HOST PORT 2 TO HOST ALM NC ALM C ALM NO 29 30 31 NC ESD NC ESD 32 33 ESD WHEN INPUT OPEN CONTACT GND COMB RTSB CTSB...

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Page 13: ...hardware must be provided The ambient conditions should remain in the following bands at all times Temperature 10 30 degrees Centigrade Humidity Not to exceed 80 R H The equipment should not be stacke...

Page 14: ...e 1 0 Pakscan IIS Technical Manual Power ac Serial Port 1 Serial Port 2 Port A OUT Term l 17 IN Term l 18 Port B IN Term l 20 OUT Term l 21 Up to 32 actuators per loop Current loop up to 20 km Fig 5 O...

Page 15: ...FCUs is available to cater for specific application areas These may be summarised as follows Integral type field control units mounted within a Rotork actuator electrical housing Externally mounted fi...

Page 16: ...FU M A S T ER S T A T I O N B D R O TO R K I N ST R U M EN T S SK13 SK12 SK11 SK10 TB1 SK1 LK3 LK6 LK7 LK4 LK5 S2 S1 S3 A 1 0 2 2 5 6 5 IS S U E 1 1 E N L J5 J6 J10 J8 J9 J7 ESD ESD NC C NO COM IMOK H...

Page 17: ...which you may need to fit to match your particular application There are no jumper links on the display board that require customer adjustment The diagram Fig 6 is a view of the main circuit board wi...

Page 18: ...e This link provides the facility to completely discharge the RAM power supply capacitor The RAM data is supported by a large capacitor that is effective for several minutes in keeping the chip data v...

Page 19: ...able bonding conductor The cable must have BOTH the screen connections terminated at the master station to terminals 19 and 22 as indicated These connections are then decoupled to earth through suitab...

Page 20: ...to the Loop whenever these two terminals are unconnected A remote ESD contact process normal closed may be connected If the contact opens then an ESD is issued If the ESD function via these terminals...

Page 21: ...uration phase is entered after power up after a loop fault is detected or after a loop configure command is received Configuration consists of the following steps 1 Wait for all the field units to go...

Page 22: ...roken loop loopbacks in use communications failure to the last field units is taken as an indication of a fault In the event of a fault loop re configuration is initiated 6 3 Modbus Serial Interfaces...

Page 23: ...lant safety requirements it is essential that an Earth connection is made to the master station via the terminal and or the safety earth stud 7 3 Field Wiring The field wiring includes the loop wires...

Page 24: ...IIS MASTER STATION DISPLAY ACTUATOR TERMINALS A C B SCR ACTUATOR TERMINALS A C B SCR ACTUATOR TERMINALS A C B SCR LK4 LK5 SCREEN OF 2 WIRE LOOP TO BE CONNECTED TO MASTER STSTION TERMINALS AT BOTH END...

Page 25: ...To do this disconnect all the loop wires and the screen from the master station Measure and note down the resistance of each core they should both be the same as the cable is a pair Check the resistan...

Page 26: ...be slightly higher If any problems are encountered during these tests rectify them before proceeding Once these checks have been made the 2 wire cable should be connected to the master station The po...

Page 27: ...er keys for some menu choices Within the field unit menus they allow the user to move directly from on field unit to the next The LOAD key is used to complete the entry of a number 8 1 Keypad Security...

Page 28: ...nu see section 8 5 2 Alarm Linkage see section Loop Setup see section 8 5 3 Unit Addresses see section 8 5 4 Tag Setup Menu see section 8 5 5 Date Time see section 8 5 6 ESD Options see section 8 5 7...

Page 29: ...B 5 LBbusy Wait for LB 2 second wait for loopbacks to come on 6 LBbusy LBs off on A removing loopbacks from port A 7 LBbusy LBs off on B removing loopbacks from port B N B The normal sequence for a f...

Page 30: ...splayed if the Keypad ESD has been enabled see section 8 x6 Go to diagnostic menu Go to setup menu Return to previous menu After pressing any of the command keys 1 or 9 a confirmation message screen a...

Page 31: ...or when a reply is transmitted Tx The loop activity number shows the field unit address of the last field unit to send back a change of status data For a system which is working normally this should...

Page 32: ...protocol is needed to make use of this display Its purpose is help in commissioning a serial communications link to a Host computer by getting the master station to show what it thought it received If...

Page 33: ...med double speed Usually indicates that the loop will not tolerate double speed running The second line gives information about the type of loop fault found Zero Address a field unit has been found wi...

Page 34: ...mmunications condition and can be used as an indicator of the condition of the field unit before it actually may fail completely The bottom line shows some details about the field unit Type can be dis...

Page 35: ...ge Go to Loop options page Change unit address used in communications with host computers Go to FCU Tag names page Go to Date and Time setup page Go to ESD configuration page Go to Keypad security pag...

Page 36: ...t available depends on the version of software loaded into the master station Step round the baud rate options for the port Choices are 96000 38000 19200 4800 and 2400 Step round parity options These...

Page 37: ...larms accepted on one host port will also be accepted automatically on the other When Separate is selected the host ports have independent alarm handling and an alarm accept on one port is independent...

Page 38: ...it may be necessary to disable this feature if it causes a high error rate on the loop Commands available Step round the loop baud rate options Choices are 110 300 600 1200 and Change the highest fie...

Page 39: ...the sequence programmes and interlock data in the master station Reads and writes through this address programme and monitor the sequences and interlocks It is not possible to access the Pakscan data...

Page 40: ...to previous menu Master Station Tag 1 M S Tag MSTAG001 FCU address 2 FCU 2 FCU s Tag 3 Tag FCUTAG02 Editing a tag An arrow appears beneath the character being edited MSTAG001 Commands available The U...

Page 41: ...e form Day Month Year The time is displayed in the form Hours Minutes Seconds Commands available Set date Set time Return to previous menu 1 2 MENU Date 1 Date 05 10 95 Time 2 Time 10 32 00 Setting th...

Page 42: ...elect 1 2 or all 3 forms of ESD input to either enabled or disabled The default setting for this screen is all inputs disabled Commands available Enables disables host port ESD input Enables disables...

Page 43: ...communication links are inactive for 5 seconds then keypad commands can be entered provided the PIN is entered as with level 3 Commands available all changes require either the Access level to be set...

Page 44: ...t tripped W Watchdog reset m Manual operation c Control Not Available e Motor running at end of travel x Travel time exceeded IQ only a Auxiliary override alarm IQ only Commands available Send Open co...

Page 45: ...tor The flag LoBat is displayed if the field unit is reporting that the battery within the actuator is low Commands available Go to next field unit Go to previous field unit Go to torque display scree...

Page 46: ...lues outside that range may have been reset to zero If the IQ field unit has been programmed with a torque filter factor of 000 then these 8 torque values are automatically returned to the master stat...

Page 47: ...re comms failure power on reset and watchdog timer are valid alarms The commands are accessed by going to a second page This is because there is more data than for an actuator field unit Commands avai...

Page 48: ...ield Unit may be configured for fleeting relay outputs in which case it will not action the de energise commands and if the relays are energised their status will always display 0 Option 5 prompts the...

Page 49: ...e Display This display is put up if the field unit is not in communication with the master station Commands available Go to next field unit Go to previous field unit Go to next options page Return to...

Page 50: ...meter name and its current value are then displayed Values are displayed as hexadecimal numbers On entry of a parameter number other than 0 the master station fetches the data from the field unit and...

Page 51: ...provided detailed knowledge of the programmed sequences and the data structures they are using is required The first level screen shows the menu for the possible examination areas related to sequences...

Page 52: ...ng executed step of the sequence It is the absolute step number not the step within the sequence itself not the offset from the beginning of the particular sequence The phase of a sequence is a user p...

Page 53: ...flags that can be On 1 or Off 0 All data relating to sequences and interlocks is held held in Modbus registers Detailed knowledge of the register organisation is required to make use of this facility...

Page 54: ...ock failure to occur If there has been no failure they will be blank It is necessary to refer to the interlock set up information from SCT to make full use of the presented data Line 2 shows which int...

Page 55: ...the master station parameters no plant action will result The plant should only be returned to an operational state once you are satisfied that the parameters are correctly set or the programme operat...

Page 56: ...s 1 to select Port 1 The revealed screen shows the selectable options for Port 1 Pressing 2 will scroll round the available protocols select the required Note that Pakvision uses the Generic Modbus se...

Page 57: ...or the connected field units on the loop Enter the number of the highest address with the keypad numbers and press Load to confirm the setting The Master Station will then only poll around field units...

Page 58: ...en revealed will be as shown in section 8 5 7 It is possible to enable or disable the ESD action from the 3 possible sources on the system The default is to disable ESD on all inputs Pressing 1 2 or 3...

Page 59: ...revisit each screen for setting the Ports Loop Tags Time ESD and Access settings to make sure they have loaded correctly and that there are no mistakes As a final operation make a note of all the sett...

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Page 61: ...n checking the loop resistance and capacitance the operating loop baud rate was determined This baud rate must be set as the operating speed for ALL the connected field units Note that the Doubling op...

Page 62: ...tch off the nearest field unit and repeat the communication test with the next field unit Successively power off each field unit forwards round the loop until communication has been verified with all...

Page 63: ...t on the loop wiring this will prevent the master from communicating to this field unit Successively progress backwards round the loop powering on each field unit and establishing communications Fault...

Page 64: ...nce the loop has been configured If communications are not fully established see Section 10 3 for fault finding hints The line drive voltage can now be set with the aid of an oscilloscope Allow the ma...

Page 65: ...en flickers as field units are found there Having found all the field units the loop has to be left with loopbacks on the last on circuit field units only This involves waiting for loopbacks to come o...

Page 66: ...ble connections between the two These checks will usually succeed in getting messages going to and fro To assist in verifying that host communications are functioning correctly a simple screen is avai...

Page 67: ...t via the 2 wire interface This requires the disconnection of the field unit from a live loop The Field Test Unit can also program various field unit parameters The second device is the Master Station...

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Page 69: ...placing the unit Master Station Setup Record Master Station Modbus Address Host Seq Protocol Selected on Port 1 RS232 RS485 Baud Rate Parity Protocol Selected on Port 2 RS232 RS485 Baud Rate Parity Al...

Page 70: ...pose The settings you should make are detailed in the Paktester manual and the following charts used to note the settings for future reference IQ Actuator Field Units Position Address Type Position Ad...

Page 71: ...nalogue Update Time Analogue Deviation Threshold Motion Inhibit Time Motion Inhibit Deadband Tag Tag Actuator Man fer Type FCU Type Address Baud Rate Mode Analogue Update Time Analogue Deviation Thres...

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Page 73: ...ud rate 2400 4800 9600 19200 38 400 and 96 000 Parity Odd Even or None Stop Bits 1 Port 1 and 2 Both RS485 isolated or RS232 Relay Contacts outputs 300 mA at 24V dc or 130 mA at 125V ac 12 2 GP Field...

Page 74: ...losure are used for all the input and output connections to the 2 wire loop and the host system comms Fig 18 shows the connections together with the jumpers and switches that affect the use of some of...

Page 75: ...ency Shut Down signal may be configured as described in section 8 5 7 Note that each actuator is individually set for the action required on receipt of an ESD signal over the 2 wire loop Terminals LNE...

Page 76: ...nual 12 5 Master Station Dimensions Master Station Weight 5 5 Kg Material Steel cabinet Weatherproof Rating IP65 Pakscan IIS 350 80 300 fixing holes 7 mm 50 200 62 385 cable access 4 x 20 mm hinge on...

Page 77: ...xt should be located They may be produced on a suitable printer using a word processor and can be in colour if required Make sure the text fits within the label free area and the clear panel on the ma...

Page 78: ...l Signals RS 232 Host e g IBM PC Master Station 9 way D type Pin 2 Tx A 9 way D type Pin 3 Rx A 9 way D type Pin 5 Com Switches S1a S1b and S2 to be set OFF Open RS422 RS485 Link to Rotork PS410 RS485...

Page 79: ...y Odd The following information defines the sequence and interlock capability Sequences 80 Interlocks 128 Sequence Control Blocks 1000 Maximum number of blocks in one sequence 100 Functions 80 General...

Page 80: ...yed on the master station opening status screen The B alarm may sometimes be generated on power on and can be cleared This is normal for the unit The battery is used to retain the parameter settings c...

Page 81: ...If such excess is applied the product should be returned to Rotork or otherwise checked by a competent person before re use even if no damage is immediately evident Use only the specified fuse type a...

Page 82: ...ed by Rotork using statistical methods and the resulting figures should only be used for statistical purposes These predictions are only valid if the maintenance procedures and maintenance intervals s...

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Page 84: ...nical Manual UK head office Rotork Controls Ltd Bath England telephone Bath 01225 733200 telefax 01225 333467 USA head office Rotork Controls Inc 19 Jet View Drive Rochester New York 14624 USA telepho...

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