Omron K7DD User Manual page 63

CT Input Terminals
There are three channels of CT input terminals.
•
CT input 1: Number 19 and 20 terminals (CH1)
•
CT input 2: Number 21 and 22 terminals (CH2)
•
CT input 3: Number 23 and 24 terminals (CH3)
Which terminal is to be connected depends on the
type of power line.
The following CT polarities are available.
•
Number 19 terminal: K
•
Number 20 terminal: L
•
Number 21 terminal: K
•
Number 22 terminal: L
•
Number 23 terminal: K
•
Number 24 terminal: L
Power Line Data Generator User's Manual (N233)
3 Installation and Wiring
●3-phase 3-wire
3P3W2M
R S T
K7DD
MC
19
20
21
M
22
●3-phase 4-wire
3P4W
N R S T
K7DD
MC
19
20
21
22
23
24
M
●Single-phase current
1P2W
R S
K7DD
MC
19
20
M
3
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