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Helios PD2-6100 Strain Gauge, Load Cell, and mV Meter
Isolated 4-20 mA Transmitter
Output
Output
Process variable (PV), max, min, set points
Source
1-4, Modbus input, or manual control mode
Scaling
1.000 to 23.000 mA for any display range
Range
Calibration
Factory calibrated:
0.00 to 100.00 = 4-20 mA output
Analog
1.000 mA minimum and 23.000 mA
Output
maximum for all parameters: overrange,
Programming
underrange, max, min, and break
Accuracy
± 0.1% of span ± 0.004 mA
Temperature
0.4 µA/C max from 0 to 65C ambient,
Drift
0.8 µA/C max from -40 to 0C ambient
Note: Analog output drift is separate from
input drift.
Terminals I+ & R: 24 VDC 10% isolated
Isolated
Transmitter
from the input at >500 V. May be used to
Power Supply
power the 4-20 mA output or other devices
(except load cell/strain gauge). Refer to
Connectors Labeling on page 16 and
Figure 29. 4-20 mA Output Connections on
page 21.
All models rated @ 40 mA max.
External Loop
35 VDC maximum
Power Supply
Output Loop
Power supply
Resistance
24 VDC
35 VDC
(external)
Additional
The
PD659-1MA-2MA
4-20 mA
4-20 mA output into two isolated 4-20 mA
Outputs
outputs
0-10 VDC
The
PD659-1MA-1V
optional 4-20 mA output to a 0-10 VDC
Output
output
RS-485 Serial Communications
Compatibility EIA-485
Connectors
Removable screw terminal connector
Max Distance 3,937' (1,200 m) max
Status
Separate LEDs for Power (P), Transmit
Indication
(TX), and Receive (RX)
Minimum Maximum
10
700
100
1200
can split the optional
can convert the
10
®
Modbus
RTU Serial
Communications
1 – 247 (Meter address)
Slave ID
300 – 19,200 bps
Baud Rate
Transmit
Programmable between 0 and 199 ms
Time Delay
Data
8 bit (1 start bit, 1 or 2 stop bits)
Parity
Even, Odd, or None with 1 or 2 stop bits
0.01 – 2.54 second
Byte-to-Byte
Timeout
Turn Around
Less than 2 ms (fixed)
Delay
Note: Refer to the Helios Modbus Register Tables located
at
www.predig.com
for details.
Digital Input (F4)
Function
Operate tare function, remote operation of
front-panel buttons, acknowledge/reset
relays, reset max/min values. See Function
Keys & Digital I/O Available Settings on
page 47 for a complete list of capabilities.
Contacts
3.3 VDC on contact. Connect normally
open contacts across F4 to COM
Logic Levels
Logic High: 3 to 5 VDC
Logic Low: 0 to 1.25 VDC
MeterView Pro Software
Availability
Download directly from meter or from
www.predig.com/download_software
®
System
Microsoft
Windows
Requirements
Communications USB 2.0 (for programming only)
(Standard USB A to USB Type B)
RS-485 to USB converter
(programming, monitoring, and data
logging)
Configuration
Configure meters one at a time
Power
USB port provides power to the meter.
DO NOT apply AC or DC power to the
meter while the USB port is in use.
Instruction Manual
®
XP/Vista/7/8/10
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