March 2020
(Rev 1)
Digital Input Expansion Module
(12 Channel)
12DI-EXP-N2K
Owner’s Installation Manual
Page 1: ...March 2020 Rev 1 Digital Input Expansion Module 12 Channel 12DI EXP N2K Owner s Installation Manual ...
Page 2: ...Digital Input Expansion Module 12 CH 12DI EXP N2K Across Ocean Systems Ltd Rev 1 12DI EXP N2K 2 of 22 ...
Page 3: ...al Input Expansion Module 12 CH 12DI EXP N2K Across Ocean Systems Ltd Rev 1 12DI EXP N2K 3 of 22 NOTES RECORD DATA BEFORE INSTALLATION FOR FUTURE REFERENCE Model Serial Date of Purchase Date of Installation ...
Page 4: ...ds 7 3 About The Digital Input Expansion Module 8 3 1 Product Description 8 3 2 Intended Use 8 3 3 Technical Data 8 4 Unpacking the Product 9 5 Choosing the Installation Location Error Bookmark not defined 6 Mounting 10 6 1 3D Model Error Bookmark not defined 7 Connecting the Electrical 11 7 1 Electrical Connectors 11 7 2 Connecting the digital inputs 13 7 3 Cabling Recommendations 14 7 4 Applicat...
Page 5: ...at customers visit our website to check for updates to this Manual Once a product has been selected for use it should be tested by the user to ensure proper function in all possible applications For further instructions please contact our distributors or visit our website 1 2 COMPLIANT USE This module is an aid only and should not be used as the sole method of decision making It will not protect t...
Page 6: ...h or serious injury This symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury This symbol informs the reader of events not related to personal injury but which there is a risk of damage to property or equipment This symbol informs the reader of safety related instructions or procedures 2 2 NOTICE TO INSTALLER Disregarding the following safety measure...
Page 7: ...rve all specifications in this manual If these guidelines are not followed and damage occurs the warranty will be voided 2 3 PRODUCT HAZARDS Disconnect Power Turn off power at distribution panel before beginning installation to protect installer from electrical hazards Voltage and Current Compatibility Confirm that the power source is compatible with the maximum voltage and current ratings of is p...
Page 8: ...C and 24 VDC Nominal Operating Current Less than 50 mA 1 LEN Short Circuit Protection Yes Reverse Battery Protection Yes Indefinite Voltage Surge Protection Yes Interfaces NMEA 2000 Connectors 1x NMEA 2000 M12 3x Digital Input Banks 4 Channels per Bank Digital Input Limits 0 32VDC Mechanical Physical Dimensions L x W x H 126 mm x 50 mm x 35 mm 5 0 x 2 0 x 1 4 Mounting Dimensions L x W 113 4 mm x 3...
Page 9: ...NPACKING THE PRODUCT When unpacking the box containing the Digital Input Expansion Module the box should include the following additional items 1x Digital Input Expansion Module 1x Quick Start Guide If any of these items are missing or damaged please contact Across Ocean Systems Ltd to arrange replacements ...
Page 10: ...lel to high voltage or high current carrying wires or cables 5 2 MOUNTING THE PRODUCT Securing the Digital Input Expansion Module is a crucial step in the installation process This ensures safety to the product while providing ease of access to the installer There are two steps to securing the Digital Input Expansion Module 1 Ensure that there is enough room to accommodate the depth of the product...
Page 11: ...parately and are available through a Vitals dealer or local marine installer 6 1 ELECTRICAL CONNECTORS Connectors are indicated as to Connection to is required for basic operation All other connections are optional and based on the users specific installation needs Figure 1 Digital Input Expansion Module Connector Layout Table 1 Connector List No Connector Name 1 Digital Input Bank 1 Connector 2 D...
Page 12: ... 4 5 S1 Reference External Reference for D1 to D4 normally connected to GND 6 1 2 Digital Input Bank 2 Connector The Digital Input Bank 2 Connector allows the connection of up to four 4 digital signals and the signal reference Table 3 Digital Input Bank 2 Connector Digital Input Bank 2 Connector Pin Pin Designator Pin Type Function 1 D5 Input Digital input 5 2 D6 Input Digital input 6 3 D7 Input D...
Page 13: ...n 2 NET S Power NMEA 2000 Power Supply Positive 3 NET C Power NMEA 2000 Power Supply Ground 4 NET H Comms NMEA 2000 CAN High Signal 5 NET L Comms NMEA 2000 CAN Low Signal 6 2 CONNECTING THE DIGITAL INPUTS The digital inputs can be configured to be triggered either by connecting the input to positive voltage referred to as Active High or by connecting to ground referred to as Active Low The digital...
Page 14: ...nect it on the load side of the switch for the device being monitored Make sure that the reference terminals S1 S2 or S3 are connected to the appropriate reference Ensure that there are no large ground loops Note that if voltage source is connected to S1 S2 or S3 to apply appropriate fuse protection 1A to protect the wire and the source ABYC standard calls for protection within 1 from the source F...
Page 15: ... In this example the vessel has a secondary battery for the bilge pump an automatic float switch and a manual bilge toggle In this configuration the bilge pump is triggered either by the manual switch or when switched in auto mode by the float switch This causes the bilge pump to turn on and activates the digital input on the Digital Input Expansion Module When using another power source the groun...
Page 16: ...s Ocean Systems Ltd Rev 1 12DI EXP N2K 16 of 22 7 CONFIGURATION OPERATION Once installed onto a properly configured NMEA 2000 network and power has been connected to the Digital Input Expansion Module it will begin to transmit sensor messages on the network ...
Page 17: ...fer to the trouble shooting suggestions before contacting AOS for assistance If the steps below do not resolve your issue please reach out either AOS directly or our Dealers in your area Table 6 Common Solutions Problem Issue encountered Cause What it means Corrective Action What to do Module not responding Module power not supplied 1 Check that NMEA 2000 cable is providing power to module ...
Page 18: ...e Upon identification of a potential issue or defect with AOS Product or Part the Warranty Applicant Applicant must immediately contact AOS and describe the issue in writing by letter fax email or other electronic conveyance AOS will then assess the cause of the defect and determine warranty applicability and appropriate remediation If any part is found to be defective AOS will replace said part F...
Page 19: ... Module 12 CH 12DI EXP N2K Across Ocean Systems Ltd Rev 1 12DI EXP N2K 19 of 22 10 APPENDIX A NMEA 2000 PGN LIST The following NMEA 2000 Program Group Numbers PGN are transmitted by this unit 127501 Binary Switch Bank Status ...
Page 20: ...Digital Input Expansion Module 12 CH 12DI EXP N2K Across Ocean Systems Ltd Rev 1 12DI EXP N2K 20 of 22 Page Intentionally Left Blank ...
Page 21: ...Across Ocean Systems Ltd 313 131 West 4 th Street North Vancouver British Columbia Canada V7M 3C8 Sales Tel 1 236 688 8948 Email sales acrossoceansystems com Website acrossoceansystems com ...
Page 22: ...Made in Canada Printed in Canada ...
