329
I/O Link Units for CPM1A and CPM2A
Section 5-9
Note
1.
All the 8 input and 8 output points use the same node number.
2.
The actual node number setting range depends on the type of PLC in
which the Master is mounted as well as the Master’s settings. Refer to
for details.
Communications Mode Settings
The following communications modes are set with pin 5.
Note
1.
Only the C200HW-SRM21-V1, CQM1-SRM21-V1, CPM2C-S, and SRM1-
C0
@
-V2 Master Units can use Long-distance Communications Mode.
2.
Make sure that the communications mode of the Slave is the same as that
of the Master Unit. If the communications modes are not the same, normal
communications with the Master Unit will not be possible. The operating
status of the Slave can be verified with LED indicators. Refer to
for details.
Hold/Clear Outputs for Communications Error
Pin 6 is used to set the output data status when a communications error
occurs, as shown in the following table.
3
OFF
OFF
ON
ON
4
OFF
ON
OFF
OFF
5
OFF
ON
OFF
ON
6
OFF
ON
ON
OFF
7
OFF
ON
ON
ON
8
ON
OFF
OFF
OFF
9
ON
OFF
OFF
ON
10
ON
OFF
ON
OFF
11
ON
OFF
ON
ON
12
ON
ON
OFF
OFF
13
ON
ON
OFF
ON
14
ON
ON
ON
OFF
15
ON
ON
ON
ON
Node number
Pin 4
(8)
Pin 3
(4)
Pin 2
(2)
Pin 1
(1)
Pin 5
(DR)
Communica-
tions mode
Communica-
tions distance
Communica-
tions baud rate
Communica-
tions cycle time
OFF
High-speed Com-
munications
Mode
100 m max.
750 kbps
0.5 or 0.8 ms
ON
Long-distance
Communications
Mode
(see note 1)
500 m max.
93.75 kbps
4.0 or 6.0 ms
Pin 6 (HOLD)
Setting
OFF
Clear output status.
ON
Maintain output status.
