Mitsubishi Electric MELSEC IQ-R series Reference Manual page 103

The number of points equivalent to the specified 'Number of word access points' and 'Number of double word
access points' is specified for 'Device', respectively. When '0' is specified for the access points, this
specification is not required.
The following devices cannot be specified.
• Long timer (contact: LTS, coil: LTC)
• Long retentive timer (contact: LSTS, coil: LSTC)
• Long counter (contact: LCS, coil: LCC)
Page 71 Considerations when accessing long timer, long retentive timer, or long counter
8 DEVICE ACCESS
8.3 Random Read and Write
8
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