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CHAPTER 11 PROGRAMMING
11
11.4 Using Link Special Relay (SB) and Link Special Register (SW)
(15)Checking the operating status of when the submaster function is used and
switching a master operating station from a submaster station to a master
station
Use link special relays (SBs) and link special registers (SWs) to check the setting details of the parameters and
whether the parameters have been written. The operating status can be also checked using the CC-Link IE Field
Network diagnostics. ( Page 214, Section 9.3)
(a) Checking the operating status
The status of data link with the submaster function used can be checked using Master station information
(SB0070). The station number of a master operating station can be checked using Master operating station
number (SW006D) and that of a submaster operating station using Submaster operating station number
(SW006E).
(b) Switching a master operating station from a submaster station to a master station
While a submaster station is operating as a master operating station, the operation of a master station can be
switched from the submaster operation to the master operation. For link special relays (SBs) and link special
registers (SWs) related to the switching of a master operating station, refer to the explanation about the
submaster function. ( Page 200, Section 8.8.5 (2))
Number Description Number Description
SB0070 Master station information SW006D Master operating station number
SW006E Submaster operating station number
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