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5 SETTINGS AND PROCEDURES UP UNTIL OPERATION
5
5 SETTINGS AND PROCEDURES UP UNTIL OPERATION
Here, the procedures and setting methods up to the point where operation can begin in
a system where the QD51 (-R24) is used are explained.
POINT
(1) When the QD51 (-R24) is used, be sure to read the "Safety Precautions"
provided in the front of this Manual.
(2) Packaging and the installation environment for the QD51 (-R24) are the same
as for the programmable controller CPU.
(3) Refer to the User's Manual for the programmable controller CPU you are
using concerning the module's packaging and installation.
5.1 Handling Precautions
Here the precautions to be observed when handling the QD51 (-R24) module are
explained.
(1) The QD51 (-R24)'s case is made of resin, so be sure not to drop it or subject it to
strong impacts.
(2) Tighten the screws such as module fixing screws within the following ranges.
Screw location
Tightening torque
range
Remarks
RS-422/485 terminal block terminal screw
(M3 screw)
0.42 to 0.58N•m
RS-232 cable connector screw (M2.6 screw) 0.20 to 0.39 N•m
Screw hole depth:
L=3.2mm or less
(Internal length
from the surface)
Module fixing screw (normally not required)
(M3 screw) (
1
)
0.36 to 0.48N•m
( 1) The module can be easily fixed onto the base unit using the hook at the top
of the module.
However, it is recommended to secure the module with the module fixing
screw if the module is subject to significant vibration.