Emerson MCi210, Руководство пользователя

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32
MCi210 User Guide
Issue Number: 2
5.8 Menu 3 - Timer
This parameter is used to configure and control the Timer Unit.
The Timer Unit control word is a bit-mapped parameter, as shown in the table below:
Parameter Range Default Type
S.03.001 Timer Unit Control Word
0000000000 to
1101111100
0000000000 RW Bin US
S.03.002 Timer Unit Status Word 000 to 111 RO Bin ND NC
S.03.003 Timer Unit Timer Counter 0 to 65535 0 RW Num
S.03.004 Timer Unit Wrap Around Limit 0 to 65535 0 RW Num US
S.03.005 Timer Unit Capture Cache 0 to 65535 RO Num
RW
Read /
Write
RO
Read
only
Num
Number
parameter
Bit
Bit
parameter
Txt
Text
string
Bin
Binary
parameter
FI Filtered
ND
No default
value
NC
Not
copied
PT
Protected
parameter
RA
Rating
dependent
US
User
save
PS
Power-
down save
DE Destination
IP IP address Mac
Mac
address
SMP
Slot menu
parameter
S.03.001 Timer Unit Control Word
Minimum 0 (Display: 0000000000) Maximum 892 (Display: 1101111100)
Default 0 (Display: 0000000000) Units
Type 16 Bit User Save Update Rate Immediate
Display Format Binary Decimal Places 0
Coding RW, BU
Bit Description
0 to 2
Event Task Schedule:
Selects the event task that will be scheduled when the Timer Event Flag
(
Timer Unit Status Word ( S.03.002 ) b0) is set:
• 0 = No Event task scheduled
• 1 = Schedule Event0 task
• 2 = Schedule Event1 task
• 3 = Schedule Event2 task
• 4 = Schedule Event3 task
3
Enable Timer:
•
0 = Timer is disabled
• 1 = Timer is enabled
4
Clock Source:
•
0 = Internal clock
• 1 = External clock provided on digital input (DigIn1 or DigIn2, b9 depending)
5 to 6
Internal Clock Rate:
•
0 = 50 MHz
• 1 = 12.5 MHz
• 2 = 3.125 MHz
• 3 = 0.78125 MHz