Land 4500 MKII Premier, Руководство по эксплуатации и обслуживанию

Страница: 25 / 139

Model 4500 Premier Dust and Opacity Monitor
25
A3-12 Termination Box Connections
Isolate the mains supply before making any connection to the
Termination Box. This instrument must be earthed/grounded.
Cable entries are not supplied as standard. The blank plate may be removed and cut out for suitable
conduit or other type of entry.
Terminal No. Function Designation
1 Mains Power Live
2 Neutral
3 Earth
4 Current Loop O/P 1 +ve
5 screen
6 -ve
7 Current Loop O/P 2 +ve
8 screen
9 -ve
10 System OK Fault
11 Common
12 OK
13 Alarm 1 OK
14 Common
15 Alarm Active
16 Alarm 2 OK
17 Common
18 Alarm Active
19 Zero Calibration Run
20 Common
21 In Progress
22 Span Calibration Run
23 Common
24 In Progress
25 Maintenance Run
26 Common
27 Maintenance
28 Blower Fail #1 Input
29 Return
30 Blower Filter Blocked #1 Input
31 Return
32 Blower Fail #2 Input
33 Return
34 Blower Filter Blocked #2 Input
35 Return
36 Calibration Trigger Input
37 Return
38 Modbus Y (Tx)
39 Z(/Tx)
40 A (Rx)
41 B (/Rx)
42 Common
43 Screen
WARNING
Risk of electric
shock.