Table of Contents
Advertisement
Rules Governing the Use of the S5-115F
10.15 I/O Type Mixes
Do not mix safety-related and nonsafety-related I/O types within one I/O module.
The following table shows permissible I/O type mixes.
CH Rel DQ for Type 14
AI Type 14
CH AQs for AI Type 14
1 All I/O types in one line can be mixed.
2 DI/DQ type mixes are permissible on a 32-bit module if the different DI/DQ types belong to different DI/DQ words.
DI/DQ type mixes within one DI/DQ word are usually illegal with the exception of the cases described here.
3 You can allocate several I/O types to one analog module.
10.16
Module Addressing
10.16.1 Relationship Between Byte and Word Addressing
A byte is eight bits long, the bits being identified from right to left by bit addresses 0 to 7.
You can assign byte addresses to the following:
•
Digital inputs from 0 to 127
•
Digital outputs from 0 to 125
•
Flags* from 0 to 255
1 byte = 8 bits
7 .
.
. .
.
Figure 10-35. Byte-Oriented Addressing (Inputs, Outputs)
*
FW 0 is reserved for the logical program counter.
FW 2 to FW 198 (F 2.0 to F 199.7) are permissible in the user program.
FW 200 to FW 254 (F 200.0 to F 255.7) can only be used if you are not using any standard FBs.
10-52
Table 10-8. I/O Type Mixes
The following modules can be mixed
CH Rel DQ for Type 15
AI Type 15
CH AQs for AI Type 15
. 0
IBO
IB1
1
DQ Type 8
AI Type 16
AQ Type 18
Addressing input bytes (IB)
. . . .
IB2
IB3
IB4
S5-115F Manual
2
3
3
IB 126
IB127
EWA 4NEB 811 6148-02
Advertisement
Table of Contents
