CHAPTER 7: MODBUS COMMUNICATIONS
MODBUS MEMORY MAP
PQM POWER QUALITY METER – INSTRUCTION MANUAL
7–77
F19
UNSIGNED INTEGER - AUX RELAY FUNCTION
FFFF
0 = Off
---
1 = Aux1 Relay
---
2 = Aux2 Relay
---
3 = Aux3 Relay
---
F20
UNSIGNED INTEGER - SWITCH FUNCTION
FFFF
0 = Not Used
---
1 = Alarm Relay
---
2 = Auxiliary Relay 1
---
3 = Auxiliary Relay 2
---
4 = Auxiliary Relay 3
---
5 = Pulse Input 1
---
6 = New Demand Period
---
7 = Setpoint Access
---
8 = Select Main/Alt Analog Output
---
9 = Select Main/Alt Analog Input
---
10 = Pulse Input 2
---
11 = Pulse Input 3
---
12 = Pulse Input 4
---
13 = Clear Energy
---
14 = Clear Demand
---
F22
TIME HOURS/MINUTES
FFFF
Hours: 0 = 12 am, 1 = 1 am,..., 23 = 11 pm
FF00
Minutes: 0-59 in steps of 1
00FF
F23
UNSIGNED INTEGER - TIME SECONDS
FFFF
Seconds: 0 = 0.000s,...,59999 = 59.999s
---
F24
DATE MONTH/DAY
FFFF
Month: 1=January,..., 12=December
FF00
Day: 1-31 in steps of 1
00FF
F25
UNSIGNED INTEGER - DATE YEAR
FFFF
Year: 1995, 1996, 1997,...
---
F26
UNSIGNED INTEGER
HARMONIC SPECTRUM PARAMETER
FFFF
0 = None
---
1 = Phase A Current
---
2 = Phase B Current
---
3 = Phase C Current
---
4 = Neutral Current
---
5 = Voltage Vax
---
6 = Voltage Vbx
---
7 = Voltage Vcx
---
F27
UNSIGNED INTEGER - SWITCH ACTIVATION
FFFF
0 = Open
---
1 = Closed
---
Table 7–11: Memory Map Data Formats (Sheet 6 of 20)
CODE
DESCRIPTION
BITMASK
Содержание Multilin PQM
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