Appendix
A-1 Channel/Relay Numbers
In CP1L or CP1E, channel (CH) numbers and relay numbers are specified as described below.
A
CP1L CPU Units
Area
I/O area
1:1 link area
CIO
area
Serial PLC link area
Work area
Work area
Holding area
Auxiliary area
DM area
Timer
Counter
*1 H512 to H1535 is FB special area.
*2 For 10/14/20-point I/O units: D0 to D9999, D32000 to D32767.
CP1E CPU Units
Area
I/O area
CIO
area
Serial PLC link area
Work area
Holding area
Auxiliary area
DM
E-type
area
N-type
Timer
Counter
102
SYSMAC CP1L/CP1E Introduction Manual
Each channel consists of 16 bits.
Hence, relay numbers are expressed as [channel number] + [bit number (00 to
15)].
Relay numbers are used to handle contacts. Channel numbers are mainly used
as operands for special instructions when processing data by the channel.
Note In CX-Programmer (abbreviated as CX-P below), upper bits of channel
numbers and relay numbers are not displayed if their value is 0. For example,
0000CH will be displayed as 0.
Relay numbers are displayed as a channel number followed by a period and a
bit number. The bit number ranges in value from 00 to 15.
Channel
00 to 199
3000 to 3063 CH
3100 to 3189 CH
3800 to 6143 CH
W000 to W511 CH
H000 to H1535 CH*
A000 to A959 CH
D00000 to D32767*
T000 to T4095
C000 to C4095
Note The work words in CIO Area may be assigned to new functions in future
versions of the CPU Units. Be sure to use the work words in W000 to W511CH
first.
Channel
000 to 199
200 to 289 CH
W00 to W099 CH
H00 to H49 CH
A000 to A753 CH
D00000 to D02047
D00000 to D08191
T000 to T255
C000 to C255
Relay
In CX-P
0 to 199
00000 to 19915
3000 to 3063
300000 to 306300
3100 to 3189
310000 to 318915
3800 to 6143
380000 to 614300
W000 to W511
W00000 to W51115
1
1
H000 to H1535*
H00000 to H153515*
A000 to A959
A00000 to A95915
2
2
D0 to D32767*
T0 to T4095
T000 to T4095
C000 to C4095
C000 to C4095
Relay
In CX-P
0 to 199
00000 to 19915
200 to 289
20000 to 28915
W00 to W99
W0000 to W9915
H0 to H49
H0000 to H4915
A000 to A753
A00000 to A75315
D0 to D02047
D0 to D08191
T0 to T255
C000 to C255
In CX-P
0.00 to 199.15
3000.00 to 3063.00
3100.00 to 3189.15
3800.00 to 6143.00
W0.00 to W511.15
1
H0.00 to H1535.15*
A0.00 to A959.15
-
T0000 to T4095
C0000 to C4095
In CX-P
0.00 to 199.15
200.00 to 289.15
W0.00 to W99.15
H0.00 to H49.15
A0.00 to A753.15
-
-
T000 to T255
T0000 to T0255
C000 to C255
C0000 to C0255
1
-
-
-
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