Serial Communications - Emerson Control Techniques Epsilon Eb Series Reference Manual

Epsilon Eb and EN Drives Reference Manual
output resolution is 2048 lines per motor revolution. This resolution is adjustable in one
line per revolution increments with PowerTools software. The range is between 1 and the
actual motor encoder density.

Serial Communications

Serial communications with the drive is provided through the female DB-9 connector located
on the front of the drive. The serial interface is either three wire non-isolated RS-232C or two
wire non-isolated RS-485. RS-485 is also available through the 44-pin Command Connector.
Front View
Figure 88: EN Drive RS-232 and RS-485 Internal Connections between the Command
Connector and the Serial Communication Connector
112
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
RS-485 - 9
8
N/C
N/C 7
+ 5 6
5
Comm Common
4
RS-485 +
TX (232)
3
2
RX (232)
Shield 1
J4
RS-485 - 21
12
RS-485 + 6
J5
PE
10 Ohm
Single point
ground
To drive
processor.