Multi-Tech Systems 7500 - Manual (Page 144)

Using the Onboard Digital Inputs ION 7500 / ION 7600 User’s Guide
Page 144 Chapter 5 - Features and Applications
Using the Onboard Digital Inputs
Digital inputs are necessary for status monitoring or pulse counting applications.
Status monitoring can help you prevent equipment damage, improve
maintenance, or track security breaches. Some common status monitoring
applications are monitoring the closed/open positions of breakers, on/off status of
generators, armed/unarmed conditions in a building alarm system, and
over/under pressures of transformers.
The meter has eight status input ports. The function of each status input is
controlled by a Digital Input module; this module tells the meter how to interpret
incoming signals. Digital Input modules can be linked with other modules for
counting status changes.
The function of each status input is controlled by the Digital Input modules DI-S1
to DI-S8. (Eight Counter modules for counting status changes and an External
Pulse module for resetting them are included with the Digital Input framework.)
N OTE
The Digital Inputs on the Optional I/O card are controlled by the Digital Input modules I/O-S1 to I/O-
S8. However, on the Optional I/O card itself, the inputs are labelled DI1 to DI8
The settings in the Digital Input modules are as follows:
Setup Register Available Settings Creation Default Description
Input Mode Pulse or KYZ Pulse Complete pulse or KYZ transition pulse
EvLog Mode Log Off or Log On Log Off Whether or not to log status changes in the Event Log
Debounce 0 to 65.25 0.010 Mechanical contact bounce, in seconds
Polarity Non-Inverting or Inverting Non-Inverting Non-inverted (or level) pulse
Port
Not Used
Port DI1
Port DI2
Port DI3
Port DI4
Port DI5
Port DI6
Port DI7
Port DI8
Not Used The input hardware channel controlled