Setup And Adjustments - Johnson Controls Metasys MS-FEU1610-0U Installation Instructions Manual

Wiring Requirements
Use Figure 7 to determine the maximum wire length allowable when alternative wire gauges are required.
Length
137.2 m (450 ft)
121.9 m (400 ft)
106.7 m (350 ft)
91.4 m (300 ft)
76.2 m (250 ft)
61 m (200 ft)
45.7 m (150 ft)
30.5 m (100 ft)
15.2 m (50 ft)
0 m (0 ft)
0

Setup and Adjustments

Determining the FC Bus Address
The FC Bus address switch sets a unique address for this controller on the FC Bus. You must set the FEC's device
address for your field bus application.
Set consecutive device addresses 4 through 127 for Field Equipment Controllers and other master devices on the
FC Bus. Use sequential addressing with no gaps in the device address range to ensure best FC Bus performance.
Note: Switch 128 on the device address DIP switch block should be set to Off.
Table 3 shows and describes the valid FC Bus and SA Bus devices addresses for FECs and IOMs on Johnson
Controls® MS/TP communications bus applications.
Figure 7: Maximum Wire Length by Current and Wire Size
1.0 mm (18 AWG)
0.8 mm (20 AWG)
0.6 mm (22 AWG)
0.5 mm (24 AWG )
50 150
100
Table 3: FC Bus Device Address Descriptions
Device Description
Address
0 Reserved for FC Bus supervisory controller.
1-3 Reserved for peripheral devices.
4-127 Available for FECs on the FC bus and IOMs
on the SA or FC Bus.
128 Unused and should be set to Off.
129-255 Are not valid addresses for FEC or IOM
controllers on the SA or FC Bus.
FEU16x0 Field Equipment Controller Installation Instructions
200 250
300
Load Current (mA)
10
400 450
350
500