PowerLogic PM-620 User Manual

112  1998 Square D All Rights Reserved
Power Meter Bulletin No. 3020IM9503R6/98
Index December 1998
Register list 81–100 (cont.)
energy values
accumulated energy 91
real time metered values 81
Regulatory/Standards compliance 71
Relay functions
setpoint-controlled 67
Relay output specifications 71
Resets mode 50
Resets, performing 54
Routing wires—illustration 30
RS-485 comms terminals—ill. 10
S
Safety precautions 5
Setpoint-controlled
relay functions 67
Setpoint-controlled relay functions
undervoltage 68
Setpoint-controlled relay functions
unbalance current 68
unbalance voltage 68
Setpoint-driven alarms 66
Setting up onboard alarms 55
Setting up the power meter 52
Setup 7
mode 49
parameters, factory defaults 52
Sliding block interval demand 63
Solid-state KYZ pulse output 33
Specifications 70
Synch to comms 64
System connections 21
System wiring connections 75
T
Terminal identification 10
Terminating
communications link 44
with MCTAS-485—illustration 44
with terminal block and MCT-485—ill. 45
THD, thd 62
U
Unbalance current 68
Unbalance voltage 68
Undervoltage 68
V
Values
min/max 57
VAR sign convention
alternate 60
changing the 79
default 59
Viewing active alarms 56
W
Wiring
240/120 V 1-phase, 3-wire direct voltage
connection with 2 CTs 76
2-wire Modbus or Jbus 103
max. distance of comms link 103
3-phase, 3-wire delta direct voltage
connection with 2 CTs 24
3-phase, 3-wire delta with 2 PTs and
2 CTs 25
3-phase, 3-wire delta with 2 PTs and
3 CTs 26
3-phase, 4-wire delta with 3 PTs and
3 CTs 77
3-ph, 4-w wye, 3-w load with 3 PTs
and 2 CTs 78
3-phase, 4-wire wye, ground and direct
voltage connection, with 3 CTs 27
3-phase, 4-wire wye ground with 3 PTs and
3 CTs—ill. 28
biasing the communications link 42
communications
Modbus RTU 39
Jbus 39
POWERLOGIC protocol 35
CTs, PTs, and control power 21
dc control power 29
deriving control power from phase voltage
deriving 31
Labeling the CAB-107 leads 43
routing wires 30
routing wires—illustration 30
solid-state KYZ pulse output 33
supported connections 74
system connections 21, 75
terminating the communications link 44

PowerLogic PM-620 Specifications

General

Brand	PowerLogic
Model	PM-620
Category	Measuring Instruments
Language	English