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MO 691 H4X
Power Controller · Compact CAN-bus I/O module with 14 high-side outputs
MO 691 H4X is a compact CAN-bus I/O module for commercial and off-road machines that need many strong switched outputs. Up to 14 high-side outputs rated 6 A each are backed by analog and digital inputs and a dedicated safety switch output, all in a sealed IP67 package.
- I/O
- IO Module
- Connector
- 35 Pin Tyco Seal Connector
- Supply
- 8~32 VDC

Overview
High-current outputs in a compact module.
Highlights
- User programmable option New
- Up to 14 high-side outputs
- Up to 20 digital inputs
- Up to 4 frequency inputs
- Up to 19 analog inputs
- Up to 8 current inputs
- Up to 4 resistive/temperature sensor inputs
- Safety switch output (low-side, 500 mA) as a second switch-off path for the high-side outputs
- Overvoltage protection up to 36 VDC via TVS diodes
Specifications
- Communication
- SAE J1939 (CAN 2.0A/2.0B), UDS (ISO 14229) protocol
- Casting Material
- GF 30 % Polyamid
- Operating Voltage
- 8~32 VDC
- Power Consumption
- 100 mA typ. (no load)
- Operating Temperature
- -40°C ... +85°C
- Protection Class
- IP67
- Connector
- 35 Pin Tyco Seal Connector
- I/O Class
- IO Module
Order Code
Build the order code from its segments
Pick one option from each column of the table and join them with dashes — the result is the code to quote when you order.
- MO 691
- H4X
- SXXXX
X stands for the digits you pick from the table.
| MO 691 - | H4X - Hardware | SXXXX Software |
|---|---|---|
| H40 - 2 Digital Inputs, 4 Analog Inputs, 14 High-Side Outputs IO Module | S1000 - Default |
* Available upon request with minimum order quantity.
Example:
- MO 691.H40.S1000
- 2 Digital Inputs, 4 Analog Inputs, 14 High-Side Outputs IO Module with SAE J1939 interface.
Need a custom configuration?
Contact EngineeringTell our engineering team about your machine platform and signal requirements. We'll propose the right hardware variant and software baseline.