7
• Tightening the screws with too much
force can damage the ST unit’s plastic
case.
• The necessary torque is 0.5N
•
m.
Wiring
y
To avoid an electric shock, prior to
connecting the ST unit’s power cord
terminals to the power terminal block,
confirm that the ST unit’s power supply is
completely turned OFF, via a breaker, or
similar unit.
y
Any other power level can damage both
the ST and the power supply.
y
When the FG terminal is connected, be
sure the wire is grounded.
1.
Wiring the DC type power supply
cable
Power Cord Specifications
Use copper conductors only.
Power Connector (Plug) Specifications
• The power connector (plug) is CA5-
DCCNM-01 made by Pro-face or
MSTB2,5/3-ST-5,08 made by Phoenix
Contact.
Insertion Slot Recess
Hook the fastener on the
Recess,
Panel
Installation Fastener
ST
Hook
and secure the fastener
on the panel with a
screw.
Power Cord
Diameter
0.75 to 2.5mm
2
[0.0009 to 0.0097 inch
2
]
(18 - 12 AWG)
Conductor
Type
Simple or Stranded Wire
*1
*1 If the Conductor’s end (individual) wires are
not twisted correctly, the end wires may either
short against each other, or against an
electrode.
Conductor
Length
+
24V
-
0V
FG
Grounding
Terminal
connected
to the ST
chassis
7 mm
[0.28in]
Insertion
Direction
+
-
FG
