Interfaces
6-27
Installation Manual for Models ODM-005, ODM-005i, ODM-010, ODM-010i, ODM-020 and ODM-020i
J2 Terminal Strip/Breakout Board
A 25-pin terminal strip kit is available for extending the encoder signals from the J2 connector. The kit
includes a 3-foot (1 meter) interface cable a 25-pin terminal strip, and mounting hardware.
6Interfaces
J5 – Serial Port
J5 is 9 pin female D-shell (AMP 205204-4, pins AMP 66506-3) connector. This connector is a serial
interface that allows communication with another OMNIDRIVE , a PC, a terminal, a host computer, a
controller or an optional TouchPad. The shell of the connector is grounded to the chassis for shield
termination.
The serial interface of the OMNIDRIVE uses the standard NRZ asynchronous serial format, and supports
both the RS-232 and the four wire RS-485 communications standards.
•
Standard baud rates include 1200, 2400, 4800, 9600 and 19200 baud. 9600 is the factory
default setting.
•
Even, odd, and no parity generation/checking are supported. No parity is the factory default
setting.
•
The maximum number of OMNIDRIVEs allowable on an RS-485 bus is 32.
•
The maximum length of an RS-232 cable is 15 meters (50 feet).
Pin
Signal
Description
Use
1
RCV(+)
Receive (+)
RS-485 (four wire)
2
RCV
Receive
RS-232
3
XMT
Transmit
RS-232
4
XMT(+)
Transmit (+)
RS-485 (four wire)
5
COM
+5 VDC Common
6
Reserved
a
a. Do
not
connect any device to J4-6, J5-6, J4-9 or J5-9 except an Thomson Industries TouchPad.
7
RCV(-)
Receive (-)
RS-485 (four wire)
8
XMT(-)
Transmit (-)
RS-485 (four wire)
9
Reserved
1
Intro
F
IGURE
6.38
RS-232/485 Interface Circuit
pin 5
pin 6
pin 9
pin 1
EXT
INT
XMT
RCV
XMT-
XMT+
RCV+
RCV-
RS-232
RS-485
TRANSMIT
RECEIVE
TRANSMIT
ENABLE
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