6-8 Manual I/O Allocations
6-8-3 Allocating I/O
Manual Allocation through the Edit Window
I/O Allocation Tab - Edit Button
To make allocations through the Edit Window, use the following procedure.
1. Select the device to edit the I/O allocations of the device.
2. Click the Edit Button.
3. The following I/O Allocation Dialog Box will be displayed.
Specify block 1 or block 2, allocation word, start byte (LSB: Low or MSB: High), and
the number of allocated bytes.
Connections are specified in the General tab with
the advanced setup function.
Specify the first word to allocate and the number of allocated words. The MSB
(high) or LSB (low) position can be set for the first word to allocate. The user must
set the byte position to LSB if the number of bytes allocated is 2 or more.
• Example: Device with 1 byte allocated in the LSB.
High Low
15 8 7 0
+0 word
#00
+1 word
+2 word
• Example: Device with 1 byte allocated in the MSB.
High Low
15 8 7 0
+0 word
#00
+1 word
+2 word
4. Click the OK Button to start I/O allocation.
6-33
To Next Page
Loading...
Need help?
General