
71
Table 24 — MS/TP Wiring Recommendations
LEGEND
SPECIFICATION
RECOMMENDATION
CABLE
Single twisted pair, low capacitance, CL2P, 22 AWG (7x30), TC foam FEP, plenum rated cable
CONDUCTOR
22 or 24 AWG stranded copper (tin plated)
INSULATION
Foamed FEP 0.015 in. (0.381 mm) wall 0.060 in. (1.524 mm) O.D.
COLOR CODE
Black/White
TWIST LAY
2 in. (50.8 mm) lay on pair 6 twists/foot (20 twists/meter) nominal
SHIELDING
Aluminum/Mylar shield with 24 AWG TC drain wire
JACKET
SmokeGard Jacket (SmokeGard PVC) 0.021 in. (0.5334 mm) wall 0.175 in. (4.445 mm) O.D.
Halar Jacket (E-CTFE) 0.010 in. (0.254 mm) wall 0.144 in. (3.6576 mm) O.D.
DC RESISTANCE
15.2 Ohms/1000 feet (50 Ohms/km) nominal
CAPACITANCE
12.5 pF/ft (41 pF/meter) nominal conductor to conductor
CHARACTERISTIC IMPEDANCE
100 Ohms nominal
WEIGHT
12 lb/1000 feet (17.9 kg/km)
UL TEMPERATURE RATING
SmokeGard 167°F (75°C)
Halar -40 to 302°F (-40 to 150°C)
VOLTAGE
300 Vac, power limited
LISTING
UL: NEC CL2P, or better
Fig. 77 — BT485 Terminator Installation
AWG
— American Wire Gage
CL2P
— Class 2 Plenum Cable
DC
— Direct Current
FEP
— Fluorinated Ethylene Polymer
NEC
— National Electrical Code
O.D.
— Outside Diameter
TC
— Tinned Copper
UL
— Underwriters Laboratories
Содержание EVERGREEN 23XRV
Страница 53: ...53 Fig 60 Typical Field Wiring Schematic LF 2 VFD Shown NOTE See Notes for Fig 60 on page 56 ...
Страница 54: ...54 Fig 60 Typical Field Wiring Schematic LF 2 VFD Shown cont a23 1585 ...
Страница 55: ...55 Fig 60 Typical Field Wiring Schematic LF 2 VFD Shown cont a23 1586 ...
Страница 60: ...60 Fig 63 23XRV Controls Schematic LF 2 ...
Страница 63: ...63 SEE NEXT PAGE SEE NEXT PAGE SEE NEXT PAGE Fig 67 23XRV Controls Schematic Rockwell Standard Tier VFD Shown ...
Страница 64: ...64 FROM PREVIOUS PAGE Fig 67 23XRV Controls Schematic Rockwell Standard Tier VFD Shown cont ...
Страница 73: ...73 Fig 78 Lead Lag Control Wiring Parallel Flow Application Unit with R Compressor Shown a23 1597 ...
Страница 74: ...74 Fig 79 Lead Lag Control Wiring Series Flow Application Unit with R Compressor Shown a23 1598 ...