Precision Digital PD6400 - Manual (Page 12)

Model PD6400 High Voltage & Current Meter Instruction Manual
12
TEMPERATURE
DRIFT 0.4 µA/
°C max from 0 to 65°C ambient,
0.8 µA/
°C max from -40 to 0°C ambient
Note: Analog output drift is separate from input drift.
ISOLATED
TRANSMITTER
POWER SUPPLY Terminals I+ & R: 24 VDC
± 10% @ 40mA. May be used to
power the 4-20 mA output or other devices. Refer to Figure
6 on page 18 and Figure 20 on page 25.
EXTERNAL LOOP
POWER SUPPLY 35 VDC maximum
OUTPUT LOOP
RESISTANCE Power supply Minimum Maximum
24 VDC 10
Ω
700
Ω
35 VDC (external) 100
Ω
1200
Ω
Modbus® RTU Serial Communications
SLAVE ID 1 – 247 (Meter address)
BAUD RATE 300 – 19,200 bps
TRANSMIT
TIME DELAY Programmable between 0 and 199 ms
DATA 8 bit (1 start bit, 1 or 2 stop bits)
PARITY Even, Odd, or None with 1 or 2 stop bits
BYTE-TO-BYTE
TIMEOUT 0.01 – 2.54 second
TURN AROUND
DELAY Less than 2 ms (fixed)
Note: Refer to the P RO V U
®
Modbus Register Tables located at www.predig.com
for details.