67
Allocated CIO Area Words Section 3-2
08 Slave
Fixed Allo-
cation Set-
ting 1
Switch
OFF→
ON
User Allocates the following words to the slave.
• OUT 1 area (input to the CPU Unit):
CIO 3370 (1 word allocated)
• IN 1 area (output from the CPU Unit):
CIO 3270 (1 word allocated)
• OUT 2 area: Not used
• IN 2 area: Not used
Note 1. Slave communications must be disabled
before this switch is turned ON. After the
switch is turned ON, turn the Slave Enable
Switch (word n+1, bit 06) ON to enable Fixed
Allocation Setting 1.
2. This is the default setting for the Unit.
3. The words allocated by this switch are used
as the I/O area for the slave. (Use the Slave
Enable Switch (word n+1, bit 06).)
Pro-
gram
mode
En-
abled
Slave
Fixed
Alloca-
tion set-
ting 1
enabled
OFF Unit Returns to OFF after fixed allocations have been set.
09 Slave
Fixed Allo-
cation Set-
ting 2
Switch
OFF→
ON
User Allocates the following words to the slave.
• OUT 1 area (input to the CPU Unit):
CIO 3570 (1 word allocated)
• IN 1 area (output from the CPU Unit):
CIO 3470 (1 word allocated)
• OUT 2 area: Not used
• IN 2 area: Not used
Note Same as notes 1 to 3 for bit 08.
Pro-
gram
mode
Dis-
abled
OFF Unit Returns to OFF after fixed allocations have been set.
10 Slave
Fixed Allo-
cation set-
ting 3
switch
OFF→
ON
User Allocates the following words to the slave.
• OUT 1 area (input to the CPU Unit):
CIO 3770 (1 word allocated)
• IN 1 area (output from the CPU Unit):
CIO 3670 (1 word allocated)
• OUT 2 area: Not used
• IN 2 area: Not used
Note Same as notes 1 to 3 for bit 08.
Pro-
gram
mode
Dis-
abled
OFF Unit Returns to OFF after fixed allocations have been set.
Bit Name Status Con-
trolled by
Unit operation Operation
conditions
Default
setting
CPU
Unit
oper-
ating
mode
Slave
func-
tion
