172-65256M-00 (VFM-T2) 7 Sep 2001
7
Description of the Field Wiring Terminal Block
Before connecting the cables, make sure that the
flowmeter transmitter is compatible with the
counter. Acceptable combinations of these units
can be determined by checking their model number
and instrument number. Connect the wiring
correctly.
NOTE: The upper terminal on the rear of the
counter is found only on models with analog
output.
Exterior Connection Terminal
Block Diagram
<Caution> As incorrect combinations could lead to serious damage to
these units, be sure to check again after connecting the cables.
Description of Field Wiring Terminals
Name
Terminal No.
Connection and Specifications
Power Supply
6
L1
7
L2
100V, 110/115V, 200V, 220/230V
±
10%
50/60Hz
Ground
8
Must be grounded
Pulse
Input
Current Pulse
1, 2
1:
+
(
+
24 or 12V DC) 2:
−
Pulse
Outputs
Open Collector
4, 5
4:
+
5:
−
Optional Feature
<Caution> If not using
terminal 1 and 2, they
4 – 20mA DC
1, 2
1:
+
2:
−
Analog
Output
1 – 5V DC
3, 4
3:
+
4:
−
MUST be connected using a
wire link. If they are not linked,
analog voltage does not reach
terminals 3 and 4.
Input Signal Connection
Current Pulse
Empty
Terminal
