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Model 354 Pump Controller
Brand: Delta Controls CorporationPump Controller, Four Relay, 4-20mA.
The Delta Controls Model 354 was designed to be operated as an alarm unit and/or adjustable differential controller.
The 354 has 4 relays. Each relay has an individual 0-100% “On” and 0-100% “Off” setpoint. It accept a 4-20 mADC input signal which is proportional to some process variable (usually level).
The 354 is microprocessor based and checks its input signal loop for integrity. The relays may be set up for “Direct” or “Reverse” “Fail-safe” action.
The 354 is equipped with a built-in loop power supply, and can also accept a remotely powered 4-20 mADC signal.
The input signal wiring may be equipped with an electrical barrier for intrinsic safety. The transmitter must be intrinsically safe for the loop and the 354 input to be intrinsically safe. The 354 must be located in a “Safe” area; the input signal wires may extend into the ignition hazard area.
The 354 may be operated in the pump controller mode.
Features, such as lead-lag pump rotation, time delay starting, and high/low alarms may be programmed in the field.
Up to 4 pumps can be controlled and/or 4 alarm points can be actuated from a single module.
Features- Microprocessor based
- Available for mounting in Delta Controls housings or in enclosures by others
- Housings may be surface or pipe stand mounted
- Optional direct reading LCD display
- Accepts 4-20 mADC signal from any type transmitter; 2, 3 or 4-Wire
- Supplies DC power for 2-Wire loops and for 3 or 4-Wire transmitters
- Field selectable fail safe action
- Optional pump control functions
- Lead/lag control
- Relay operate time delays
- Four alarm points can be selected
- Built-in loop power supply
- Selectable starting time delay
- Self-checking diagnostic routine
- Will not lose memory
- Continuous setpoint indication
- Optional explosion proof housing
Specifications
Accuracy
- 0.1 % of Full Scale
General Type
- Microprocessor-based
Input Range
- 4-20 mADC
Multiple Pump Control
- Selectable Lead/lag, Rotation of up to Four Pumps
Readout Display
- Optional, 3-1/2-Digit LCD, May be Field Calibrated to be Direct Reading in Engineering Units.
Relays
- Four 10 Amp @ 250 Vac SPDT
Signal Loop with Optional barrier
- Intrinsically Safe, Classes 1&2, Divisions 1 & 2, Grade A, B, C, D, E, F, G. Refer to Application Note #550-998 for Details.
Supply Power
- 120 or 240 Vac, 50/60 Hz, or 24 Vdc, ± 15 % Variation
Switching Action
- Alarm Action is Basic, Adjustable Differential for ON/OFF Control May be Selected
Temperature Range
- -20° to +170° F
Transmitter Loop Power Supply
- 24 Vdc