Veeder-Root Series C628

Technical Manual
702138-0004
Series C628
Rate Meter
with Total
(C628-5XXX)
Introduction
Your Veeder-Root brand C628 Rate Meter with Total is one model in a family of 1/8 DIN
units which offers breakthrough display technology as well as easy-to-program single-line
parameters. Designed to provide instant visual feedback regarding an application’s key
input value, the C628 not only has a 0.71” high LED display (27% larger than other 1/8
DIN units), but also the ability to change display color based on process status
(programmable parameter in Operation Mode). Easy programming is made possible via a
help function and a secondary legend display.
This manual will guide you through the installation and wiring of your C628 unit with
information on proper panel mounting and rear terminal layout and wiring instructions.
In addition, the instrument’s operation and programming modes are thoroughly
explained. The Operation Mode provides day to day operation and allows editing of
preset values. The Program Mode enables the configuration of various parameters prior
to initial operation. These parameters include those for basic configuration as well as
other settable features which will enhance the functionality and usability of the device.
This manual also provides
information on the C628 Rate
Meter with Total’s alarms;
transistor, relay and linear
outputs; product
specifications; and ordering
and warranty procedures.
Index
Installation
Panel Mounting page 2
Wiring page 3
Operation
Front Panel page 4
Operation Mode page 5
Programming
Program Mode page 6-10
Appendix A
Specifications page 11
General
Ordering Information page 12
Warranty page 12
Features
• AWESOME 0.71” high digit LED display
• Programmable color change display based on
an event
• Programmable help function and secondary
legend display
• Display configurable for update time, min.
number of pulses, and forced zero time
• Optional linear output relative to rate
• Choice of NPN, PNP, or magnetic primary
input
• Filter speed settable for 20, 200, or 10,000 Hz
• Standard outputs: two NPN transistors & one
relay (optional 2nd relay)
• Front panel reset enable and alarm lockout
• Optional RS-485 plug in card
• CE approved
Veeder-Root brand
www.TheTimerAndCounterCompany.com

Veeder-Root Series C628 Specifications

General

Brand	Veeder-Root
Model	Series C628
Category	Measuring Instruments
Language	English

Summary

Introduction to Veeder-Root C628 Rate Meter

Installation Guide

Panel Mounting Procedure

Details how to mount the Veeder-Root C628 unit in a control panel using its mounting grooves and bracket arm.

Wiring and Terminal Connections

Explains rear terminal connections for power supply, RS-485, relays, inputs, auxiliary power, linear output, and transistor outputs.

Operating the Veeder-Root C628

Front Panel Overview

Details the front panel layout, including the primary display, secondary display, and output indicators (OP1, OP2).

Operation Mode Functions

Explains how to navigate and change parameter values in Operation Mode, including scrolling and editing digits.

Programming the C628 Rate Meter

Program Mode Configuration

Guides on entering Program Mode and basic operation, including how to scroll through parameters and edit values.

Specifications and Approvals

General Information and Warranty