YOKOGAWA FC400G User Manual

< 3. Installation, Piping and Wiring >
3-4
IM 12F5A1-01E
3.3 Wiring
The types of wiring required by the FC400G free available chlorine analyzer (non-reagent type) are as
shown below. All are connected to wiring terminals (M3 screw) in the converter.
(1) Power cable and grounding wire
(2) Analog output signal cable
(3) Contact output (<MAINT>, <FAIL>) cables (when required)
G
+
-
M1
M2
F1
F2
+
-
G
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Auto Zero / Cal. valve power (/ST)
For remote range switching (/ST)
G L1 L2
OUTPUT
MAINT
POWER
*4
*2
*2
*3
*2
*1
FAIL
Ground
FC400G Converter
To power
supply
Analog output signal cable
<MAINT> contact output
<FAIL> contact output
To power
supply
W1
W2
R1
R2
(*)
(*)
(*) Supplied with ST401G sampling
system
Receiver
(Note) All are connected to wiring terminals (M3 screw) in the converter.
*1: Be sure to ground the case ground terminal (M4 screw), or if this is not possible then connect to G of power wiring.
Avoid two-point ground. (Case is connected to signal ground inside converter).
*2: Use cable with 9 to12 mm OD.
*3: Use two-core shielded cable with 9-12 mm OD. To avoid two-point ground, connect shield to ground at one end only
*4: Contact input to be applied the voltage.
Figure3.4 ExternalWiringDiagram
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Wiring terminal
board
Cable inlet
A B C
D E F
A : Output signal
B : (Spare)
C : Analog output signal
D : Contact output (MAINT)
E : Contact output (FAIL)
F : Power input
Figure3.5 Converter'sExternalWiringTerminalBoardandCableInlet
Theconverterhasveexternalwiringcableinlets.Ingeneral,useonecableforeachwiringline.
Note: Unused cable inlets must always be provided with cable gland with blind plug.

YOKOGAWA FC400G Specifications

General

Brand	YOKOGAWA
Model	FC400G
Category	Measuring Instruments
Language	English