Precision Digital Corporation PD6060, Инструкция по эксплуатации

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Model PD6060 Dual-Input Process Meter Instruction Manual
13
Isolated 4-20 mA Transmitter Output
OUTPUT
SOURCE Process channel A, B, or C, max or min for channel A, B, or
highest or lowest max or min of A and B, 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 ± 10%. May be used to power the
4-20 mA output or other devices.Refer to Figure 7 on page
20 and Figure 16 on page 24.
ProVu Series (PD6060):
All models rated @ 40 mA max.
ProtEX-MAX (PD8 Series):
All models @ 25 mA max.
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.