MicroStrain Inertia-Link 3DM-GX2 Technical Notes

Technical Note
Inertia-Link
3DM-GX2
Orientation Sensors
Interfacing With Other Rs-422 Devices

Overview

MicroStrain's Inertia-Link
interface. There is no standard for connector pin compatibility between RS-422 devices made by
different vendors. This technical note presents an example of how the Inertia-Link
®
GX2 can be interfaced to another vendor's device.

Pin Assignments

®
The Inertia-Link and 3DM-GX2
the enclosure. This connector provides the communications and power interface to the devices.
The pin layout as viewed from outside the enclosure is shown in the following figure:
The connector pin assignments are described in the following table and notes:
®
®
® ®
and 3DM-GX2 can be outfitted with an RS-422 communications
®
present a female Micro-D 9-pin connector on the sidewall of
Figure 1
Pin # RS422
1 -
2 -
3 +5V
4 RxD+
5 RxD-
6 +6V/+9V/+12V
7 TxD+
8 GND
9 TxD-
Table 1
1
2
2
1
2
2
®
and 3DM-