Fastening On A Mounting Surface; Electrical Connections - OHIO SEMITRONICS DMT-1042D Mode D'emploi

4.2 Fastening on a Mounting Surface

While pressing the latch (4) in the base of the device (Fig. 5,
left) pull out the securing brackets (1). To return the brackets
to their original positions, press the lower latch (5) then apply
pressure to the securing brackets (1) (see Fig. 5, right).
(1)
(2)
(3)
(2)
(4)
(1)
Fig. 5. Rear of device.
(1) Screw hole brackets
(2) Top-hat rail clips
(3) Rubber buffer
Function
Meas. input AC current
AC voltage
Outputs Analog
Power supply AC
DC
If power supply is taken from the measured voltage
internal connections are as follow:
7004-00075-A Rev --.indd
(4) Latch for pulling the screw hole
brackets out
(5) Latch for pushing the screw hole
brackets in.
Connection
IL1 1 / 3
IL2 4 / 6
IL3 7 / 9
UL1
UL2
UL3
N
Digital
A +
–
B +
–
C E +
–
D F +
–
G +
–
H +
–
~
~
+
–
Drill 2 holes in the wall or panel as shown in the drilling pattern
(Fig. 6). Secure the power pack to the wall or panel using
two 4 mm diameter (#6) screws.
(1)
Fig. 6. Drilling pattern.
(5)

5. Electrical Connections

The connectors are designed as screw terminals. They are
suited for single-wire leads of 4 mm
(1)
or multiple-wire leads of 2 × 2.5 mm
14AWG).
Make sure that the cables are not live when
making the connections!
Connect the leads according to the following table.
A B
+ +
–
2
15 16 17 18
5
8
11
RS 232
15
16
17
18
19
20
21
22
23
1 2 3
24
25
26
I L1 I L1 I L2
13
U L1
14
13
14
Application (system)
Single phase AC current
4-wire 3-phase symmetric load
All other (apart from A15 / A16 / A24)
Page 26 of 36
cross section (12AWG)
2
cross section (2 x
2
C/E D/F G H
+ + + +
– – – – –
19 20 21 22 23 24 25 26
4 5 6 7 8 9 11 13 14
I L2 I L3 I L3
–
U L2 U L3 N
Measuring input
Internal connection
Terminal / System
2 / 11
2 / 11
2 / 5
Front
(L1 – N)
(L1 – N)
(L1 – L2)
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