SaRAVJEET SINGH.docx - Quiz 4 Assignment Name_SARAVJEET...

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Page 1 Quiz 4 Assignment Name: ____SARAVJEET SINGH ____________________ ID: _0808323 _____________ Complete all problems by filling in the information and submit in Word Format Figure 1 Input Configuration Figure 2 Ladder Diagram 1 ©S Gupta Feb 5 2017 Rev 1
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Page 2 Note: Review the ladder diagram given in Figure 2. The description above each input tag indicates the input switch type, which is also shown in Figure 1. 1. Assume that all switches are in non-energized state, indicate the voltage at the input terminals of PLC (e.g. I:1/00 which should be read as Local:1:I.Data.0 and will be abbreviated as I.0 ). Input Switch Switch type Current State Input # Terminal Voltage PBO NO Not energized I.0 0 PB1 NC Not energized I.1 24 PB2 NO Not energized I.2 0 2. Assume that all switches are in energized state, indicate the voltage at the input terminals of PLC Input Switch Switch type Current State Input # Terminal Voltage PBO NO Energized I.0 24 PB1 NC Energized I.1 0 PB2 NO Energized I.2 24 3. Assume that none of the switches has been energized. Review the information entered previously and complete the following related to Rung 0: a. How many instructions are in the rung? ___4_______ b. In order for the output to be true, all the instructions to the left of the rung have to be TRUE____ c. List the instructions in order (left to right) in Rung 0 XiC____Xic___ _Xi0____ d. First instruction in Rung 0 i. Identify the input device (TAG) corresponding to this instruction __ PB0 ii. Identify the input number corresponding to this instruction __ I:00 iii. Identify the input bit location for this instruction in memory map _ Local:1:I:Data.0 iv. Is it looking for 0 or 1 in input bit location? 0____ v. What is present in the bit location in input memory map o or 1?0 ____ vi. So, is this instruction TRUE or FALSE? TRUE_____ e. Second instruction in Rung 0 i. Identify the input device corresponding to this instruction _PB1________ ©S Gupta Feb 5 2017 Rev 1
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Page 3 ii. Identify the input number corresponding to this instruction ___I:1____ iii. Identify the input bit location for this instruction in memory map ____LOCAL.I:1DATA.1___________ iv. Is it looking for 0 or 1 in input bit location? _1___ v. What is present in the bit location in input memory map o or 1? 1____ vi. So, is this instruction TRUE or FALSE? _TRUE____ f. Third instruction in Rung 0 i. Identify the input device corresponding to this instruction _PB2________ ii. Identify the input number corresponding to this instruction ___i:2____ iii. Identify the input bit location for this instruction in memory map Local:i:2.Data.2_______________
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