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MELSEC-
A
4 PROCEDURES AND SETTINGS BEFORE OPERATION
(1) Tighten the module installation screws and terminal block screws
within the following range.
Screw place Tightening torque range Remarks
Module installation screw (M4 screw)
0.78 to 1.18N
⋅
m
-
Terminal block terminal screw (M3.5 screw)
0.59 to 0.88N
⋅
m
-
Terminal block installation screw (M4 screw)
0.98 to 1.37N
⋅
m
-
RS-232-C cable connector screw (M2.6 screw)
0.20 to 0.39N
⋅
m
Screw hole depth: L=3.2mm or less
(Internal dimension from end face)
(2) When using the DIN rail adaptor, install the DIN rail while observing
the following points.
(a) Applicable DIN rail type (JIS C 2812 compliant)
TH35-7.5Fe
TH35-7.5Al
TH35-15Fe
(b) DIN rail installation screw pitch
When installing the DIN rail, tighten the screws at a pitch of 200mm or less.