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  1. What firmware changes have taken place on the Maretron ACM100 AC Monitor? What firmware changes have taken place on the Maretron ACM100 AC Monitor? Update your device today using the N2KAnalyzer software tool.ACM100 Firmware Versions1.1.1.2 (01-24-2020)Support small CTCorrectly assign minimum current threshold depended on ... Read More
  2. What are the specifications for the Current Transformer (CT) that comes with the Maretron AC Monitor (ACM100)?  The ACM100's current transformer specifications are as follows: Part Number: M000630Current Range: 100 AmpsOutput Ratio to Input: 1000:1 (100maAC Max)Frequency Range: 45-60HZDielectric Withstand: 1000VAC (RMS)Insulation resistance Class: .5KVFu... Read More
  3. What 3-Phase applications is the ACM100 compatible with? The ACM100 is designed to measure 3-Phase "WYE" configurations. However, it can be used to measure many parameters of 3-phase Delta configurations in the following manner:Configure the ACM100 for a circuit type of "3-Phase Y (Ph. A, B, C)"Use the fol... Read More
  4. What are the dimensions of the two ACM100 current transformer accessories? Please refer to Figure 1 below for the ACM100s CT dimensions: Figure 1... Read More
  5. What is the SMS100 Status message? Which Maretron components do I need? The SMS100 Status Message is a text message you can receive from the SMS100 containing key pieces of information regarding your vessel. When the SMS100 is installed, you can text the word "Status"  to your SMS100 cellular number and receive a respons... Read More
  6. How do I set up my SMS100 address book using Maretron displays? SMS100 Operational Requirements: Working NMEA2000 networkSMS100 text moduleDSM150/DSM250 display with firmware version 1.4.18.8 or higher N2KView software/hardware versions 3.6.2 or higherThe SMS100 requires a Maretron display to produce alert messag... Read More
  7. My cellular provider is requesting the SMS100 IMEI number. What is a IMEI number? Where can I find this number on my SMS100? What is a device's IMEI number?"Every mobile phone, GSM modem or device with a built-in phone / modem has a unique 15 digit IMEI number. Based on this number, you can check some information about the device, e.g., the brand or model or the devic... Read More
  8. What cellular bands does the SMS100 work with? Yes, the SMS100 was designed to work with 2G GSM/GPRS/EDGE, 3G UMTS/HSDPA/HSUPA services. The SMS100 supports frequency bands 800/850/900/1700/1900/2100 MHz. Note:Carriers such as AT&T and  T-Mobile offers SIM cards that will work with the SMS100. Wh... Read More
  9. What firmware changes have taken place on the Maretron SMS100? 2.0.3.1 (2013-07-25)Change NMEA2000 Class/Function to 70/171 (Bug #2668)2.0.2.1 (2013-07-19)Corrected a problem where, upon receipt of the STATUS command, the SMS100 would return parameter values from any available instance, if the instances specifie... Read More
  10. Can I install more than one SMS100 in the same NMEA 2000 network? No, an NMEA 2000 network can only contain a single SMS100.... Read More
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