ES700 Servo Drive

The Chinese site lists the ES700 as a general servo drive, and names the industries it is widely used in as packaging, metal processing, winding machines, wire harness processing and woodworking machinery. Buyers in those industries can name their machine and the motion it must produce in the inquiry, and have the ES700 checked against that duty before anything is quoted.

What the ES700 servo drive listing covers

Buyers who get the most from the ES700 servo drive tend to describe the duty honestly: how often the machine starts, how long it runs, whether the load is steady or shock-prone, and what happens on the line when the drive trips or is taken out of service. When a process changes pace through the day, the ES700 servo drive gives the operator a way to follow that pace without mechanical changes, and the gain is usually flexibility: one machine covering more recipes, more product sizes or more seasonal demand patterns.

The ES700 servo drive: the questions that decide the fit

Matching a drive to a motor is a pairing exercise, and the ES700 servo drive should be discussed together with the motor it will feed, the cable run between them, the control signals available in the cabinet and the habits of the people who will operate the machine. Spares thinking belongs at selection time, so the buyer of the ES700 servo drive should ask which wear and failure items are realistic to hold on site, which can be sourced locally and which would stop the line while a replacement crosses the world.

The motor that the ES700 servo drive will feed: its rating plate values, copied from the motor itself.
The load behind the ES700 servo drive: steady, variable, shock-prone, or reversing, described in plain words.
The control signals available for the ES700 servo drive in the existing cabinet, and who will wire them.
The site around the ES700 servo drive: heat, dust, humidity, cable distance and access for maintenance.

Start the selection for the ES700 servo drive with the driven machine, not with the drive, and write down what the machine does in one plain paragraph, because that paragraph will expose more bad assumptions than any rating table read in isolation. If the machine will be resold or integrated into a larger line, the ES700 servo drive has to be chosen with the next owner in mind, which argues for clear labelling, standard signals and settings that another engineer can understand without the original installer present.

Working with the ES700 servo drive after delivery

Record the as-left settings of the ES700 servo drive on the day of commissioning and keep that record with the machine, because a parameter list that exists only inside the drive is a hostage to the first serious fault. The engineer who wires the ES700 servo drive will thank the buyer who confirmed signal types early, since a late change between analogue references, pulse commands and network control can ripple through the whole control design of the machine.

Retirement planning sounds premature, yet noting how the ES700 servo drive would be replaced, upgraded or bypassed in an emergency keeps a future breakdown from becoming a design project under time pressure. If the ES700 servo drive runs a process with quality consequences, tie its settings into the quality record, so a later investigation can see which parameter set produced which batch instead of relying on recollection.