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CANopen machine bus
Actuator/sensor bus compliant with the
AS-Interface standard
Modbus serial link
1
CANopenbus V4.02
AS-Interface
Modbus
ISO 11898
Devices connected by daisy-chaining or tap
junctions
AS-Interface V2 standard
Non-isolated RS 232
Isolated RS 485
20
mACL
Isolated RS 485
CSMA/CA, multimaster
Master/slave
Master/slave
20
Kbps...1 Mbps depending on distance
167
Kbps
19.2
Kbps max.
Double shielded twisted pair
Two-wire AS-Interface cable
Double shielded twisted pair
127
slaves
31
+ 31 discrete, analog or safety devices
32
devices max.
48
slave addresses
max.
32
devices max.
247
slave addresses
max.
From 20 m (1 Mbps) to 2500 m (20 Kbps)
100
m
200
m with repeaters
15
m in RS 232
1000
m in RS 485
1300
m in 20 mACL or
integrated link
1300
m
1
max.
2
to 8 depending on processor model
CANopen:
-
Implicit PDO exchange
-
Explicit SDO exchange or CAN function block
-
Explicit PDU CAN exchange
Transparency of exchanges with sensor/actuator
devices
Modbus master/slave RTU or ASCII
13
Modbus functions (read/write bits and words,
diagnostics)
All types of Premium processor
(
except
TSX P 57 153M
)
All types of Premium processor
PCMCIA type III card on Premium processor
Standard format module
PCMCIA type III card
inserted on
(2)
Standard format
module
–
See page 9/6
See pages 9/8 to 9/18
TSX CPP 110
TSX SAY 1000
TSX SCP 11
p
(3)
TSX SCY 11601
Integrated link
TSX SCY 21601
5/88
5/93
5/125
(2)
Premium processors and on
TSX SCY 21601
communication module.
(3)
Replace the
p
at the end of the reference with
1
for RS 232,
2
for 20mA CL or
4
for isolated RS 485.
1
2
1
3
4
5
6
7
8
9
10