Conformance To En/Iec Standards - Omron K7DD User Manual

 Connection diagrams
+
3
RS-485
4
-
Communications 1
+
5
RS-485
6
-
Communications 2
7
8
External contact
25
Alarm output 1
26
27
Alarm output 2
28
29
Output at Error
30
 Measurement Category
The measurement category classifies the places and equipment which you can connect to the
measurement terminals, as prescribed in EN/IEC 61010-2-030.
Each category is as follows.
CAT II: Energy-consuming equipment with an energy supply from fixed wiring equipment (such as
a power outlet)
CAT III: Equipment in fixed wiring equipment that particularly demands equipment reliability and
effectiveness
CAT IV: Equipment to use at the electrical service entry
Service entry wire
Distribution
CAT IV

Conformance to EN/IEC Standards

This is a Class A product. In residential areas it may cause radio interference, in which case the user
may be required to take adequate measures to reduce interference. The product must be installed
within a control panel.
Power Line Data Generator User's Manual (N233)
-
+
3-phase, 3-phase,
4-wire type 3-wire type
1 2
R
13 13
K7DD
14 S 14
15 15
T
16
N
k k
19 19
R
20 20
ℓ ℓ
k k
21 21
S
22 22
ℓ ℓ
k
23
T
24
ℓ
Internal wiring
board
CAT III
Fixed
CAT II
equipment
Power outlet
Single-phase,
2-wire type
R
S
T
k
19
R R
20
ℓ
T
Regulations and Standards
11