Figure 1 Typical Power Supply And Sct/Sfc Connections To St 3000; Table 1 Connecting Power Supply And Sfc To St 3000 - Honeywell ST 3000 Installation Manual

2.1 Connecting Power and SCT/SFC,
CAUTION
Figure 1 Typical Power Supply and SCT/SFC Connections to ST 3000.
+
25 Vdc
Power
Supply
-
SCT
6
Do not try to remove the transmitter housing end-cap before loosening the
end-cap lock on the transmitter housing.
Table 1 Connecting Power Supply and SFC to ST 3000
Step
1 Use a 1.5 mm allen wrench to loosen the end-cap lock on the
terminal side of the transmitter housing. Unscrew and remove the
end cap from the housing
2 If the transmitter is supplied with an optional integral analog meter,
unsnap the meter from the terminal block to expose the wiring
connections.
3 Observing polarity, connect a 25 Vdc power supply to the
transmitter's SIGNAL terminals as shown in Figure 1.
ATTENTION
between the power supply and the transmitter.
4 Connect the SCT or SFC to the transmitter - red lead to SIGNAL
positive and black lead to SIGNAL negative. See Figure 1.
5 •
If you are using the SCT, Select Tag ID icon from the SCT
toolbar to establish on-line commnications with the transmitter.
•
If you are using the SFC, go to Section 2.2.
250 Ω
ST 3000 Release 300 Installation Guide
Continued
Action
Be sure there is a minimum of 250 ohms resistance
ST 3000
+ Red
- Black
SFC
Easy connect terminals
for direct SCT or SFC
connections
2/05