1998 Square D All Rights Reserved 111
Bulletin No. 3020IM9503R6/98 Power Meter
December 1998 Index
L
Length of the communication link
POWERLOGIC, Modbus, or Jbus 41
Log file size, calculating 108
M
MCT-485—illustration 45
MCTAS-485—illustration 44
Metering
capabilities 57
demand power calculation method 63
demand readings 63
energy readings 61
input electrical specifications 70
real-time readings 57
specifications 70
Min/max conventions
power factor 58
Min/max values 57
Modbus and Jbus
functions supported 101
Modbus RTU protocol 39
Mode
accessing a 48
button 51
diagnostics 50
display 50
using 55
resets 50
setup 49
Modes 47
Mounting.
See Installation
O
Onboard alarming 66–68
Onboard alarms
setting up 55
P
Password 52, 96
Peak demand 64
Phase voltage inputs
deriving control power from 31
Physical specifications 71
Pinouts.
See
Communication Cable
Pinouts
PM&CS
daisychaining devices 41
defined 35
PNIM 37
Power Analysis Values
THD, thd 62
Power factor min/max conventions 58
Power Meter
as first device on PM&CS or Modbus
comms link 42
connecting to a personal computer 36
connecting to a PNIM—illustration 37
connections, wiring—illustration 10
description 1
dimensions 72
display
dimensions 72
display comms port—illustration 9
displaying data, procedure for 7, 55
how the buttons work 51
illustration 8
installation 11
installing in existing cutout 12
installing on panel without existing
cutout 13
modes 47
operation modes 7
RS-232 port—illustration 9
features 1
grounding 32
installation 14, 18
DIN rail 18
directly behind display 14
remote mounting 16
instrumentation summary 2
models compared 2
mounting options 11
navigating parameters 48
setup 52
flowchart 53
system wiring connections 75
wiring 30
Predicted demand 64
Programmable controller 38
Protocols 35
Jbus 39
Modbus RTU 39
POWERLOGIC 35
Pulse constant
calculating the 65
Pulse output, KYZ 65
R
Real-time readings 57
Register list 81–100
alarm configuration 99
configuration 95
date/time compressed form 93
demand values
current demand 91
power demand 92
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