2 . D I D O U n i ts
MN05003006E For more informat ion visit :
w w w. e a t o n . c o m
2-9
1. DC Power Supply
2. Emergency Stop
3. Fuse
4. Reverse-current protection diode, *1
5. Inductive load
6. Incandescent Lamp
7. External Mechanical Interlock
8. Resistive load
9. Do not use this terminal
*1: Ensure all loads are applied to the same side of each ELC output, see the figure above.
Loads which should NEVER simultaneously operate (e.g. control of a reversing motor),
because of a critical safety criteria, should not rely on the ELC’s sequencing alone.
Mechanical interlocks MUST be fitted to all critical safety circuits.
*2: Transistor outputs use internal zener diode (39V) as protection circuitry. When driving the
inductive load with a transistor output, a reverse-current protection diode can be installed
in parallel with the load if necessary.
The reverse-current protection diode needs to satisfy the following specifications.
- The diode is rated for maximum reverse voltage of 5 to 10 times the load voltage.
- The forward current is more than the load current.
2.1.4 Terminal
Layout
2.1.4.1 ELC Series Digital I/O Modules Terminal Layout
ELC-EX DIDO
EX06NNNI
EX08NNDN
EX08NNAN
EX08NNNR
C0
Y0
C1
Y1
C2
Y2
C3
Y3
C4
Y4
C5
Y5
S/S
X0
X2
X3
X5
X6
X1
X4
X7
COM
X0
X2
X3
X5
X6
X1
X4
X7
C0
Y0
Y2
Y3
Y5
Y6
Y1
Y4
Y7
