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The rules should oblige the seller to give the purchaser an operating instrucion of Watlow Electric Controller Series D8, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Watlow Electric Controller Series D8 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Watlow Electric Controller Series D8. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Watlow Electric Controller Series D8 should contain:
- informations concerning technical data of Watlow Electric Controller Series D8
- name of the manufacturer and a year of construction of the Watlow Electric Controller Series D8 item
- rules of operation, control and maintenance of the Watlow Electric Controller Series D8 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Watlow Electric Controller Series D8 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Watlow Electric Controller Series D8, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Watlow Electric service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Watlow Electric Controller Series D8.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Watlow Electric Controller Series D8 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
SERIES D8 The W atlow SERIES D8 is a po werful line of controllers that combines perf or mance and fle xibility with compact design. Compliance with the Open De viceNet™ V endors Association ( OD V A) and Semiconductor Special Interest Group (SIG) standards means this controller is easy to integrate into systems with De viceNet™ networks on Co[...]
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Page 2
D AC and SD A C Modules The optional D A C and SD AC modules are a vailab le f or W atlow SERIES D8 controllers . DAC The D A C (digital to analog conv er ter) conv er ts one or two of the controller’ s distributed z ero crossing (DZC) output signals to analog signals. Each output is field configurab le f or 4-20mA Î (dc), 0-5V Î (dc), or 0-1[...]
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Page 3
Specifications Operator Interface • 32-character v acuum florescent display • 8-ke y ke ypad to access guided menus and prompts, set values and vie w channel displa ys • Built-in conte xt sensitive help Noise Rejection • 120dB at 60Hz T emperature Coefficient • 40ppm/°C Analog Inputs • Thermocouples: user selectab le type, direct con[...]
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Page 4
Ordering Inf ormation SERIES D8 Code Number D 8 0 - 0 0 0 0 - 0 Number of Loops 4 = 4 loop controller 8 = 8 loop controller Digital I/O T erminations 0 = TB18 (Screw terminals on the controller) 1 = SCSI connector , no terminal board or cable 2 = SCSI connector , TB50 ter minal board and 3-foot cab le 3 = SCSI connector , TB50 and 6-foot cab le 4 =[...]