MELSEC-Q/L Programming Manual (MELSAP-L)

1 MELSEC-Q/L . Programming Manual (MELSAP-L). SAFETY PRECAUTIONS. Before using MELSEC-Q or -L series programmable controllers, please read the manuals included with each product and the relevant manuals introduced in those manuals carefully, and pay full attention to safety to handle the product correctly. Make sure that the end users read the manuals included with each product, and keep the manuals in a safe place for future reference. CONDITIONS OF USE FOR THE PRODUCT. (1) mitsubishi programmable controller ("the PRODUCT") shall be used in conditions.

2 I) where any problem, fault or failure occurring in the PRODUCT, if any, shall not lead to any major or serious accident;. and ii) where the backup and fail-safe function are systematically or automatically provided outside of the PRODUCT for the case of any problem, fault or failure occurring in the PRODUCT. (2) The PRODUCT has been designed and manufactured for the purpose of being used in general industries. mitsubishi SHALL HAVE NO RESPONSIBILITY OR LIABILITY (INCLUDING, BUT NOT LIMITED TO ANY AND ALL. RESPONSIBILITY OR LIABILITY BASED ON CONTRACT, WARRANTY, TORT, PRODUCT LIABILITY) FOR ANY.

3 INJURY OR DEATH TO PERSONS OR LOSS OR DAMAGE TO PROPERTY CAUSED BY the PRODUCT THAT ARE. OPERATED OR USED IN APPLICATION NOT INTENDED OR EXCLUDED BY INSTRUCTIONS, PRECAUTIONS, OR. WARNING CONTAINED IN mitsubishi 'S USER, INSTRUCTION AND/OR SAFETY MANUALS, TECHNICAL. BULLETINS AND GUIDELINES FOR the PRODUCT. ("Prohibited Application"). Prohibited Applications include, but not limited to, the use of the PRODUCT in;. Nuclear Power Plants and any other power plants operated by Power companies, and/or any other cases in which the public could be affected if any problem or fault occurs in the PRODUCT.

4 Railway companies or Public service purposes, and/or any other cases in which establishment of a special quality assurance system is required by the Purchaser or End User. Aircraft or Aerospace, Medical applications, Train equipment, transport equipment such as Elevator and Escalator, Incineration and Fuel devices, Vehicles, Manned transportation, Equipment for Recreation and Amusement, and Safety devices, handling of Nuclear or Hazardous Materials or Chemicals, Mining and Drilling, and/or other applications where there is a significant risk of injury to the public or property.

5 Notwithstanding the above, restrictions mitsubishi may in its sole discretion, authorize use of the PRODUCT in one or more of the Prohibited Applications, provided that the usage of the PRODUCT is limited only for the specific applications agreed to by mitsubishi and provided further that no special quality assurance or fail-safe, redundant or other safety features which exceed the general specifications of the PRODUCTs are required. For details, please contact the mitsubishi representative in your region. INTRODUCTION. Thank you for purchasing the mitsubishi Electric MELSEC-Q/L series programmable controllers.

6 Before using the product, please read this Manual carefully and develop familiarity with the functions and performance of the MELSEC-Q/L series programmable controllers to handle the product correctly. When applying the program examples provided in this Manual to an actual system, ensure the applicability and confirm that it will not cause system control problems. Please make sure that the end users read this Manual . 1. CONTENTS. SAFETY PRECAUTIONS ..1. CONDITIONS OF USE FOR THE PRODUCT ..1. INTRODUCTION ..1. RELEVANT MANUALS ..5. TERMS ..6.

7 CHAPTER 1 GENERAL DESCRIPTION 7. Description of SFC Program .. 9. SFC (MELSAP-L) Features .. 10. CHAPTER 2 SYSTEM CONFIGURATION 17. Applicable CPU Modules .. 17. Peripheral Devices for SFC Programs.. 18. CHAPTER 3 SPECIFICATIONS 19. Performance Specifications Related to SFC Programs.. 19. Device List .. 23. Processing Time .. 30. Processing time for SFC program .. 30. Processing time for S(P).SFCSCOMR instruction and S(P).SFCTCOMR instruction.. 34. Calculating the SFC Program Capacity.. 36. Method for calculating the SFC program capacity.. 36.

8 Number of steps required for expressing the SFC diagram as SFC dedicated instructions .. 37. CHAPTER 4 SFC PROGRAM CONFIGURATION 38. List of SFC Diagram Symbols .. 39. Steps.. 42. Step (without step attribute).. 42. Initial step .. 45. Dummy step .. 46. Coil HOLD step .. 46. Operation HOLD step (without transition check) .. 48. Operation HOLD step (with transition check) .. 49. Reset step .. 51. Block START step (with END check).. 52. Block START step (without END check) .. 53. End step .. 55. Instructions that cannot be used with operation outputs.

9 57. Transition .. 58. Serial transition .. 58. Selection transition .. 60. Parallel transition .. 63. Jump transition .. 67. Precautions for creating operation output (step)/transition condition programs .. 68. Controlling SFC Programs by Instructions (SFC Control Instructions).. 72. Step operation status check instructions (a, b, &a, &b, |a, |b) [Sn/BLm\Sn] .. 76. Forced transition check instruction (a, b, &a, &b, |a, |b) [TRn/BLm\TRn] .. 79. Block operation status check instruction (a, b, &a, &b, |a, |b) [BLm] .. 82. 2. Active step batch readout (MOV and DMOV).

10 84. Active step batch readout (BMOV) .. 87. Block START & END instructions (s, r) [BLm] .. 90. Block STOP and RESTART instructions (PAUSE, RSTART) [BLm].. 92. Step START and END instructions (s, r) [Sn/BLm\Sn] .. 95. Forced transition EXECUTE & CANCEL instructions (s, r) [TRn/BLm\TRn] .. 99. Active step change instruction (SCHG) .. 101. Block switching instruction (BRSET) .. 103. SFC Information Devices .. 105. CONTENTS. Block START/END bit .. 106. Step transition bit.. 108. Block STOP/RESTART bit.. 110. Block STOP mode bit .. 112. Continuous transition bit.