coval LEMCOM Series - 2002 H - Control (ASC) Information

LEMCOM CANopen® – User manual Detailed description of CANopen objects
COVAL – LMCOP-EN-A-1155UM0068 27/49
12.4 2002h – “Control (ASC)” information
Object 2002h is used to return the state of the “ASC control” signal for each module on the island.
For any given module, this signal is equal to 1 when the vacuum level exceeds threshold L2
according to the following principle:
Figure 10 – How the ASC control signal of a LEMCOM module works
Client (master)  server (LEMCOM)
CAN-ID
(600h+ID)
620h
Command
40h
Object L
02h
Object H
20h
Subindex
00h
Byte 0
00h
Byte 1
00h
Byte 2
00h
Byte 3
00h
The reply is as follows:
Server (LEMCOM)  Client (master)
CAN-ID
(580h+ID)
5A0h
Command
4Bh
Object L
02h
Object H
20h
Subindex
00h
Byte 0
00h
Byte 1
00h
Byte 2
00h
Byte 3
00h
The “ASC control” signal states of all the modules are indicated by Byte 1 – Byte 0:
Byte 0
Byte 1
ASC_CTRL signal state
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Module address
7
6
5
4
3
2
1
0
15
14
13
12
11
10
9
8
ASC_CTRL = 1
ASC_CTRL = 0
ASC_CTRL signal state
Vacuum Level (%)