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SECTION 2 CompoWay/F Communications Protocol
Timer PV
Timer type and time unit
Timer SV
Holding timer PV
Holding timer type and time unit
Holding timer SV
Weekly timer operation mode
Weekly timer SV
Calendar timer SV
Counter PV
Counter SV
● Reading Comparators
Analog input PV
18
• Timer and Counter Number Specifications
There is more than one timer and more than one counter, and so the
leftmost two digits of the address are used to specify the applicable
timer or counter. The timer and counter numbers and corresponding
addresses are given in the following table.
Contents
RS-485 communications can be used to read the variable area and
perform comparisons with the following three types of comparators.
1. Analog Comparators: Compare an analog input with a constant or
two analog inputs.
2. Comparators: Compare the present value of a timer, holding timer,
or counter with a constant or the present values of timers, holding
timers, or counters.
3. Eight-digit comparators: Compare the present value of an 8-digit
comparator with a constant.
Note: Refer to ntlp: 3-10 Analog Inputs (Analog Comparators (A)), 3-
11 Comparing Timer/Counter Present Values Using Compar-
ators (P), and 3-12 Comparing the 8-Digit Counter (F) Present
Value Using 8-Digit Comparators (G) in the ZEN Programmable
Relay Operation Manual for details on comparators.
• Comparator Number Specifications
There is more one of some types of comparators and more than one
analog input, and so the leftmost two digits of the address are used to
specify the applicable timer or counter. The comparator and analog
input numbers and corresponding addresses are given in the following
table.
Contents
Variable
Type/number
type
T0 to Tf (16 timers)
C0
C0
C1
#0 to #7 (8 timers)
C0
C0
C2
@0 to @f (16 timers)
C0
C5
*0 to *f (16 timers)
C6
C0 to Cf (16 counters)
C0
C3
Variable
Type/number
type
I4 and I5
C0
Addresses
0000 to 0F00
0001 to 0F01
0000 to 0F00
0003 to 0703
0004 to 0704
0000 to 0700
000B to 0F0B
0000 to 0F00
0000 to 0F00
0006 to 0F06
0000 to 0F00
Addresses
I4: 000D
I5: 010D
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