Liquid Controls SP3850 - Manual (Page 6)

SP3850 Flow Computer
2
1.3 Specifications:
Specifications:
Environmental
Indoor Use
Altitude up to 2000m
Operating Temperature: 0
°C to +50°C
(-20
°C to 55°C optional)
Storage Temperature: -40
°C to +85 C
Maximum Relative Humidity : 80% for temperatures
up to 31
°C decreasing linearly to 50% RH at
40
°C
Mains supply voltage fluctuations not to exceed
±10% of the nominal voltage
Transient overvoltage according to INSTALLATION
CATEGORY II (see UL 3101-1 Annex J)
POLLUTION DEGREE 2 in accordance with
IEC 664 (see 3.7.3)
Materials: UL, CSA, VDE approved
Listing: CE Light Industrial,
UL File #: E192404
Display
Type: 2 lines of 20 characters, VFD
Character Size: 0.3" nominal
User selectable label descriptors and units of
measure
Keypad
Keypad Type: Membrane Keypad
Keypad Rating: Sealed to Nema 4
Number of keys: 16
Enclosure
Size: See Dimensions
Depth behind panel: 6.5" including mating connector
Type: DIN
Materials: Plastic, UL94V-0, Flame retardant
Bezel: Textured per matt finish
Equipment Labels: Model, safety, and user wiring
Power Input
The factory equipped power option is internally
fused. An internal line to line filter capacitor is
provided for added transient suppression.
Order Option AC110: 110VAC: 85 to 127 Vrms,
50/60 Hz
Order Option AC220: 220VAC: 170 to 276 Vrms,
50/60 Hz
Order Option DC12: 12VDC: 10.5 to 14 VDC
Order Option DC24: 24VDC: 18 to 24 VDC
Flow Inputs:
Pulse Inputs:
Number of Flow Inputs: one
Configurations supported: single input or
quadrature (menu selectable)
Input Impedance: 10 K
Ω nominal
Pullup Resistance: 10 K
Ω to 5 VDC (menu
selectable)
Pull Down Resistance: 10 K
Ω to common
Trigger Level: (menu selectable)
High Level Input
Logic On:
3 to 30 VDC
Logic Off: 0 to 1 VDC
Low Level Input (mag pickup)
Selectable sensitivity: 10 mV & 100 mV
Minimum Count Speed: Selectable: 1 - 99 secs
Maximum Count Speed: Selectable: 40, 3k, 20kHz
Overvoltage Protection: 50 VDC
Fast Transient: Protected to 500 VDC
(Capacitive Clamp)
Auxilliary/Compensation Inputs
The compensation inputs are menu selectable for
temperature, pressure, density or not used.
Operation: Ratiometric
Accuracy: 0.01% FS
Thermal Drift: Less than 100 ppm/C
Basic Measurement Resolution: 16 bit
Update Rate: 1 update/sec minimum
Automatic Fault detection:
Signal Over-range/under-range
Current Loop Broken
RTD short
RTD open
Fault mode to user defined default settings
Transient Protection: 500 V (Capacitive Clamp)
Reverse Polarity: No ill effects
Over-Voltage Limit (Voltage Input): 50 VDC
Available Input Ranges
Voltage: 0-10 VDC, 0-5 VDC, 1-5 VDC
Current: 4-20 mA, 0-20 mA
Resistance: 100 Ohms DIN RTD or
Proprietary Thermistor - YSI55016
100 Ohm DIN RTD (DIN 42-760, BS 1904):
Three Wire Lead Compensation
Internal RTD linearization learns ice point
resistance
1 mA Excitation current with reverse polarity
protection
Temperature Resolution: 0.01 C
Control Inputs
Switch Inputs are menu selectable for Start, Stop,
Reset, Lock, Inhibit, Alarm Acknowledge, Print or
Not Used.
Control Input Specifications
Input Scan Rate: 10 scans per second
Logic 1: 4 - 30 VDC
Logic 0: 0 - 0.8 VDC
Transient Suppression: 500 V fast transient
(Capacitive Clamp)
Input Impedance: 100 K
Ω
Control Activation: Positive Edge or Pos. Level
based on product definition
Excitation Voltage
110/220 VAC Powered Units
Menu Selectable: 5, 12 or 24 VDC @ 100mA
24 VDC Powered Units
Menu Selectable: 5 or 12 VDC @ 100mA
12 VDC Powered Units
5 VDC @ 100mA
Fuse
Internal self resetting fuse supplied
Relay Outputs
The relay outputs are menu assignable to
(Individually for each relay) Low Rate Alarm, Hi
Rate Alarm, Prewarn Alarm, Preset Alarm,
Temperature, Pressure, Density, Pulse Output
(pulse options) or General purpose warning
(security).
Number of relays: 2 (4 optional)
Contact Style: Form C contacts
Contact Ratings:
250 VAC @ 5 amps
30 VDC @ 5 amps
Fast Transient Threshold: 1000 V