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Allocated CIO Area Words Section 3-2
3-2-10 Slave Status 2 (Word n+15)
Master Node Addresses This indicates the node address of the remote master for slave communica-
tions.
Slave I/O Allocation Status This indicates the I/O allocation status of the slave.
3-2-11 Registered Slave Table (Words n+16 to n+19)
This table indicates the slaves that are registered in the master scan list. The
bits correspond to node addresses. This table is updated when the Unit starts
up and when a scan list is registered.
Operation with the Scan
List Disabled
This table indicates the slaves to which a connection has been established at
least once. When registering a scan list using the Scan List Enable Switch
(word n, bit 00), the bits corresponding to the slaves that are registered are
turned ON in this table.
Operation with the Scan
List Enabled
This table indicates the slaves that have been registered in the scan list.
Word
Bit 15 Bit 08 Bit 07 Bit 00
Slave I/O Allocation Status
Master Node Address
n+15
Name Range Details
Master Node
Address
0000 to 003F Hex
(0 to 63)
This information is valid when the Remote
I/O Communications Flag (word n+14, bit
14 or 15) is ON in Slave Status 1.
Code Details
00 Hex Unit starting up
01 Hex Fixed Allocation Setting 1
02 Hex Fixed Allocation Setting 2
03 Hex Fixed Allocation Setting 3
20 Hex User-set allocations using allocated DM Area words
30 Hex Set from the Configurator
80 Hex Slave function disabled
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
n+16
n+17
n+18
n+19
Bit15 Bit14 Bit13 Bit12 Bit11 Bit10 Bit09 Bit08 Bit07 Bit06 Bit05 Bit04 Bit03 Bit02 Bit01 Bit00
Bit Name Status Controlled
by
Unit operation
– Slave
Registered
Flags
ON Unit With the scan list disabled: Indicates slaves to which a connection has
been established at least once.
With the scan list enabled: Indicates that a slave has been registered in
the scan list.
OFF Unit Indicates that a slave has not been registered in the scan list.