15 ECU-1251 Series User Manual
Chapter 3 Wiring and Installation
3.3 Installation
3.3.1 Wall-mounted and DIN-Rail Installation
ECU-1251 supports two types of installation: Wall-mounted and DIN-Rail Installation.
For wall-mounted installation, users can fix the device on the wall with 4 screws as
shown below.
Figure 3.7 Wall-mounted installation
CN8
CN9
CN10
CN11
Data+/Data- of RS-485
RX/TX of RS-232
Table 3.6: Jumper Setting of Terminal Resistor For COM(1?4)