CHAPTER 7: MODBUS COMMUNICATIONS MODBUS MEMORY MAP
PQM POWER QUALITY METER – INSTRUCTION MANUAL 7–83
F47 DNP PORT FFFF
0 = NONE ---
1 = RS232 ---
2 = COM1 ---
3 = COM2 ---
F100 PQM OPTIONS FFFF
No Options Installed (Chassis Mount) 0000
PQM (Display Version) 0001
T20 (4-20mA Transducer) Option 0002
T1 (0-1mA Transducer) Option 0004
C (Control) Option 0008
A (Power Analysis) Option 0010
Not Used 0020
Not Used 0040
Not Used 0080
Not Used 0100
Not Used 0200
Not Used 0400
Not Used 0800
Not Used 1000
Not Used 2000
Not Used 4000
Not Used 8000
F101 SWITCH INPUT STATUS
(0 = OPEN, 1 = CLOSED)
FFFF
Not Used 0001
Not Used 0002
Not Used 0004
Not Used 0008
Not Used 0010
Not Used 0020
Not Used 0040
Not Used 0080
Switch A 0100
Switch B 0200
Switch C 0400
Switch D 0800
Not Used 1000
Not Used 2000
Not Used 4000
Not Used 8000
Table 7–11: Memory Map Data Formats (Sheet 12 of 20)
CODE DESCRIPTION BITMASK
Courtesy of NationalSwitchgear.com
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