• VEEDER-ROOT

S628 Digital Process Indicators
Blazing bright, large, color-changing display

Optional tare function available
Veeder-Root S-628 Series Process Indicators
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Features

  • 0.71” high digit LED display (27% larger than other 1/8 DIN units)
  • Programmable color change display based on an event
  • Programmable help function and secondary legend display
  • Field configurable alarm outputs
  • Max. and min. value capture
  • Plug in option cards include: 2nd relay, digital input, linear output, RS-485 communication
  • Transmitter power simplifies wiring
  • mA inputs to 50mA, DCV inputs to ±10 Volts and ±100 mV
  • Tare function
  • Standard outputs: 2 NPN transistors & 1 relay (optional 2nd relay)
  • 100 ms sample time with 0.03% accuracy
  • CE approved

Description

The Veeder-Root brand S628 is a member of a family of 1/8 DIN instruments which offer breakthrough display technology as well as easy-to-program user setup. Its large LED display features the ability to change color based on process status such as exceeding an alarm value. Therefore, when monitoring process variables in applications using analog signals, the S628 provides operators with an instant visual alert to changes in the application’s status.

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Process inputs are easily scaled into engineering units by programming two input values and their corresponding display values through the front panel. For nonlinear applications, up to 10 scale points can be entered. A teach function, which automatically inputs the current sensor reading as a scale point, further simplifies setup. The two alarms can be setup for high or low operation, reverse or direct acting, and can be latched. An integrating totalizer can be used to accumulate flow or other values where tracking a total may be useful.

 
  • Literature
  • Specifications

Literature and Technical Information
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Digital Indicating Controllers

S628 Series
++ S628 Series,AC Indicating Controllers| Brochure (48 kB)
++ S628 Series,DC Indicating Controllers| Brochure (48 kB)
++ S628 Series,Temperature Indicating Controllers| Brochure (48 kB)
++ S628 Series, Manual | (146 kB)
Process Input
Display; Red/Green, 7 segment LED
Primary display: 5 digits, 0.71" (18mm) height
Secondary display: single digit, 0.3" (7mm) height
Annunciators: Output 1 & Output 2 status
Front Panel Rating: NEMA 4X/IEC IP65
Process inputs
Process Input: To 50 mA, ±10 Volts DC, ±100 mV
Accuracy: ±0.01% of span
Sample Rate: 100 ms
Resolution: 14 bits
Sensor Break: Detected within 2 seconds
Control inputs
Control Inputs: Sourcing, Edge Sensitive
Logic Low ≤ 2.0 VDC, Logic High ≥ 3.0
Impedance: 4.7 KΩ to + voltage – Sourcing
Function: Programmable
Outputs
Solid State: NPN open collector, 30 VDC max., 100 mA max.
Relay: SPDT, 5A resistive@ 110 VAC
Latency: 75 μ seconds, plus 8 ms for relay pull-in
Linear Outputs:
Linear Outputs: 0-20mA, 4-20mA, 0-10V, 2-10V, 0-5V, 1-5V
Accuracy: ±0.25% (mA at 250Ω, V at 2kΩ); degrades linearly to ±0.5%
Resolution: 8 bits in 250ms (10 bits in 1s typ.)
Update: Approximately 4/s
Load Impedance: mA ranges: 500Ω max.; V ranges: 500Ω min.
Communication
Communication: RS-485; Serial asynchronous, UART to UART;
Open ASCII: One start bit, even parity, seven data bits, one stop bit;
Baud Rate selectable from 9600, 4800, 2400, or 1200
Maximum Zones: 99
Environmental
Supply Voltage: 90-264 VAC, 50/60 Hz, or 20-50 VAC/VDC; 4 Watts
Accessory Power Supply: Voltage: 20-28 VDC, 24 VDC nominal;
Min. Impedance: 910Ω (22 mA @ 20 VDC)
Operating Temp.: 0° to 55° Celsius, 32° to 131° Fahrenheit
Storage Temp. -20° to 80° Celsius, -4° to 176° Fahrenheit
Relative Humidity: 20% to 95% non-condensing
Case Material: GE Lexan 940
Approvals: CE
Terminals: Screw type terminals – combination head
Weight: 0.56 lbs
Mounting: Panel mount (mounting bracket supplied), 45mm x 92mm cutout
Dimensions: 48mm x 96mm, 110mm deep