Johnson Controls Metasys MS-FEU1610-0U Installation Instructions Manual page 9

Table 1: FEC Terminal Blocks, Functions, Ratings, Requirements, and Cables (Part 3 of 3)
Terminal Terminal
Block Labels
24~ Power Hot
SHLD
Table 2
1. See for alternative wire gauges and lengths.
2. The SA Bus terminals and the RJ-style modular Sensor Port are connected internally.
3. The SA Bus and FC Bus specifications in this table are for MS/TP bus communications at 38.4k baud. For more
information, refer to the MS/TP Communications Bus Technical Bulletin (LIT-12011034).
Table 2: Wire Gauge and Length Guidelines
Guideline Cable Size
A 1.0 mm (18 AWG)
0.8 mm (20 AWG)
0.6 mm (22 AWG)
0.5 mm (24 AWG)
B 1.0 mm (18 AWG)
0.8 mm (20 AWG)
0.6 mm (22 AWG)
0.5 mm (24 AWG)
C Figure 7
See
Function and Electrical Ratings/Requirements
AC Supply Input
Supply 20-30 VAC (Nominal 24 VAC)
Provides an optional shield connection.
Maximum
Length
457.2 m (1,500 ft)
297.2 m (975 ft)
182.9 m (600 ft)
106.7 m (350 ft)
228.6 m (750 ft)
137.1 m (450 ft)
91.4 m (300 ft)
61 m (200 ft)
Figure 7
. See .
FEU16x0 Field Equipment Controller Installation Instructions
Assumptions
100 mV maximum voltage drop
100 mV maximum voltage drop
N/A
9
Recommended Cable Type
1
and Length
0.8 mm to 1.0 mm
(20 to 18 AWG) 2-wire