External Power Supply Wiring - AB Quality MicroLogix Instrucciones De Instalación

8 MicroLogix™ Ethernet Interface

External Power Supply Wiring

WARNING
IMPORTANT
24
VDC
DC
NEUT
CHS
GND
Bottom View
Publication 1761-IN007B-MU-P
EXPLOSION HAZARD - In Class I Division 2 applications, an
external, Class 2 power supply must be used. The DC Power
Source selector switch on the ENI(W) must be set to
EXTERNAL before connecting the power supply to the
ENI(W).
• In non-hazardous locations, external power is not
required. Some devices (such as a MicroLogix controller)
provide power to the ENI(W) via a cable connected to
ENI(W) port 2. Be sure to set the DC power source
selector switch to match your particular configuration,
CABLE or EXTERNAL.
• Always connect the CHS GND (chassis ground) terminal to
the nearest earth ground. This connection must be made
whether or not an external 24V dc supply is used.
• wiring torque:
1.3 Nm (12 in-lb) rated; 1.4 (13 in-lb) maximum
wire size: #14 to #24 AWG