IMU‑IGM-A1 and IMU-IGM-S1 Ports

IMU‑IGM-A1 and IMU-IGM-S1 Main Port Pinout

Pin #

Label

Description

1

MIC_TX/MIC_TX+

MODE2 open: MIC port transmit (RS-232)

MODE2 low: MIC port transmit positive (RS-422)

2

MIC_TX-

MODE2 open: No connection

MODE2 low: MIC port transmit negative (RS-422)

3

DGND

Digital ground

4

V+

Power supply input, positive

5

V-

Power supply input, negative

6

MIC_RX/MIC_RX+

MODE2 open: MIC port receiver (RS-232)

MODE2 low: MIC port receive positive (RS-422)

7

MIC_RX-

MODE2 open: No connection

MODE2 low: MIC port receive negative (RS-422)

8

DGND

Digital ground

9

Reserved

Reserved

10

Reserved

Reserved

11

DGND

Digital ground

12

Reserved

Reserved

13

MODE2

Mode 2 input, controls MIC port standard

14

Reserved

Reserved

15

Reserved

Reserved

IMU‑IGM-A1 and IMU-IGM-S1 AUX Port Pinout

Pin #

Label

Description

1

ODM_A+

Wheel sensor input A positive

2

ODM_B+

Wheel sensor input B positive
(No connection on IMU‑IGM-S1)

3

Reserved

Reserved

4

WS_VOUT

Wheel sensor output voltage (12 VDC)

5

DGND

Digital ground

6

ODM_A-

Wheel sensor input A negative

7

ODM_B-

Wheel sensor input B negative
(No connection on IMU‑IGM-S1)

8

Reserved

Reserved

9

DGND

Digital ground

10

Reserved

Reserved

11

Reserved

Reserved

12

Reserved

Reserved

13

Reserved

Reserved

14

Reserved

Reserved

15

DGND

Digital ground