Mounting and wiring
EM7004
28
Version: 2.0
3.6
Connection technology
The digital inputs and outputs can be connected in
• single-conductor (see example, terminal point 0),
• two-conductor (see example, terminal point 3), or
• three-conductor mode (see example, terminal point 6)
.
Input circuits
Fig. 21: Input circuits single-, two- and three-conductor mode
