Emerson FB1100 Flow Computer Instruction Manual
D301752X012
August 2020
40
Installation
Figure 2-30: Connecting a Device to COM2 or COM3 Using RS-232
1
RS-232 port (COM2) on FB device
2
RS-232 port on external device
3
RS-232 port (COM3) on FB device
When connecting COM2 or COM3 to an RS-485 (2-wire) port on another device (for example, a
transmitter), use a cable with configurations as shown in
Figure 2-31
.
Note
Neither COM2 nor COM3 has its own GND terminal. Use either GND terminal on the COM1
terminal block.
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 ...