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11.92 9 STEP 5 Operation Set with Programming Examples
9.3.11 Jump operations
9.3.11 Jump operations
The jump destination for unconditional and conditional jumps is specified symbolically
(maximum of 4 characters): the symbolic parameter of the jump command is identical with the
symbolic address of the statement to be jumped to. When programming, ensure that the
unconditional jump distance is not more than ± 127 words. If should be noted that a STEP 5
statement must not comprise more than one word. Jumps may only be executed within a
block. Jumps extending beyond networks are not allowed.
Operation Description
JU = Jump, unconditional
The unconditional jump will be executed independently of
conditions.
JC = Jump, conditional
The conditional jump will be executed if the result of the
logic operation is 1. If the RLO is 0 the jump will not
be executed and the RLO will be set to 1.
JZ = Jump if accumulator content is zero
The jump will be executed if the accumulator content is zero.
If the accumulator content is not zero the jump will not be
executed. The RLO will not be changed.
JN = Jump if accumulator content is not zero
The jump will be executed if the accumulator content is not
zero. If the accumulator content is zero the jump will not be
executed. The RLO will not be changed.
JP = Jump if accumulator content is positive
The jump will be executed if the accumulator content is
greater than zero. If the accumulator content is zero or
less than zero, the jump will not be executed. The RLO will not
be changed.
JM = Jump if accumulator content is negative
The jump will be executed if the accumulator content is
less than zero. If the accumulator content is zero or greater
than zero, the jump will not be executed. The RLO will not
be changed.
JO = Jump if overflow
The jump will be executed in the event of an overflow. If
there is no overflow, the jump will not be executed. The RLO
will not be changed.
© Siemens AG 1992 All Rights Reserved 6FC5197- AA80 9–37
SINUMERIK 840C/880 (PJ)
- SINUMERIK 840C 1
- SINUMERIK 880/880 GA2 1
- PLC 135 WB/WB2/WD 1
- SINUMERIK 2
- documentation 3
- Preliminary Remarks 4
- Contents 5
- 1 Introductory Remarks 8
- 1.3 Programming 9
- 1.3.1 Program structure 9
- 1.3.2 Program organization 10
- 1.3.3 Program processing 11
- 1 Introductory Remarks 12.93 13
- 2 Program Blocks 14
- 2.2 Calling program blocks 15
- 3 Data Blocks 16
- 3.2 Calling data blocks 17
- 3 Data Blocks 11.92 19
- 4 Function Blocks 20
- 4.2.1 Block header 21
- 4.2.2 Block body 21
- 4.3.1 Call statement 22
- 4.3.2 Parameter list 22
- 4.4.1 Library number 23
- 4.4.4 Block parameter types 24
- 5 Organization Blocks 27
- 5.2 Overview 28
- 5.3 Points of interruption 29
- 5.3.1 Normal mode 30
- 5.3.2 Response time 30
- 5.3.3 Special mode 31
- (LIM/SIM) 31
- 1) SINUMERIK 880 only 33
- PLC 1 PLC 2 34
- 11.92 5 Organization Blocks 39
- 5 Organization Blocks 12.93 40
- V Block type Block number 45
- 6 Start-up 46
- 6 Start-up 12.93 47
- 6.1 Self-diagnostics program 47
- 11.92 6 Start-up 48
- 6.3 User data blocks 49
- 6.4 Timeout analysis 49
- 7 Device Error Analysis 50
- 7.1 Interrupt stack 51
- 7.2 Detailed error code 54
- 8.1 Segment allocation 56
- 1) SINUMERIK 880, SW 6 57
- 8.1 Segment allocation 58
- 8.2 Segment switch 59
- 8.3 Block lists 59
- 8.3 Block lists 60
- Examples 61
- 9.2 Basic operations 64
- 9.2.2 Storage operations 67
- 1) Not for transfers 70
- 2) PII: Process input image 70
- 3) PIQ: Process output image 70
- 9.2.5 Comparison operations 80
- 9.2.6 Block calls 84
- 9.2.7 Code operations 86
- 9.2.8 Arithmetic operations 87
- 9.2.9 Other operations 88
- 9.3.2 Setting operations 89
- 9.3.8 Shift operations 95
- 9.3.9 Conversion operations 96
- 9.3.11 Jump operations 97
- 9.3.11 Jump operations 98
- 9.3.12 Processing operations 100
- 9.3.12 Processing operations 101
- SINUMERIK 840C/880 (PJ) 101
- 9.3.14 Other operations 103
- 9.3.14 Other operations 104
- 10.1 General 106
- AND-boxes 109
- Fig. 10.20 Connector for CSF 119
- 11 Hardware 122
- 12.93 11 Hardware 126
- Programmer 127
- 12.3 START PLC 128
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