Mitsubishi Electric C70 Setup Manual page 377

MITSUBISHI CNC
Appendix 1 Explanation of Parameters
【#29067(PR)】 Communication Status & Error Module side Transfer Cont
Each node communication status & error status read word count
Set a read word count of the data where the I/O communication status and I/O communication error
status of the slave node are saved.
The standard setting is "8".
---Setting range---
1 to 8
【#29068(PR)】 Communication Status & Error PLC side Device
Each node communication status & error status read device
Set a device to store the following data:
The slave node I/O communication status is saved into 1st to 4th word.
All bits will be turned OFF when the "I/O communication in progress" (X01) has been turned OFF.
Bit settings: 0: Communication canceled / 1: Communication in progress
<1st word>
bit0: 0th slave node
bit1: 1st slave node
bitF: 15th slave node
<2nd word>
bit0: 16th slave node
bit1: 17th slave node
bitF: 31st slave node
<3rd word>
bit0: 32nd slave node
bit1: 33rd slave node
bitF: 47th slave node
<4th word>
bit0: 48th slave node
bit1: 49th slave node
bitF: 63rd slave node
The slave node I/O communication error status is saved into 5th to 8th word.
All bits will be turned OFF when the "I/O communication in progress" (X01) has been turned OFF.
However, when the bit corresponding to the node is ON in the down node detection disabling setting,
the error of the node will not be detected.
Bit settings: 0: No communication error / 1: Communication error detected
<5th word>
bit0: 0th slave node
bit1: 1st slave node
bitF: 15th slave node
<6th word>
bit0: 16th slave node
bit1: 17th slave node
bitF: 31st slave node
<7th word>
bit0: 32nd slave node
bit1: 33rd slave node
bitF: 47th slave node
<8th word>
bit0: 48th slave node
bit1: 49th slave node
bitF: 63rd slave node
---Setting range---
Within the number of device points set in the PC parameter's device setting.
360
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