Report Message 20 - PIND

Proprietary NMEA message containing the digital state of the six inputs on the CTM-15X Modem and a counter that keeps tracks of the number of times Input 1 has been triggered.

Message format is:
$PIND,abcdef,nnnnn*hh

Where:
abcdef is the current digital state of inputs 1 through 6: 0 = low; 1 = high

nnnnn
is the counter for the number ticks from input 1; Counter max 65535; Max tick frequency is 40Hz
Note: This parameter is valid with power management microcontroller firmware revision r101 only. Contact Cypress Solutions for details.

hh
is the message checksum

Example:
$PIND,000000,2*21