Instruction manual
Alpha
DO 2000
Panel mount version
Connections Description
1.
AC mains live wire
14.
Hold function
2.
AC mains neutral wire
19.
12V output power supply
3.
AC mains protective earth wire
20.
12V output ground
4.
Alarm relay (NO)
21.
Earth ground
5.
Alarm relay common
22.
DO input, Anode
6.
Alarm relay (NC)
23.
DO input, Cathode
7.
Wash relay
24.
Temperature – T2
8.
Wash relay
25.
Temperature – N.C
9.
Relay B (SP 2)
26.
Temperature – T1
10.
Relay B (SP 2)
28.
4-20 mA temperature output, -ve
11.
Relay A (SP 1)
29.
4-20 mA temperature output, +ve
12.
Relay A (SP 1)
30.
4-20 mA DO output, -ve
13.
Hold function
31.
4-20 mA DO output, +ve
Probe Cable Connections
Cable Connection
Controller/Transmitter
Terminal
Colorless/Center (Cathode)
K (23)
Brown (Anode)
A (22)
Blue (T1)
TEMP (26)
Yellow (T2)
TEMP (24)
Green/Yellow (Cable Outer Shield)
A (22)
Connect jumper wire
From E(21) to A (22)
12
Summary of Contents for ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER
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Page 13: ...Instruction manual Alpha DO 2000 2 3 Overview Wall mounting version Panel mounting version 5...
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