10
9 External connection
1)
Built-in battery type
Use the dedicated external connection cable (optional) to extract the external pulse output
signals (open drain).
For the connection between the meter main body and the indicator, connect the signal
wires of the indicator to the terminal box of the external connection cable (4 wires, 2 m) as
follows.
Standard specifications
Name
Specification
External connection cable
Heat resistance vinyl chloride 6 core shield wire
UL20276SB AWG26 (4 cores are only used)
Terminal box
For indoor communication wires, 4 terminals
2)
External power source type
- External connection cable
Use the dedicated external connection cable to supply a 12 to 24 VDC power and extract
the external pulse output signals (open drain).
For the connection between the meter main body and the indicator as well as a 12 to 24
VDC power source, connect the lead wires and power lines of the external connection
cable (6 wires, 5 m) and the signal wires of the indicator as follows.
External connection cable (2 m)
Wire color
Description
Black
High-density pulse (-)
White
High-density pulse (+)
Green
Unit pulse (-)
Red
Unit pulse (+)
Te
rmina
l box (
out
sid
e)
White
Black
Red
Green
Te
rmina
l box (i
nsid
e)
