Hardware manual

4 Allen-Bradley PLCs
2-133
Chap.2
4.5.2 SLC 500 (Half Duplex)
・ Bit Device
Device Symbol
Device Name
HG PLC
Address Range
Read
/Write
Address
Gradual
Timer (done) TDN T
4000 - 4255,
10000 - 255255
R
10
Timer (timing) TT T
4000 - 4255,
10000 - 255255
R
10
Timer (enable) EN T
4000 - 4255,
10000 - 255255
R
10
Counter (done) CDN C
5000 - 5255,
10000 - 255255
R
10
Counter (up enable) CU C
5000 - 5255,
10000 - 255255
R
10
Counter
(down enable)
CD C
5000 - 5255,
10000 - 255255
R
10
Counter (overflow) OV C
5000 - 5255,
10000 - 255255
R
10
Counter (underflow) UN C
5000 - 5255,
10000 - 255255
R
10
Counter (high-speed
counter update)
UA C
5000 - 5255,
10000 - 255255
R
10
Address selection rule is as follows.
Standard device address format of WindO/I-NV2
WB
２５５２５５
Example
SLC 500 Address --- T 4
：12 / TD
WindO/I-NV2 Address --- TDN 4
012
3 di
g
its Element number
3 di
g
its File number
Allen-Bradley device address format
TDN ２５５ : ２５５
3 di
g
its Element number
3 di
g
its File number