Emerson MCi210, Руководство пользователя

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34
MCi210 User Guide
Issue Number: 2
This parameter sets or displays the current Timer Unit value.
This parameter sets the wrap-around limit for the Timer Unit. When the Timer Counter ( Timer Unit
Timer Counter ( S.03.003 )) reaches this value bit 0 of Timer Unit Status Word ( S.03.002 ) will be set
if the Timer Unit is configured to be in free running mode (see Timer Unit Control Word ( S.03.001 )).
Bit Description
0
Timer Event Flag:
•
0 = No event has occurred
• 1 = An event has occurred (see description for Timer Mode (( Timer Unit Control Word
( S.03.001 ) bit 7 - bit 8). This flag will not be set if Event Task Schedule
( Timer Unit Control Word ( S.03.001 ) bit 0 - bit 2) is set to zero
Note: This bit is automatically cleared when the parameter is read.
1
Wrap-around flag:
•
0= Wrap-around has not occurred
• 1= Counter wrap-around has occurred
Note: This bit is automatically cleared when the parameter is read.
2
Timer Enabled:
•
0 = Timer is disabled
• 1 = Timer is enabled
Note: In case Register is configured the timer cannot be enabled.
S.03.003 Timer Unit Timer Counter
Minimum 0 Maximum 65535
Default 0 Units
Type 16 Bit Volatile Update Rate Immediate
Display Format None Decimal Places 0
Coding RW, BU
S.03.004 Timer Unit Wrap Around Limit
Minimum 0 Maximum 65535
Default 0 Units
Type 16 Bit User Save Update Rate Immediate
Display Format None Decimal Places 0
Coding RW, BU