17,18,23
20,21
24,25
26,27
100
This type of relay maintains it contacts in the activated state without being continuously energized.
What is a latching relay?
100
This is a continuous varying signal from a minimum to a maximum value.
What is an analog signal?
100
Programmable Logic Controller
What is the abbreviation PLC?
100
A network which consists of intelligent machines connected together in a building or group of buildings.
What is an enterprise network.
200
This type of relay monitors the 3 phase power and can detect a number of failure conditions.
What is a phase sequence or phase failure relay?
200
This type of signal only has 2 states "on" and "off".
What is a discrete signal?
200
In a PLC this module provides the link between the PLC and the external devices such as motor starters and lights.
What is the output module?
200
used to segment LANs and filter traffic for security purposes and policy management. They are also used to connect remote locations.
What is a router?
300
In a VFD this section converst the incoming AC voltage into DC voltage.
What is the converter or rectifier?
300
A common analog signal type is current and is usually measured in these units
What is a 4-20mA current signal?
300
The number of degrees that the motor moves per step?
What is step angle?
300
a topology with all network devices connected to a network cable which is connected in a loop.
What is ring topology?
400
120 x f/# of poles
What is the formula for speed of an AC motor?
400
Analog devices connected using a voltage type analog signal are connected to each other in this way.
What is a parallel wiring connection?
400
This type of motor provides rapid positioning and requires a feedback loop
What is a servo motor?
400
electronic assemblies that connect individual devices to the network, matching the device type to the cable type.
What is a network interface card?
500
Motor control systems which control motor speed without feedback data for torque or speed.
What is open loop?
500
This is used to convert a 1-5VDC signal to a 4-20mA signal, when it is connected across the input to the device.
What is a 250 ohm resistor?
500
1. unipolar motors 2. bipolar motors 3. bifilar motors 4. multiphase motors
What are four type of stepper motors?
500
this affects the type of NICs used, the speed of the network, range between machines, the capability of the network to meet future needs.
What is the physical media?
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