E-880-2N-E
4. WIRING
(See the "Wiring Guidelines" in the instruction manual of the companion pulse generator.)
4.1 Field Wiring Cables
() Use electrostatically shielded, polyethylene insulated, vinyl sheathed control cables (CEVS, .2 to 2
mm, 2-conductor or -conductor), or equivalent, for input signal cables from the flowmeter.
For output signal cables, use insulated vinyl sheathed cables (CVV, CVS ... JIS C 0).
(2) Ground the end of shield wire to "G" terminal of the instrument. At the sensor end, leave the end of
shield wire unconnected.
4.2 Wiring Connections
() Field wiring through a conduit is recommended.
NOTE: In routing field wiring, use a separate conduit for power cable from other signal cables to
eliminate the possibility of stray current pickup.
(2) Separate field wiring from other power lines and power circuits to minimize the possibility of inductive
interference.
() Using crimp-type lugs for wiring, ensure good electrical connections.
Terminals are found on the back of the instrument (Fig. .).
4.3 Description of Terminal Blocks for External Connections
Terminal blocks for external connections (TB,
TB2 and TB) are found on the back of the instru-
ment as shown in Fig. .. Terminal identification
appears in Table . while terminal connections
appear in Table .2.
NOTE: TB and TB2 terminal numbers are
indicated on the side of terminal blocks.
TB
1
TB
2
1
2
3
TB
3
PLS OUT3
TEMP
IN
TEMP
IN
FLOW IN
0V
＋
−
B
b
A
＋
−
＋
−
−
＋
−
＋
−
＋
−
＋
−
＋
−
SIG
SUP
0V
SIG
SUP
SUP
ANA
OUT
GND
POWER
N
（
−
）
H
（
＋
）
PRESS IN
PLS OUT1
COMM1
COMM2
TEMP
PLS OUT2
1/
1
OUT
DENSITY
IN
TB
TB2
SUP.
Flow in
2
SUP.
Press. in
8
＋
Pulse out 2
2
SIG.
2
＋
－
0V
－
0
OUT /
＋
Analog out
－
2
＋
Pulse out 1
8
＋
Comm
※
－
8
－
TB
20
＋
Comm2
※
H
（＋）
Power
0
＋
Alarm out 2
－
2 N
（－）
－
GND
Fig. . Terminal Blocks for Ext. Connections
Table . Terminal Identification and Functions
Terminal
Screws
(M.)
CAUTION
Make wiring connections upon confirma-
tion of the validity of flowmeter (pulse
generator) to receiving instrument com-
bination by their product code number,
instrument number, etc.
NOTE :
※
Mode provided with communication interface.
