Mitsubishi Electric MELSEC iQ-R Series Safety Manual page 48

Name
Interlock release request for each safety
connection (8th module)
*1 A safety station interlock release request is executed when the bit rises, and the interlock status is then released. To release the
interlock again, it is necessary to turn the request off and on again. After eliminating the cause of any communication errors, turn on the
request with the Safety CPU. When performing safety communications between Safety CPUs, perform this operation with both Safety
CPUs.
Safety station interlock status
Safety station interlock release
request
For details, refer to the following.
 MELSEC iQ-R CPU Module User's Manual (Application)
■Program example of releasing interlock
The following diagram shows a program for releasing interlock for the first module of the CC-Link IE Field Network of the CC-
Link IE Field Network master/local module connected to the following base unit. The following diagram shows a program
example used for checking safety station interlock status with safety connection No.1 using SA\SD1232.0 and releasing
safety station interlock of safety connection No.1.
Reset Safety station
switch interlock status
SA\SD1232.0
Safety station Safety station interlock
interlock status release request
4 PRECAUTIONS FOR USE OF SAFETY PROGRAMMABLE CONTROLLER
46
4.2 Precautions for Programming
No.
SA\SD1352 to SA\SD1359
ON
OFF
ON
OFF
An error occurs in A safety station
communications interlock is
with a safety station. released.
The relay is enabled
on the rising edge.
SA\SD1232.0
SET SA\SD1240.0
Safety station interlock
release request
SA\SD1240.0
RST SA\SD1240.0
Safety station interlock
release request
Description of bits of special register
0: I/O interlock of safety station on CC-Link IE Field Network not released
1: I/O interlock of safety station on CC-Link IE Field Network released
Turn off and on the bit corresponding to the safety connection to release the interlock.
(The bit does not automatically turn off after execution is complete.)
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
SA\SD1352 16 15 14 13 12 11 10
SA\SD1353 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
SA\SD1354 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
SA\SD1355 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
SA\SD1356 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
SA\SD1357 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
SA\SD1358 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97
SA\SD1359
1 to 120: Safety connection numbers
: Fixed to 0.
OFF
ON
OFF
An error occurs in
communications
with a safety station.
The relay is enabled
on the rising edge.
9 8 7 6 5 4 3
120 119 118 117 116 115 114 113
OFF
ON
A safety station
interlock is
released.
*1
2 1