Emerson FB1100 Flow Computer Instruction Manual
D301752X012
August 2020
38
Installation
2.13.1
Connecting to COM1
COM1 can be configured for RS-232, RS-485 (2-wire) or RS484/422 (4-wire) communications.
When connecting COM1 to another device using RS-232, use a cable with configurations as shown
in
Figure 2-27
:
Figure 2-27: Connecting a Device to COM1 Using RS-232
1
RS-232 port (COM1) on FB device
2
RS-232 port on external device
When connecting COM1 to another device using RS-485/422 (4-wire) use a cable with
configurations as shown in
Figure 2-28
:
Figure 2-28: Connecting a Device to COM1 Using RS-485/422 (4-wire)
1
RS-485/422 (4-wire) port (COM1) on FB device
2
RS-485/422 (4-wire) port on external device
Summary of Contents for FB1100
Page 14: ...Emerson FB1100 Flow Computer Instruction Manual D301752X012 August 2020 10 Introduction ...
Page 48: ...Emerson FB1100 Flow Computer Instruction Manual D301752X012 August 2020 44 Installation ...
Page 87: ...Emerson FB1100 Flow Computer Instruction Manual D301752X012 August 2020 Index 83 ...