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Water Hardness Analyzer
AW101 Testomat
10.1 Terminal Block Identification
No.
Terminal
–
PE
1 2
L N
3 to 5
n l
6 to 8
9
10
LV1
11
12
13
LV2
14
15
16
Alarm
17
18
Stop 2
19
20 21
IN 2
22 23
OUT + OUT –
24
+
Terminal block for inputs
Stop, IN2 and output OUT
Stop
18
19 20
Fig. 10.2 Terminal Block Labels
IM/AW101
Rev. C
Type
Function
IN
Mains – Protective earth (5x)
Mains, L = Live
IN
Mains, N = Neutral
Neutral, switched (8x)
OUT
Live, switched (8x)
Limit value output 1 – Normally closed
OUT
Limit value output 1 – Common
Limit value output 1 – Normally open
Limit value output 2 – Normally closed
OUT
Limit value output 2 – Common
Limit value output 2 – Normally open
Fault message – Normally closed
OUT
Fault message – Common
Fault message – Normally open
IN
External analysis stop Common earth for inputs
IN
Water meter input Common earth for inputs
OUT
0 or 4 to 20mA
OUT
+12 V for Hall-Sensor (turbine)
IN 2
OUT
+12
21 22
23 24
+ –
Terminal block for mains connection and relay outputs
n
n
n
l
l
l
1
2
9
10
11
12
13
14
LV1
LV2
10 AW101 Testomat® Block Diagram
Note
Earth/Ground
Mains input
115 V, 230 V or 24 V AC
Mains voltage,
max. 4 A
Volt-free relay output,
max. load 240 V AC, 4 A
Volt-free relay output,
max. load 240 V AC, 4 A
Volt-free relay output,
max. load 240 V AC, 4 A
Only
for
volt-free
open/normally closed contact
Only
for
volt-free
open/normally closed contact
Note technical data of turbine
Current output 22 + (0/4 to 20 mA)
23 –
Note technical data of turbine. Max.
power input of sensor must not
exceed 20 mA
PE PE
PE
L
N
15
16
17
Alarm
normally
normally
19
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