Models FL3100H/3101H
23
3.3.8 Power
The supply voltage range is 20 to 36 VDC at the detector (low voltage is detected at
approximately 18.5 VDC).
TB1
Position
Connection
7 +24
VDC
8
+24 VDC
9 COM
10
COM
Table 6: Power Connections
The following maximum cable lengths apply for a +24 VDC supply (maximum 20 Ohm loop):
Cable
AWG
Run
Meters
Cable
mm
2
Run
Feet
14 1370
2.5
4500
16
715
1.5
2340
18 470 1.00 1540
20
300
0.75
970
22 205 0.50 670
Table 7: Maximum Cable Lengths for +24 VDC Supply
3.3.9 Modbus
Interface
The Modbus interface is used to either query the unit’s status or to configure the unit. See
Section 5.0 for detailed information on Modbus RTU Protocol.
TB1
Position
Connection
1 DATA
+
2
DATA -
Table 8: Connections for the Modbus Interface
NOTE:
If Dual Modbus output is ordered, then the 0-20 mA and HART output is not available
and the wiring terminals for the second Modbus channels are as follows:
TB1
Position
Connection
5 DATA2
+
6
DATA2 -
Table 9: Connections for the Second Modbus Interface
3.3.10 Chassis Ground
This connection is available for use in wiring that requires a connection to chassis ground. It is
recommended the chassis be grounded at all times.
Содержание FL3101H
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Страница 22: ...Models FL3100H 3101H 15 Figure 14 P N 71072 Rear View Mounting Bracket Drawing ...
Страница 24: ...17 Models FL3100H 3101H Figure 17 FL3100H FL3101H Field Terminations Figure 18 Detector Housing and Base ...
Страница 70: ...63 Models FL3100H 3101H 10 7 Final Assembly Figure 24 P N 71450 FL3100H UV IR Final Assembly ...
Страница 71: ...Models FL3100H 3101H 64 Figure 25 P N 71451 FL3101H UV Final Assembly ...