1756-L71S A-B Circuit Board
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IN STOCK1756-L71S A-B Circuit Board
ATTENTION: Remove field-side power before removing or inserting the module. This module is designed so you can remove and insert it under backplane power. When you remove or insert a module with field-side power applied, an electrical arc may occur. An electrical arc can cause personal injury or property damage by: • sending an erroneous signal to your system’s field devices causing unintended machine motion • causing an explosion in a hazardous environment Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector. Worn contacts may create electrical resistance.
Wiring to the analog modules is made through the terminal base unit on which the module mounts. Refer to the following table for recommended terminal base units that you can use for each module.
In this chapter, we tell you about: • analog data format • block transfer programming • sample programs for the PLC-3 and PLC-5 processors
Your module communicates with the processor through bidirectional block transfers. This is the sequential operation of both read and write block transfer instructions.
A configuration block transfer write (BTW) is initiated when the analog module is first powered up, and subsequently only when the programmer wants to enable or disable features of the module. The configuration BTW sets the bits which enable the programmable features of the module, such as scaling, alarms, ranges, etc. Block transfer reads are performed to retrieve information from the module.
Block transfer read (BTR) programming moves status and data from the module to the processor’s data table. The processor user program initiates the request to transfer data from the module to the processor. The transferred words contain module status, channel status and input data from the module
The structure and details of the product：
Please make an inquiry for more models
AB 1756-LSP
AB 1756-LSP/B
AB 1756-M02AE
AB 1756-M02AS
AB 1756-M03SE
AB 1756-M08SE
AB 1756-M1
AB 1756-M16S
AB 1756-M16SE
AB 1756-N2
AB 1756-OA16
AB 1756-OA16I
AB 1756-OB16D
AB 1756-OB16E
AB 1756-OB16I
AB 1756-OB16I/A
AB 1756-OB16IEF
AB 1756-OB16IS
AB 1756-OB32
AB 1756-OB32/A
AB 1756-OB8
AB 1756-OF4
AB 1756-OF41794-ADN
AB 1756-OF6CI
AB 1756-OF6VI
AB 1756-OF8
AB 1756-OF8/A
AB 1756-OF81
AB 1756-OG16
AB 1756-OH8I
AB 1756-ON8
AB 1756-OV16E
AB 1756-OV32E
AB 1756-OW16I
AB 1756-OW16I/A
AB 1756-OX8I
AB 1756-PA72
AB 1756-PA72/B
AB 1756-PA72/C
AB 1756-PA75
AB 1756-PA75/A
AB 1756-PA75/B
AB 1756-PA75R
AB 1756-PAR2
AB 1756-PB72
AB 1756-PB75
AB 1756-PB75R
AB 1756-PBR2
AB 1756-PC75
AB 1756-PLS
AB 1756-PSCA2/A
AB 1756-RM
AB 1756-RM2
AB 1756-RM2/A
AB 1756SC-CTR8
AB 1756-SRM/B
AB 1756-TBCH
AB 1756-TBNH
AB 1756-TBS6H
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