DR4300 Circular Chart Recorder

7

Communication PCA

7

Main PCA

TB1

TB2

TB1

TB2

Pen 1

Main PCA

Pen 2

J3

_ +

See

Note

NOTE: The shield of the communication cable is connected to ground at the recorder end, and should not extend into the recorder enclosure.

24822

Communications master

Tx+/

SHLD

Tx–/

Rx+

Rx–

120 Ohm

Resistor

Place 120 Ohm Resistor on last device, between Tx+/Rx+ and Tx–/Rx–.

To other communications instruments (Maximum 15)

Optional communication

Figure 2-13 Communication Wiring

36

DR4300 Circular Chart Recorder Product Manual

12/03

Page 48
Image 48
Honeywell DR4300 manual Communication Wiring