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model 3000 DeviceNet Module Manual (DN311/DN311A)
Chapter 4 Operating Procedures for the DN311 (Software)
4
(4) Operation mode specifying information: 1 is significant in any of these bits.
Figure 4-17 Bit Configuration of Operation Mode Specifying Information
(5) Others
• The following combinations of requests are inhibited in operation mode specifying
information
(a) Simultaneous requests of standby and run
(b) Requesting an existing mode (standby/run)
• For confirmation of actual mode changes, refer to station status.
• To change bits A, 9, 4, and 3, set the DN311 in standby mode, then request new
settings together with a run request.
• Standby cannot be requested when bits A, 9, 4, and 3 are set to 1.
Table 4-15 Description of Operation Mode Specifying Information Bits
Bit Name Description
D STBY Standby request: Change from run mode to standby mode
C RUN Run request: Change from standby mode to run mode
A BITS Bit strobe transmission enable
9 POLL Polling transmission enable
4 START 1: Polling/bit strobe transmission start 0: Transmission stop
3 SYNC S controller ↔ DN311 transfer mode
1: Synchronous 0: Asynchronous
FEDCBA9876543210
00 0 0000 000
STBY BITS START
RUN POLL SYNC
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