Table of Contents - TG Drives

EXTENDED REGISTER GROUPS
MsgObjLAN1, Helper for LAN1
MSGOBJLAN1, HELPER FOR LAN1
Group Groupe
No.
MsgObjLAN1
Description
29 CAN message descriptor temporary storage.
A message object descriptor must be initialized
and then activated with the SetObjLAN1
instruction.
It is the responsibility of the user to fill in the
MsgObjLAN1 group prior
the use of the
instruction SetObjLAN1.
The system fills in the MsgObjLAN1 group
when
the GetObjLAN1 instruction
is used.
Example:
MsgObjLAN1.Id = 2000
; ID number for this message object
MsgObjLAN1.Type = 1 ; Receive type
MsgObjLAN1.Frame = 0 ; Standard frame
MsgObjLAN1.DataLen = 2 ; Two bytes in this
message
MsgObjLAN1.Vector = @Isr2000
; Interrupt service
routine. SetObjLAN1 3
object
; Activate message
GROUP MEMBERS (GROUP 29)
Group.Member Member
No.
Range Ability Default
MsgObjLAN1.ID 0 11-bit and 29-bit ID RW
The message object ID.
If the MsgObjLAN1.Frame type is ’Standard’ then the id is
an 11-bit number.
If MsgObjLAN1.Frame type
is ’Extended’ the id is a 29-bit
number.
Note1. If used on an existing CAN net the user must avoid
the use of any reserved ID used in other
protocols.
Note2. For ’standard’ frames, ids above 2030 are reserved
and should not be used.
MsgObjLAN1.Type 1 0..3 RW
The object type.
0. Invalidate, this can be used to deactivate an
existing message object.
1. Receive
2. Transmit, with automatic response to a remote frame.
3. Transmit, respond to a remote frame, but the response
should be written in PL code, this must be used
together with an interrupt.
User's Manual 5.1 Inmotion Technologies AB
Doc. No.9032 0027 01 (B), Rev. 11.07.2001
149