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Input Module Connectors
Users can choose different types of analog and digital input modules that can be
Input modules
for 61STD and
installed on the rear panel of the 61000 Standard (61STD) and 61000 Switchgear
61SGD
(61SGD) units. The modules must be selected at time of order. In case users want
additional modules installed, the unit must be returned to the factory. The input
modules allow a variety of voltage and current measurement cables, probe types, or
pods to connect to the instrument for voltage, current, and/or digital signal monitoring.
The voltage and current connectors are designed in modular configuration, with the
following analog input module measurement point interface:
• AC/DC Voltage Module with safety connectors (Model 61MVB)
• AC/DC Voltage Module with terminal block connectors (Model 61MVS)
• AC/DC Current Module with connectors for external CTs (Model 61MAC)
• AC/DC Module for Voltage or Current Pod (Model 61MZP)
The eight-channel digital input module Model 61MDIN allows users to monitor on/off
type digital signals, such as breaker or switch signal positions. Digital inputs can be
configured to provide demand interval synchronization, pulse counting, KYZ metering,
or to provide start/stop monitoring control.
61000 Voltage Compliance Monitor unit (61VCM) offers only one type of module
Input module
for 61VCM
interface:
• AC/DC Voltage Module with terminal block connectors (Model 61MVS)
The module connectors for 61VCM is factory installed and cannot be altered by users.
Input channels for the modules installed on the rear connector panel are labelled ±A,
Input channels
±B, ±C, and ±D. You must turn on any input channel to be used for monitoring. If a
channel is not turned on, no data will be collected for it.
Chapter 2/ Controls, Indicators, and Connectors
Continued on next page
2-11
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