Specifications, General – Precision Digital PD865 User Manual
Page 7
PD865 Snooper Modbus
Serial Input Meter
Instruction Manual
7
SPECIFICATIONS
Except where noted all specifications apply to operation at +25°C.
General
Input/Output
Modbus RTU over RS-485
DISPLAY
Six digits, 0.56" (14 mm) high, red LED. Displays from
-199999 to 999999, automatic leading zero blanking.
DISPLAY
UPDATE RATE
Master: 10/second to once every 25.5 seconds
Slave/Snooper: Dependent on master device (e.g. PLC)
OVERRANGE
Values greater than the highest Input value programmed
cause the display to flash
999999
UNDERRANGE
Values less than the Input 1 value cause the display to
flash
-199999
PROGRAMMING
METHODS
Four front panel buttons, or via Modbus registers.
RECALIBRATION
Only required for the 4-20 mA output. Calibrated at the
factory. Recalibration is recommended at least every
12 months.
MAX/MIN
DISPLAY
Max/min readings are stored until reset by the user or
when power to the meter is turned off. User can reset by
front panel pushbuttons or via Modbus registers.
PASSWORD
Programmable password restricts modification of
programmed settings.
NON-VOLATILE
MEMORY
All programmed settings are stored in non-volatile memory
for a minimum of ten years, with or without power.
POWER
AC: 85-265 VAC, 50/60 Hz
DC: 90-265 VDC
Optional: 12-36 VDC, 12-24 VAC
Model Watts
PD865-6R2-06 6
PD865-6R5-16 8
PD865-6R7-16 15
PD865-7R5-06 10
PD865-7R7-06 10
REQUIRED FUSE
UL Recognized, 5 A max, slow-blow; up to 6 meters
may share one fuse.
ISOLATED
TRANSMITTER
POWER SUPPLY
One transmitter power supply (Optional)
24 VDC
10% @ 200 mA max. (-1 option)
ISOLATION
4 kV input/output-to-power line
500 V input-to-output or output-to-24 VDC supply