2 terminal wiring, Terminal wiring, Figure 7: source with cover removed – Spectrex Quasar 900 Open-Path Gas Detection System User Manual
Page 47: Table 12: flash source wiring options, M 4, figure 7), M 2, figure 7), Figure 7)
TM 888200 Rev (I), January 2014
Flash Source Wiring
35
5.9.2 Terminal Wiring
The Flash Source contains six wiring terminals.
Table 12: Flash Source Wiring Options
Terminal
No.
Function
1
Power +24V DC
2
Return +24V DC
3
Spare
4
Spare
5
RS-485 (+)
6
RS-485 (-)
1
Housing
5
Internal Earth Connection
2
Terminal Board
6
N/A
3
Earth Terminal
7
Detector Holding Plate
4
Inlet Conduit
Figure 7: Source with Cover Removed