Unitronics IO-LC1 Скачать руководство пользователя страница 6 | Manualshive

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IO-LC1, IO-LC3

I / O E x p a n s i o n M o d u l e s

4/04

6

Unitronics Industrial Automation

Loadcell Inputs

Use 6 or 4 wire shielded cable (6 wire is recommended).

The cable shield should be connected ONLY to the Loadcell chassis. The shield at the other end of the
cable should be left unconnected.

Refer to the figures below for wiring guidelines.

6 wire Loadcell wiring

4 wire Loadcell wiring

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Содержание IO-LC1

Страница 1: ...ms shown herein are intended to aid understanding and do not guarantee operation Unitronics accepts no responsibility for actual use of this product based on these examples Please dispose of this product in accordance with local and national standards and regulations Only qualified service personnel should open this device or carry out repairs User safety and equipment protection guidelines This d...

Страница 2: ...onductive dust corrosive or flammable gas moisture or rain excessive heat regular impact shocks or excessive vibration Leave a minimum of 10mm space for ventilation between the top and bottom edges of the device and the enclosure walls Do not place in water or let water leak onto the unit Do not allow debris to fall inside the unit during installation Mounting the Module DIN rail mounting Snap the...

Страница 3: ...s Industrial Automation 3 Screw Mounting The figure below is not drawn to scale It may be used as a guide for screw mounting the module Mounting screw type either M3 or NC6 32 4mm 5 8mm 0 228 85mm 3 346 80mm 3 15 68 4mm 2 693 93mm 3 66 4mm x2 0 16 0 16 ...

Страница 4: ...0 220VAC to the device s COM pins Double check all wiring before turning on the power supply Wiring Procedures Use crimp terminals for wiring use 26 12 AWG wire 0 13 mm 2 3 31 mm 2 for all wiring purposes 1 Strip the wire to a length of 7 0 5mm 0 250 0 300 inches 2 Unscrew the terminal to its widest position before inserting a wire 3 Insert the wire completely into the terminal to ensure that a pr...

Страница 5: ...ower supply specifications connect the module to a regulated power supply Earthing the module To maximize system performance avoid electromagnetic interference by earthing the module 1 Connect one end of a wire 14 AWG to the chassis signal connect the other end to the cabinet chassis This assumes that the cabinet is properly earthed If this is not the case do not earth the module Caution The wire ...

Страница 6: ...nputs Use 6 or 4 wire shielded cable 6 wire is recommended The cable shield should be connected ONLY to the Loadcell chassis The shield at the other end of the cable should be left unconnected Refer to the figures below for wiring guidelines 6 wire Loadcell wiring 4 wire Loadcell wiring ...

Страница 7: ...oadcell to ext pwr supply No Loadcell to bus Yes Loadcell to digital input No Loadcell to digital outputs No Input voltage ranges Signal SG SG Differential Gain Setting S W selectable Nominal Span 0 20mV to 20mV 1 80mV to 80mV Offset compensation S W selectable can shift span by approx 77 5mV to 77 5mV 2 5mV steps Common Mode 1 5Vmin to 3 5Vmax relative to the 0V terminal voltage Sense SN SN Diffe...

Страница 8: ...The Net and Gross values may also indicate connection problems See Note 3 for details Rounding The Net Gross Net Min and Net Max values may be rounded by 1 2 5 10 20 50 or 100 Effective resolution See Effective Resolution page 10 Status indicators OUT OF RANGE Red LEDs Lit when the corresponding Loadcell is not connected to the input or when the input analog value exceeds the permissible range See...

Страница 9: ...umption does not provide for output requirements The additional current requirement of the outputs must be added 2 The minimum settling times and settling time resolutions are 12 5ms for one active channel 675ms for two active channels and 1 012 5ms for three active channels 3 The following connection problems will cause the corresponding OUT OF RANGE LED to light up Disconnection of one of the si...

Страница 10: ... the input span that is used usually 10mV for 2mV V Loadcells or 15mV for 3mV V Loadcells the amount of uncompensated differential offset and the applied input noise The number of Loadcell inputs used per expansion module affects the sampling rate for each of them resulting in lower filter depth and effective resolution The filter settling time can be programmed separately for each Loadcell input ...

Страница 11: ...ule identification number Adapter The formula below is used to assign addresses for I O modules used in conjunction with the OPLC X is the number representing a specific module s location 0 7 Y is the number of the input or output on that specific module 0 15 The number that represents the I O s location is equal to 32 x 16 y Examples Input 3 located on expansion module 2 in the system will be add...

Страница 12: ...ng in this document including but not limited to 0implied warranties of merchantability and or fitness for a particular use or purpose Unitronics assumes no responsibility for the results direct and or indirect of any misuse of the information appearing in this document nor for any use of the Unitronics products referred to herein in any manner deviating from the recommendations made in this docum...

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