2-2. Mounting
(1) Machine the mounting hole by referring to panel cutout in section 2-4.
(2) Applicable thickness of the mounting panel is from 1.0 to 3.5mm.
(3) As this product provides mounting fixture, insert the product from the front panel for installation.
2-3. How to remove the instrument out of the case
-
4 -
When the instrument is removed/replaced in the case, make sure the power is off. If it is done while the power is on, it may lead to
problems with the product and/or other problems.
CAUTION
There is no need to remove your SR70 series controller out of
the case. Nevertheless, should the need arise, for example,
for replacement, follow the steps described below:
Insert a minius screwdriver of 6mm
~
9mm into the opening
(where packing is exposed) of the front case and rotate the
screwdriver while pushing up the lock lever behind the
packing. Once the instrument comes out by a few
millimeters, you can remove it by hand.
2-4. External dimensions and panel cutout
SR71 External dimensions (unit: mm)
SR72 External dimensions (unit: mm)
SR73 External dimensions (unit: mm)
SR74 External dimensions (unit: mm)
Dimension of current transformer (CT) for heater break alarm
30A (CTL-6-S) (unit: mm)
SR71 Panel cutout (unit: mm)
SR72 Panel cutout (unit: mm)
SR73 Panel cutout (unit: mm)
SR74 Panel cutout (unit: mm)
50A (CTL-12-S36-8) (unit: mm)
48
44.7
110
100
10
longer than 60
longer than
60
longer than
100
45
72
67.6
110
100
10
96
91.6
110
100
10
longer than 100
68
92
+0.8
0
96
48
91.6
44.6
110
100
10
45
+0.6
0
92
+0.8
0
+1
0
92
+0.8
0
(48
×
N-3)
ø 5.8
25
3
10.5
21
30
40
10
2— ø 3.5
40
ø 2.36
ø 12
2-M3 depth4
30
40
15
7.5
longer than
130
longer than 130
longer than 130
When N pieces are installed laterally
N=number
45
+0.6
0
+0.6
0
68
+0.7
0
+0.7
0
92
+0.8
0
ENT
PV
SV
˚C
••• •• •• •••••
•••••••••••••••
•••••
