SMC Networks EX600-SDN Series Operation Manual page 63

Input / output mapping
The input/ output map of each diagnostic mode is shown with the following unit configuration as an
example.
Unit 0
AXA
○
Analog
input
○
4 byte
input
Input data: Analog input unit (EX600-AXA) (Unit 0) occupies 4 bytes.
Digital input unit (EX600-DX#B) (Unit 3) occupies 1 byte.
Digital input unit (EX600-DX#D) (Unit 4) occupies 2 bytes.
Output data: Digital output unit (EX600-DY#B) (Unit 1) occupies 1 byte.
Digital output unit (EX600-DY#B) (Unit 2) occupies 1 byte.
SI unit (EX600-SDN#) (Unit 5) occupies 4 bytes.
When diagnostic mode 0 is chosen
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
TOTAL
Unit 1 Unit 2
DY#B DY#B
Digital Digital
output output
1 byte 1 byte
output output
Input data
AXA channel 0
(Unit 0)
AXA channel 1
(Unit 0)
DX#B (Unit 3)
DX#D
(Unit 4)
7 byte
Unit 3 Unit 4
DX#B DX#D
Digital Digital
input input
1 byte 2 byte
input input
Output data
DY#B (Unit 1)
DY#B (Unit 2)
SDN#
(Unit 5)
6 byte
- 63 -
Unit 5
SDN#
SI unit
(32 output)
Valve
32 points
4 byte
output
No.EX##-OML0007