User’s Manual
69
PART 3 TC218
5. I/O Allocation and Programming
5. I/O Allocation and Programming
5.1 Allocation to the T2 registers
The I/O type of the TC218 is "X 8W".
When the automatic I/O allocation operation is performed with a TC218 mounted on the rack,
the TC218 is allocated as "X 8W".
The TC218 occupies the 8 consecutive input (XW) registers of the T2.
In this manual, these assigned I/O registers are expressed as XW(n), XW(n+1), ... XW(n+7).
The following figure shows an example of I/O allocation window of the T-PDS programming
software. In this case, the TC218 is mounted in the slot 0 of base unit BU218.
In the above example, the TC218 is allocated on the unit-0, slot-0. And 8 I/O registers, XW000
to XW007 are assigned to the TC218.
PS261
PU
234E
N
o s
lot
DI
3
2
Vac
ant
DO
3
2
T
C
218
Vac
ant
Vac
ant
Vac
ant
Vac
ant
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]