ORDERING INFORMATION
STATION CONTROLLER SC2000
• Simplex, Duplex, Triplex, or Quadraplex Liquid Level Control
• Pump Down (Empty a Tank) or Pump Up (Fill a Tank)
• Fixed or Variable Speed Control
• Where Connection to a SCADA System is Required
SPECIFICATIONS APPLICATIONS
STANDARD FEATURES
• All Setup Parameters Values may be viewed or changed from the
front of the unit
• Level Input Source - Menu Selectable:
- Analog Level Input [4-20mA from Pressure Transducer]
- Level Probe [Conductance Probe with 10 Electrodes]
• Regulated +20VDC power for Analog Level Input
• RS-232 Serial Port with Modbus RTU Protocol
• High and Low Level Alarm Relays and Alarm Indication
• Adjustable Lag Pump(s) Delay
• Alternation Schemes - Menu Selectable:
- Standard Alternation
- Pump 1 Always Lead - Stays On with other Pumps
- Pump 1 Always Lead - Turns Off with other Pumps On
- Split Alternation - Pumps 1&2, and Pumps 3&4
- Fixed Sequence - Pump 1 Always Lead
- Stepped On/Off - Only One Pump Runs at a Time
Alternator Logic Skips Disabled Pumps
First On - First Off or First On - Last Off Alternation
• Level Simulation (Automatically ends after 1 minute)
• Security Code Protected Parameter Setup
• 18 Discrete Inputs programmable for the following functions:
- Pump disable with HOA in OFF, or pump fault
- External Lead Pump Selector Switch
- All pump disable - for connection to Phase Monitor
- Limit number of pumps called while on emergency power
- Alternation by External Time Clock
- Freeze wet well level during a bubbler tube purge
- Call pump last
- Float switch backup
- Low Level Pump Cutoff
- Start Flush Cycle
- A variety of SCADA functions
Status of Discrete Inputs may be viewed from front of Controller
• Backup Control, and High & Low Alarms using a Level Probe
• Output Relays may be programmed for control through SCADA
• Automatic Flush Cycle to reduce sludge build up
• Flow Calculator that provides the following Flow Data:
- Latest Inflow Rate
- Average Daily Inflow Total (Average of Last 7 Days)
- Pump Outflow Rate (Latest for Each Pump)
Part Number: SC2000 - X X X X
1
• Up to four Isolated 4-20mA Analog Outputs that may be used for
VFD speed control or for sending out a copy of the Level Input
• Up to four Isolated 4-20mA Auxiliary Analog Inputs that may be
used to collect analog data for SCADA
• 4-20mA Analog Level Input may be ordered as an Isolated Input
• Ethernet Port with the following protocols:
Modbus TCP or Modbus RTU
OPTIONAL FEATURES
• Input Power: 120 VAC ±10%, 13 VA max
• External Dimensions: 6.9” x 8.5” x 4.9”
• Agency Approvals: UL 508, CAN/CSA
• Ambient Operating Temperature:
Without Analog Outputs:
-20°C to +65°C (-4°F to +149°F)
With Analog Outputs:
-20°C to +50°C (-4°F to +122°F)
• Level Display: 3 Digit, 7 Segment LED
• Level Display Range: 0 - 999 feet
(Decimal Point Position is Selectable)
• Indicators: LED
• Color: White with Blue Lettering
• Relays: 6A @ 250VAC
• Analog Level Input: 4-20mA, 250Ω Load,
Transient Protected
• Level Probe Inputs: ±8V, 60Hz Square Wave
±0.8mA max, Transient Protected
• Discrete Inputs: 24VDC, Transient Protected
• Power for Discrete Inputs: Unregulated
+24VDC, Transient Protected
• Power for Analog Level Input: Regulated
+20VDC ±1V, Transient Protected
• Analog Outputs: Isolated 4-20mA
Maximum Load Resistance: 600Ω
• Auxiliary Analog Inputs: Isolated 4-20mA,
250Ω Load, Transient Protected
Number of Optional
Analog Outputs:
0 = Zero Analog Outputs
1 = One Analog Output
2 = Two Analog Outputs
3 = Three Analog Outputs
4 = Four Analog Outputs
Number of Optional
Auxiliary Analog Inputs:
0 = Zero Auxiliary Analog Inputs
1 = One Auxiliary Analog Input
2 = Two Auxiliary Analog Inputs
3 = Three Auxiliary Analog Inputs
4 = Four Auxiliary Analog Inputs
Blank = Non-Isolated Analog Level Input
S = Isolated Analog Level Input
Blank = RS232 Port
E = RS232 Port & Ethernet Port
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