Interfaces
- 22 -
8.3
CAN BASIC ELGO (Option CN0)
Interface / Protocol: When ordering option “CN0”, the EMAX / EMAL encoder is equipped with a CAN interface
according to the ELGO CAN standard protocol. The following identifiers are given:
Table 3: Identifier Option CN0
80 (16) + EMAX address
Identifier to request the absolute position
10 (16) + position of rotary code switch
Identifier contains absolute position of the device
(4 byte telegram)
EMAX / EMAL (resolution 0.01 mm)
4 byte acknowledgement telegram:
Status
X = 0
→
no errors
X = 1
→
magnetic tape error
Figure 12: Bit rate / address (option CN0)
The settings of bit rate and address (range from 0
(16)
to F
(16)
) be done by using the rotary coding switches, which
are located behind a protection cap on the top of the sensor housing.
Table 4: Bit rate and address settings (option CN0)
Position
Bit rate (left)
Position
Address (right)
0
1 MBit/s
0
0
1
500 kBit/s
1
1
2
250 kBit/s
2
2
3
125 kBit/s
3
3
4
100 kBit/s
4
4
5
-
5
5
6
-
6
6
7
-
7
7
8
-
8
8
9
-
9
9
A
-
A
A
B
-
B
B
C
-
C
C
D
-
D
D
E
-
E
E
F
-
F
F
REMARK!
No coding switches are accessible on the sensor housing with M9 round
connector. Therefore, please specify the desired configuration when ordering!
Bit rate Address
0
4
8
C
0
4
8
C
MSB LSB X
Position Status
PC/SPS/PLC EMAX/EMAL
