1771-6.5.49-DU3, Injection Control Module User`s Manual
Contents
1. For this ramp rate Enter this value 100 in 10ms 9999 100 in 100ms 1000 100 in 250ms 400 Enhancements for Firmware Revision C Injection Control Module Cat No 1771 QD B Documentation Update Use this procedure to compute ramp rates 1 Convert pressure setpoints to percent of maximum pressure Velocity setpoints already are in units of percent 2 Subtract the setpoints in percent to obtain the step change in percent over which you want to ramp 3 Determine how fast in what part of a second you want the ramp to occur 4 Divide the time into the step change from step 2 to compute the ramp rate Example Compute the acceleration ramp rate required to change from 600 to 1800 PSI in 1 5 second for a system with 2400 PSI maximum pressure 1 Convert pressure setpoints to percent of maximum pressure 600 PSI 2400 PSI 25 1800 PSI 2400 PSI 75 2 Subtract setpoints to obtain ramp range in percent 75 25 50 3 Ramp time is 1 5 second defined in the example problem 4 Divide ramp time into the step change to compute the ramp rate 50 step change 1 5 second ramp time 50 x 5 250 per second Answer 250 per second Chapter 10 page 10 1 Add to the table at the bottom of page 10 1 If this is this Then the QD module We recommend this LED color sees this condition corrective action ACTIVE green Lost communication with the processor 1 Verify the processor is in run mode FAULT of2. 1201 South Second Street Allen Bradley Europa B V Milwaukee WI 53204 USA Amsterdamseweg 15 Tel 414 382 2000 1422 AC Uithoorn Telex 43 11 016 The Netherlands FAX 414 382 4444 Tel 31 2975 60611 Telex 844 18042 FAX 31 2975 60222 Publication 1771 6 5 49 DU3 January 1992 As a subsidiary of Rockwell International one of the world s largest technology companies Allen Bradley meets today s challenges of industrial automation with over 85 years of practical plant floor experience More than 13 000 employees throughout the world design manufacture and apply a wide range of control and automation products and supporting services to help our customers continuously improve quality productivity and time to market These products and services not only control individual machines but integrate the manufacturing process while providing access to vital plant floor data that can be used to support decision making throughout the enterprise ASIA PACIFIC CANADA LATIN AMERICA HEADQUARTERS HEADQUARTERS HEADQUARTERS Allen Bradley Hong Kong Allen Bradley Canada Allen Bradley Limited Limited 1201 South Second Street Room 1006 Block B Sea 135 Dundas Street Milwaukee WI 53204 USA View Estate Cambridge Ontario NIR Tel 414 382 2000 28 Watson Road 5X1 Telex 43 11 016 Hong Kong Canada FAX 414 382 2400 Tel 852 887 4788 Tel 519 623 1810 Telex 780 64347 FAX 519 623 8930 FAX 852 510 9436 PN 955111 33
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4. Using This Update Correct Errors in DU2 for Appendices A and C Documentation Update Injection Control Module User s Manual Cat No 1771 QD B Use this Documentation Update with Injection Control Module User s Manual publication 1771 6 5 49 dated June 1990 Injection Control Module User s Manual Documentation Update publication 1771 6 5 49 DU2 This document a corrects errors in the previous update 1771 6 5 49 DU2 page 1 clarifies the definition and application of IB31 Minimum Percent Shot Size for Pressure Transition page 2 Profile Ramp Rates 20 eee eee page 2 describes enhancements for Revision C of the 1771 QD B module page 4 Keep this document with your manual Disregard the corrections to pages A 1 and C 6 in documentation update 1771 6 5 49 DU2 The original manual was correct for these pages Page A 1 The following original ranges and units are correct 7 0 9999 travel per second 8 0 9999 open per second 9 0 9999 close per second One or more of these changes also appear on pages A 3 A 5 A 6 and A 9 Page C 6 The following original ranges and units are correct Integer Range 0 to 09999 9999 full stroke in 10ms BCD Range 0 to 9999 Units Percent travel per second This change also appears on pages C 6 C 22 C 24 C 32 C 39 C 40 C 52 Injection Control Module Cat No 1771 QD B Documentation Update Clarifica
5. f The QD module received a valid 2 Check for a processor fault AUTO flashing config block but has not received 3 Troubleshoot your ladder logic a block transfer from the PLC processor in the time out period Injection Control Module Cat No 1771 QD B Documentation Update Enhancements for Firmware Revision C continued Appendix A page A 3 Replace CB36 40 RFU with the following CB36 63 RFU CB64 Reserved for module Do not use page A 13 Replace IS42 50 RFU with the following IS42 Maximum Cavity Pressure in Injection Phase 1843 50 RFU page A 14 Replace PkS 15 20 RFU with the following PkS15 Maximum Cavity Pressure in Pack Phase PkS 16 20 RFU Replace HS17 20 RFU with the following HS17 Maximum Cavity Pressure in Hold Phase HS18 20 RFU Enhancements for Firmware Revision C continued Appendix C page C 12 Replace CB36 thru CB40 Reserved with the following CB36 thru CB63 Reserved CB64 Reserved page C 88 Replace IS42 thru IS50 Reserved with the following IS42 Max Cavity Pressure During Injection IS43 thru ISSO Reserved page C 91 Replace PkS15 thru PkS20 Reserved with the following Injection Control Module Cat No 1771 QD B Documentation Update Not monitored by the QD module Not monitored by the QD module Reserved for module Do not use Zero when returned by the QD module Returns the highest cavity pres
6. sure recorded during the injection phase Integer Range 0 to 20000 PSI CBO05 B16 14 0 0 to 2000 0 Bar CBO05 B16 14 1 0 to 9999 PSI CBO05 B16 14 0 0 to 999 9 Bar CB05 B16 14 1 BCD Range Double this value when CB05 B17 15 1 Zero when returned by the QD module Zero when returned by the QD module PkS15 Max Cavity Pressure During Pack PkS 16 thru PkS20 Reserved Returns the highest cavity pressure recorded during the pack phase Integer Range 0 to 20000 PSI CBO05 B16 14 0 0 to 2000 0 Bar CBO05 B16 14 1 0 to 9999 PSI CBO05 B16 14 0 0 to 999 9 Bar CBO5 B16 14 1 BCD Range Double this value when CB05 B17 15 1 Zero when returned by the QD module Injection Control Module Cat No 1771 QD B Documentation Update Enhancements for page C 94 Firmware Revision C Replace continued HS17 thru HS20 Reserved Zero when returned by the QD module with the following HS17 Max Cavity Pressure During Hold Returns the highest cavity pressure recorded during the hold phase Integer Range 0 to 20000 PSI CBO05 B16 14 0 0 to 2000 0 Bar CBO05 B16 14 1 BCD Range 0 to 9999 PSI CBO05 B16 14 0 0 to 999 9 Bar CBO05 B16 14 1 Double this value when CB05 B17 15 1 HS18 thru HS20 Reserved Zero when returned by the QD module ALLEN BRADLEY WOU 94 ROCKWELL INTERNATIONAL COMPANY With offices in major cities worldwide WORLD EUROPE MIDDLE HEADQUARTERS EAST AFRICA Allen Bradley HEADQUARTERS
7. tion of IB31 Minimum Shot Size for Pressure Transition Clarification of Profile Ramp Rates Chapter 2 page 2 8 and Appendix C page C 21 Change text to the following IB31 Minimum Percent Shot Size for Pressure Transition To guard against premature pressure transitions from pressure spikes you can program the QD module to allow a ram or cavity pressure transition only after the ram screw injects a percentage of the shot size Starting near the back point the ram screw is inhibited from a pressure transition as it moves right to left until it reaches a percent shot size that you select For example The zone where a pressure transition When IB31 is is inhibited is shown shaded and a pressure transition can occur at any ram position less than 0 PB27 PB 9 PB28 397 PB27 0 67 PB28 66 PB27 0 33 PB28 99 9 PB27 Shot Size measured from ram bottom Cushion P28 PB27 _ Ram Direction of Ram Travel Back bottom point Ranges and units are Integer Range 0 to 099 99 BCD Range 0 to 99 99 Units Percent shot size traversed Appendix C pages C 6 22 24 32 40 52 Add the following to word descriptions CB10 IB32 33 41 42 PkB17 18 HB21 22 and PB35 36 We define the range of ramp rate as 0 to 9999 per second where 9999 full stroke in 10ms For example ramping 100 of output in 1 4 second equals 400 per second You would enter typical ramp rates as follows
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