54
Mounting Section 3-1
3-1 Mounting
!Caution A label is stuck to some Masters and Slaves to prevent pieces of wire from
entering the Units. Install and wire the Units with the labels in place. Stray
strands of wire could cause malfunctions.
Always remove the label after installation and wiring to facilitate cooling. The
Units could overheat and malfunction if the labels are not removed.
3-1-1 Master Unit Mounting
The Master Unit mounts to the PLC itself, just like other Units. This section
explains only the precautions that should be taken during Master Unit installa-
tion. Refer to the PLC’s Installation Guide for details on mounting Units to the
PLC or installing the PLC in a control panel.
This section provides information on Communications Master Units. For the
SRM1 Master Control Unit and CPM2C-S Series, refer to the SRM1 Opera-
tion Manual and CPM2C-S Operation Manual.
3-1-2 Slave Unit Mounting
This section explains how to mount a Slave in a control panel.
Basically, there are two methods that can be used to mounted a Slave:
Screws or DIN Track. Some Slaves allow only one of these methods, while
other Slaves, such as the Remote I/O Modules, mounted directly to a board.
Others are mounted with special mounting brackets.
Required Parts The following parts are required to attach a Slave to a DIN track. These parts
are not required when attaching a Slave to a control panel with screws.
Direct Mounting with Screws
Refer to the Slave’s dimension diagram in SECTION 5 Slave Specifications
and Operations for a template showing the mounting hole placement. Drill the
specified holes in the control panel and install the Slave with the right screws
to the specified tightening torque as given below.
M4 screw: 0.6 to 0.98 N
⋅m
M5 screw (Front mounting): 0.6 to 1.18 N
⋅m
M5 screw (Rear mounting): 1.47 to 1.96 N
⋅m
DIN Track Mounting
Clip the back of the Slave on to the DIN track by holding down the mounting
pins on the back of the Slave with a screwdriver, pushing the bottom of the
Slave onto the DIN track, and then rotating the Slave up and over the top of
Part Model number Comments
35-mm DIN
track
PFP-50N 50 cm long
PFP-100N 100 cm long
PFP-100N2 100 cm long
End Plate PFP-M Two are required for each Slave.
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