YOKOGAWA ST401G, User Manual, Page: 71 / 89

< 3. INSTALLATION, PIPING AND WIRING >
3-56
IM 12A0V2-E
L
N
G
(32)NC
(31)C
(33)NO
S1
(42)NC
(41)C
(43)NO
S2
(72)NC
(71)C
(73)NO
S4
(61)+
(62)
-
mA1
(65)+
(66)
-
mA2
(81)+
(82)
-
mA3
(85)+
(86)
-
mA4
(21)
(22)
(24)
SHLD(63)
(87)
+
(88)
-
SHLD(89)
A+(91)
B-(92)
GND(93)
SHLD(94)
Termination(95)
(52)NC
(51)C
(53)NO
S3
Power
L
N
G
Power
1st input
2nd input
FLXA402
pH converter
RS485 (-R)
Ethernet (-E)
(-WR)
U1
U2
U3
S
US
Oscillator
L(101)
N(102)
G(001)
AR
L(401) N(402) G(005) L(301) N(302) G(004)
(201)L
(202)N
(002)G
L
N
G
(32)NC
(31)C
(33)NO
S1
(42)NC
(41)C
(43)NO
S2
(72)NC
(71)C
(73)NO
S4
(61) +
(62) -
mA1
(65) +
(66) -
mA2
(81) +
(82) -
mA3
(85) +
(86) -
mA4
(21)
(22)
(24)
SHLD(63)
(87) +
(88) -
SHLD(89)
A+(91)
B-(92)
GND(93)
SHLD(94)
Termination(95)
L(101)
N(102)
G(001)
(52)NC
(51)C
(53)NO
S3
Power
Converter
for chiorine
Power
SENCOM
Disuse
1st input
2nd input
L(101)
N(102)
G(001) L(201)
N(202)
G(003)
RS485 (-R)
Ethernet (-E)
CP
PG400
Pulse Generator for Clean Unit
Analog output
(-N2, -N4)
Analog output
(-N2, -N4)
Analog output
(-N4)
Analog output
(-N4)
Contact input
(-N2, -N4)
Analog input
(-N4)
Contact output
Terminal box for power supply
Power
Supply
FC800D
Non-reagent Type Free Available Chlorine Sensor Unit
FLXA402T
Liquid Analyzer for Turbidity and Chlorine
Analog output
(-N2, -N4)
Analog output
(-N2, -N4)
Analog output
(-N4)
Analog output
(-N4)
Contact input
(-N2, -N4)
Analog input
(-N4)
Contact output
(-WR)
Flow-Through type holder
pH Sensor
Figure 3.57 ST401G-PF7-N-A (/R) (/TT3) ST401G-PF7-P-A (/R) (/TT3) With free available chlorine
analyzer, (back piping), (500 ml KCl tank)