Instruction manual
5.0 WIRING SM425 INSTRUCTION MANUAL
Figure 5-12 Wiring for Automatic Calibration Unit
5.8 Contact Input Wiring
The converter can initiate specified functions by external contact closure signals.
To use these contact signals, wire as follows:
Figure 5-13 Contact Input Wiring
5.8.1 Cable Specifications
Use 2-core or 3-core cable for this wiring. Depending on the number of input(s), determine which cable to
use.
5.8.2 Wiring Procedure
1. M4 screws are used for the terminals of the converter. Each cable should be terminated with the
corresponding crimp-on terminal.
2. The ON/OFF level of this contact input is identified by the resistance. Connect a contact input that
satisfies the specifications in Table 5-2.
Table 5-2 Identification of Contact Input ON/OFF
42500001 REV A 93