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Waltron User Manual 101-016-B.3
3041 Silica Analyzer
Installation
3.6.2
USER SIGNAL CONNECTIONS
The analyzer provides an External Terminal Block on the outside of the Electronics Enclosure. It
allows the operator to connect to an external device such as a sequencer or sampler, monitor the
4-20mA ouputs and monitor alarm relays. The external terminal block can be configured from
the SERVICE Screen.
Table 3.1 below shows the terminal contact labels starting with pin 1 on the left.
Figure 3.3: Electrical connections for user connections and power connections.
Table 3.1: Terminal block pin locations.
Pin Number
Terminal Label
Description
1
- Input
NO contact from an External Device to tell
the analyzer to take a measurement.
2
+ Input
3
- Signal 2
4-20mA output for Sample 2 Measurement
4
+ Signal 2
5
- Signal 1
4-20mA output for Sample 1 Measurement
6
+ Signal 1
7
COM ½
Common for Relay 1 and 2
8
OUT Relay 1
Alarm Relay 1 N/O Contacts
9
OUT Relay 2
Alarm Relay 2 N/O Contacts
10
OUT Relay 3
Alarm Relay 3 N/O Contacts
11
OUT Relay 4
Alarm Relay 4 N/O Contacts
12
COM 3/4
Common for Relay 3 and 4
