Model PD6000 Analog Input Process Meter Instruction Manual
11
Isolated 4-20 mA Transmitter Output
OUTPUT
SOURCE
Process variable (PV), max, min, set points 1-8, 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
0.005% of calibrated span/
°
C max from 0 to 65
°
C ambient,
0.01% of calibrated span/
°
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
Ω
700
Ω
35 VDC (external)
100
Ω
1200
Ω
Serial Communications
METER
ADDRESS
1 - 247
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 stop bit)
PARITY
None
TURN AROUND
DELAY
Less than 2 ms (fixed)
Note: Refer to the PDC Serial Communication Protocol manual located at
www.predig.com for details.
