LDR 300T EXAM PREPARATION TEST
BANK WITH CORRECT ANSWERS
●● What is the purpose of a sensor?
Answer: Detect the presence and absense of an object. Send an electrical
signal to the PLC
●● Reciver seeing light and output is on
Answer: Light on
●● Reciever is seeing light and output is off
Answer: Dark on
●● Receiver is not seeing light and output is on
Answer: Dark on
●● Receiver is not seeing light and output is off
Answer: Light on
●● How much does the PR-G cost?
Answer: 200-300
,●● Features of the PR-G sensor?
Answer: Stainless steal metal housing
High IP ratings
High Power LED
Highly Visible indicator light
●● PZ-G Cost?
Answer: 125-225
●● What is the PZ-G sensor?
Answer: General purpose plastic photo eye that is cost effective and
simple to set up
●● PZ-G Features
Answer: Plastic housing
High IP ratings
High Power LED
●● P.R.O function of the PZ-G
Answer: Detects Shiny objects
●● D.E.X. Function of the PZ-G
, Answer: Detects transparent objects
●● What is the cost of PR-M/F?
Answer: 200
●● What is the Pr-M/F?
Answer: Miniature photoeye that requires no calibration. Only has
diffuse and thrubeam style sensors
●● Features of the PR-M/F?
Answer: Smallest photoelectric sensor, stainless steel housing, highly
visible indicator light, no calibration, resin filled
●● Two point calibration
Answer: Press set with no object there , then press set again with object
there
●● How much does the PX cost?
Answer: 625
●● What is the PX?
Answer: An extremely durable separate head and amplifier system for
harsh environments
BANK WITH CORRECT ANSWERS
●● What is the purpose of a sensor?
Answer: Detect the presence and absense of an object. Send an electrical
signal to the PLC
●● Reciver seeing light and output is on
Answer: Light on
●● Reciever is seeing light and output is off
Answer: Dark on
●● Receiver is not seeing light and output is on
Answer: Dark on
●● Receiver is not seeing light and output is off
Answer: Light on
●● How much does the PR-G cost?
Answer: 200-300
,●● Features of the PR-G sensor?
Answer: Stainless steal metal housing
High IP ratings
High Power LED
Highly Visible indicator light
●● PZ-G Cost?
Answer: 125-225
●● What is the PZ-G sensor?
Answer: General purpose plastic photo eye that is cost effective and
simple to set up
●● PZ-G Features
Answer: Plastic housing
High IP ratings
High Power LED
●● P.R.O function of the PZ-G
Answer: Detects Shiny objects
●● D.E.X. Function of the PZ-G
, Answer: Detects transparent objects
●● What is the cost of PR-M/F?
Answer: 200
●● What is the Pr-M/F?
Answer: Miniature photoeye that requires no calibration. Only has
diffuse and thrubeam style sensors
●● Features of the PR-M/F?
Answer: Smallest photoelectric sensor, stainless steel housing, highly
visible indicator light, no calibration, resin filled
●● Two point calibration
Answer: Press set with no object there , then press set again with object
there
●● How much does the PX cost?
Answer: 625
●● What is the PX?
Answer: An extremely durable separate head and amplifier system for
harsh environments