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September 2020
Table 4-5: Bus connections to Host Port 7- 8
Interface
TRL2
RS485 / 422
(1)
(2-wire)
RS485 / 422
(4-wire)
RS232
(1)
Recommended for redundant systems
Conductors
Ensure that you use cables suitable for the terminal blocks that are supplied
by Emerson for the Rosemount 2460 System Hub.
Table 4-6: Cables Suitable for Terminal Blocks Supplied by Emerson
Conductor connection
Solid
Flexible
Flexible, Ferrule with plastic collar 1.5
Figure 4-8: Conductor Stripping Length and Cross-sectional Area
A. Stripping length: 7 mm
B. Cross-sectional area, see
Quick Start Guide
A
B
(A and B polarity
independent)
A
B
RD + (A')
RD - (B')
RxD
TxD
Maximum (mm
4
2.5
Table 4-6
C
D
N/A
N/A
N/A
N/A
TD + (A)
TD - (B)
N/A
N/A
2
)
AWG
11
13
16
Quick Start Guide
COM
N/A
GND
GND
GND
A
B
27
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