83
GF 9950-10 Six Channel Transmitter
Binary Input Speci
fi
cations (3-9950.393-3)
Input Voltage Range
(without damage) .................. -5 VDC to 30 VDC
(no operation below 0 VDC)
Max. Voltage Rating ............. 30 VDC
Max. Current Rating ............. 6.0 mA
Maximum input voltage for
signal “Off” (low or "0") ........ 1.5 VDC
Minimum input voltage for
signal “On” (high or "1") ........ 3.0 VDC
Maximum current draw for
signal “0” (low): ..................... <500
μ
A DC
Minimum current draw for
signal “1” (high): ................... 500
μ
A
Typical current draw for
signal “1” (high): ................... 6.0 mA at 30 VDC
4.8 mA at 24 VDC
2.4 mA at 12 VDC
1.0 mA at 5 VDC
Input Types
• Digital
(S
3
L) or AC frequency
• Open
collector
• 4 to 20 mA input via the 8058-1 iGo Signal Converter
• pH/ORP input via the Digital (S
3
L) output from the
2751 pH/ORP Sensor Electronics
• Raw Conductivity/Resistivity via the Direct Conductivity
Module or the Digital (S
3
L) output from the 2850
Conductivity/Resistivity Sensor Electronics
Sensor Types:
Flow, pH/ORP, Conductivity/Resistivity, Pressure, Temperature,
Level/Volume, Salinity, Dissolved Oxygen, Other (4 to 20 mA)
Display Ranges:
pH ...............................-1.00 to 15.00 pH
pH Temp. ....................-99 °C to 350 °C (-146 °F to 662 °F)
ORP ............................-1999 to +1999.9 mV
Flow Rate ................... -9999 to 99999 units per second,
minute, hour or day
Totalizer ......................0.00 to 99999999 units
Conductivity ................ 0.0000 to 99999
μ
S, mS, PPM and
PPB (TDS), k
Ω
, M
Ω
Cond. Temp. ...............-99 °C to +350 °C (-146 °F to 662 °F)
Temperature ...............-99 °C to +350 °C (-146 °F to 662 °F)
Pressure .....................-40 to 1000 psi
Level ...........................-9999 to +99999 m, cm, ft, in, %
Volume ......................... 0 to 99999 cm
3
, m
3
, in
3
, ft
3
, gal, L, lb, kg, %
Salinity ........................0 to 100 PPT*
Salinity Temp Range ...-2 to 35 C° (28.5 to 95 F°)
Dissolved O
2
...............0 to 50 mg/L, 0 to 200%
Current Loop Speci
fi
cations (Internal and Modules)
Analog Outputs .............. Two 4 to 20 mA output in base unit,
Two or four 4 to 20 mA outputs in
optional modules
Current Loop Out ........... ANSI-ISA 50.00.01 Class H
(Passive, external voltage required)
Voltage........................... 12 to 32 VDC, ±10% regulated. Use
UL60950-1 or UL61010-1 certi
fi
ed
power supply. Power supply shall
also be rated for operation at
4000 m altitude.
Max. Impedance: ........... 250
Ω
@ 12 VDC
500
Ω
@ 18 VDC
750
Ω
@ 24 VDC
Span .............................. 3.8 to 21 mA Adjustable, reversible
Accuracy ........................ ± 32
μ
A max. error @ 25 °C @ 24
VDC
Resolution...................... 6
μ
A or better
Temp. Drift ..................... ± 1
μ
A per
°
C
Isolation ......................... Low voltage (< 48 VAC/DC)
Update Rate .................. 100 mS nominal
Zero ............................... 4.0 mA factory set; user programmable
from 3.8 to 5.0 mA
Full Scale ....................... 20.00 mA factory set; user
programmable from 19.0 to 21.0 mA
Power Supply Rejection ± 1
μ
A per V
Actual update rate determined by sensor type
Short circuit and reverse polarity protected
Error Condition .............. Selectable error condition 3.6 or 22 mA
or None
Test Mode ...................... Increment to desired current
(range 3.8 to 21.00 mA)
Speci
fi
cations
Relay Speci
fi
cations
Dry-Contact Relays
Type ...................................... SPDT
Form ..................................... C
Max. Voltage Rating ............. 30 VDC or 250 VAC
Max. Current Rating ............. 5 A resistive
Solid-State Relays
Type ...................................... SPDT
Form ..................................... C
Max. Voltage Rating ............. 30 VDC or 30 VAC
Max. Current Rating ............. 0.050 A
Hysteresis ............................. Adjustable (absolute in
Engineering Units)
On Delay............................... 9999.9 seconds (max.)
Test Mode ............................. Set On or Off
Maximum Pulse Rate ........... 300 pulses/minute
Proportional Pulse ................ 300 pulses/minute
Volumetric Pulse Width......... 0.1 to 3200 s
PWM Period ......................... 0.1 to 320 s
* Salinity measurements are temperature compensated to
42 PPT. Any salinity value above 42 PPT (42.01 to 100
PPT) will not be compensated and should only be used as a
reference. Although the 9950 can measure up to 100 PPT, a
warning message will be displayed when measured values
are above 42 PPT.
