PART TWO - INSTALLATION
SECTION 3 - ELECTRICAL CONNECTIONS
Accu4™ Low-range Turbidimeter System
Rev. 2-300
26
POWER
F
1
F
2
100mA
T
80mA
T
COM
RELAY C
8
TB2
3
3
1
2
5
4
7
6
NO
RELAY A
NC COM
RELAY B
COM
NC
NC
NO
10
9
12
11
3
4
2
RELAY D
NC
NO
NO
COM
115
230
N
TB3
10VA 50/60 Hz
90-130 VAC
180-260 VAC
TURBIDITY ANALYZER
RS-232
2
3
4
5
6
7
OUTPUT 1
HART
+
OUTPUT 2
-
+
-
4-20 mA
WH
IT
E
21
8
9
22
10
19
20
16
18
TURBIDITY INTERCONNECT
BL
A
C
K
GND
+
GND
OR
AN
GE
TTL
GR
AY
Y
E
LLO
W
BL
U
E
TB1
13
14
15
12
GR
E
E
N
VI
OL
E
T
RE
D
BRO
W
N
TX
RX
FIGURE 2-8 Terminal Block Designations for Analyzers with “B” Prefix Serial Number
7
/
7% 785%,',7< 6(1625 +22.83
6+
,(
/'
5('
9,2
/(
7
*5((1
:+,7(
<(//2
:
6+
,(
/'
%52:
1
*5$<
%/8(
%/$
&.
25$
1*
(
FIGURE 2-9 Terminal Block Designations for Analyzers with No Letter Prefix Serial Number
