Knick Stratos Pro A401B PH, User Manual

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14
Overview
Overview of Stratos Pro A401B PH
7
8
14
15
16
1
2
3
4
17
18
19
20
21
22
10
9
C
D
E
F
G
H
I
K
5
6
11
12
13
B
A
Output 1
pH / mV /
temp input
+3 V /–3 V
for ISFET
adapter
HOLD
Input
Input
Control
Output 2
R1
R2
Alarm
R3
R4
Wash
Power
RS 485
Measure el.
Reference el.
SG
RTD
RTD
ISM GND
ISM data
ISFET
ISFET
+3 V
–3 V
Shield
Input +
Input –
HOLD
HOLD /
CONTROL
CONTROL
+3 V
RS 485 A
RS 485 B
GND/Shield
+ Output 1/HART
– Output 1/HART
+ Output 2
– Output 2
REL 1
REL 2
REL 1/2
Alarm
Alarm
Wash
Wash
Power
Power