Download 2-wire Conductivity or resistivity Transmitter

Transcript
2-2 Appendix
12-2. Wiring diagrams
1. Example of Non-Explosionproof System
(a) SC210G-A or SC210G-B
SC210G–A, SC210G–B
Conductivity sensor
*1
T1
T1
T2
T2
C1
C1
C2
C2
SC202G
Conductivity transmitter
11
Temper+
11 ature
12
12 sensor –
13
13
G
14
14
Electrode
15
15
16
16
*2
Ground
*3 (100Ω or less)
PH201G (Style B)
Dedicated distributor for EXA202
A ( +) C
B ( –) D
F
H
a
c
b
d
+
–
+
–
Output
(1 to 5V DC)
Output
(1 to 5V DC)
*2
SDBT distributor
1 (+) A
2 ( –) B
F
H
+
–
+
–
Output
(1 to 5V DC)
Output
(1 to 5V DC)
HOLD FAIL
Relay contacts
F08.EPS
(b) SC4AJ, SC8SG
SC4AJ, SC8SG
Conductivity sensor
SC202G
Conductivity transmitter
*1
11
12
13
14
15
16
11
12
13
14
15
16
Temperature *1 : This cable is specified by the additional code of an conductivity sensor.
*2 : Use a two-conductor shielded cable of OD 6 to 12mm.
sensor
The cable length is : Max. 2000m (also the minimum operating voltage of conductivity
transmitter must be obtained)
Conductivity
*3 : Conduct grounding without fail on the conductivity transmitter
sensor
(Grounding reistance : 100 ½ or less)
F09.EPS
2. Example of Intrinsically Safe Explosionproof System
(a) SC210G-A or SC210G-B
SC202S
Conductivity transmitter
SC210G-A,SC210G-B
Conductivity sensor
T1
T2
C1
C2
T1
T2
*1
C1
C2
11
12
13
14
15
16
*2
Temper- +
11
ature
12 sensor
G
13
14
Electrode
15
16
Safety Barrier
Distributor
Output
Ground
to earth
*1: This cable is specified by the additional code of an conductivity sensor.
*2: Use two-wire cable with OD (Outside Diameter) of 6 to 12 mm.
F007-1.eps
(b) SC4AJ, SC8SG
SC4AJ, SC8SG
Conductivity sensor
*1
IM 12D08B02-01E
SC202S
Conductivity transmitter
11
12
13
14
15
16
11
12
13
14
15
16
Temperature
sensor
Conductivity
sensor
*1 : This cable is specified by the additional code of an conductivity sensor.
F09.EPS