FCM_User Reference Manual.pdf.pdf - 第258页

Pr oduc t Ch ang e Ov er User Re f eren ce Manu al 4022 591 960 82 6-66 FCM M ult ifle x 02.02 FI GURE 6-26 Numbe rin g sequen ces as used wi thin th e lead inf orm ati on bl ocks Each l ea d-sid e bloc k can contain th …

100%1 / 306
4022 591 96082 User Reference Manual
02.02 FCM Multiflex 6-65
Product Change Over
▼ LIGHT_LEVEL
▼ SKEW_DETECTION
[NORTH]
[SOUTH]
[NORTH/SOUTH]
[EAST]
[WEST]
[EAST/WEST]
These parameter blocks specify the lead information parameters for the various lead
groups and the vision processing parameter settings.
Lead Information Parameters
Lead information parameters are the parameters that define a lead group. If more
than one lead group exists (package class: SPECIAL), then these parameters are
numbered with an index to indicate which group of the parameter is valid.
The numbering sequence must be from left to right for the NORTH and SOUTH
descriptions and from top to bottom for EAST and WEST descriptions (FIGURE 6-26).
Field type Integer
Range 0 - 100 (%)
Description Defines the light level for REFLECTION in percentage of the maxi-
mum light level.
Field type Boolean
Range ON or OFF (= Default)
Description Checks whether the NORTH-SOUTH leads are perpendicular to the
EAST-WEST leads (lead-bending check).
Product Change Over
User Reference Manual 4022 591 96082
6-66 FCM Multiflex 02.02
FIGURE 6-26 Numbering sequences as used within the lead information blocks
Each lead-side block can contain the following parameters:
• NB_OF_LEAD_GROUPS
• NB_OF_LEADS (NB_OF_LEADS_i if i>1)
• GROUP_OFFSET (GROUP_OFFSET_i if i>1)
• LEAD_WIDTH (LEAD_WIDTH_i if i>1)
• LEAD_PITCH (LEAD_PITCH_i if i>1)
• LEAD_LENGTH (LEAD_LENGTH_i if i>1)
• LEAD_TOLERANCE (LEAD_TOLERANCE_i if i>1)
An SMD info file may contain more than one lead group parameter block. Which
blocks are present depends on the package class, e.g. an SMD info file for a
component of the SOT package class contains a [NORTH] and a [SOUTH] block. Each
parameter block consists of two sets of sub-parameters.
▼
NB_OF_LEAD_GROUPS
▼ NB_OF_LEADS
Field type Integer
Range 0 - 255
Description Defines the number of lead groups (group of leads with identical
pitch) for a component side.
Field type Integer
Range 1 - 255
Description Defines the number of leads in a specific lead group.
North
South
West
East
1
1
1
1
1
1
4022 591 96082 User Reference Manual
02.02 FCM Multiflex 6-67
Product Change Over
▼ GROUP_OFFSET
▼ LEAD_WIDTH
▼ LEAD_PITCH
Field type Real
Range (mm)
Description <group_offset_X> <group_offset_Y>
Defines the offset of a lead group with respect to the centre of the
component.
Field type Real
Range > 0 (mm)
Description Defines the width of the leads in a lead group.
a
a. If leads are involved, the vision
system’s measurement may deviate from the
mechanical lead width; see NOTE under
“LEAD_LENGTH”.
Field type Real
Range > 0 (mm)
Description Defines the distance between the centres of two adjacent leads.