Precision Digital PD6000 - Manual (Page 11)

Model PD6000 Analog Input Process Meter Instruction Manual
11
AUTO
INITIALIZATION When power is applied to the meter, relays will reflect the
state of the input to the meter.
Isolated 4-20 mA Transmitter Output
OUTPUT
SOURCE Process variable (PV), max, min, set points 1-8, Modbus
input, or manual control mode
SCALING RANGE 1.000 to 23.000 mA for any display range
CALIBRATION Factory calibrated: 4.000 to 20.000 = 4-20 mA output
ANALOG OUT
PROGRAMMING 23.000 mA maximum for all parameters:
Overrange, underrange, max, min, and break
ACCURACY ± 0.1% of span ± 0.004 mA
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
 5% @ 40 mA maximum; may
be used to power the 4-20 mA output or other devices.
Refer to Figure 5 on page 18 and Figure 13 on page 22.
EXTERNAL LOOP
POWER SUPPLY 35 VDC maximum
OUTPUT LOOP
RESISTANCE Power supply Minimum Maximum
24 VDC 10
 700 
35 VDC (external) 100
 1200 
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
or transmitter always on for RS-422 communication
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 PD6000/PD7000 Modbus Register Tables located at
www.predig.com for details.