Remote I/O; Remote I/O Master - IDEC FT1A Series User Manual

Remote I/O Communication Memory Refresh Image
Data communication between the remote I/O master and the remote I/O slaves is conducted as shown in the diagram below.

Remote I/O

master
I0 to I35
Q0 to Q21
Analog inputs
D8040 to D8047
Connection 1
I40 to I75
Q40 to Q61
Analog inputs
D8149 to D8156
Connection 2
I80 to I115
Q80 to Q101
Analog inputs
D8158 to D8165
Connection 3
I120 to I155
Q120 to Q141
Analog inputs
D8167 to D8174
Connection Status with Remote I/O Slaves
The connections status of each remote I/O slave can be confirmed by referring to the special internal relays and special data
registers of the SmartAXIS configured as the remote I/O master.
Item
Connection status
IP address of the connected
slave
Port number of the connected
slave
Remote I/O
slave 1
I0 to I35
Q0 to Q21
Analog inputs
D8040 to D8047
Analog inputs
D8040 to D8047
Connection port
Connection 1
Connection 2
Connection 3
Connection 1
Connection 2
Connection 3
Connection 1
Connection 2
Connection 3
S AXIS P /L
MART RO
Remote I/O
Slave 2
I0 to I35
Q0 to Q21
Remote I/O
Slave 3
I0 to I35
Q0 to Q21
Analog inputs
D8040 to D8047
Device
M8110
Indicates the connection status with the
M8111 corresponding slave.
OFF: Not connected, ON: Connected
M8112
D8110 to D8113
D8114 to D8117 Stores the IP address of the slave.
D8118 to D8121
D8130
D8131 Stores the connected port number of the slave.
D8132
U ' M FT9Y-B1378
ITE SER S ANUAL
12: R I/O
EMOTE
Description
12-3