01/2007
2.13 Diagnostic repeater for PROFIBUS DP
2-93
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
2.13 Diagnostic repeater for PROFIBUS DP
2.13.1 Module
Fig. 2-25 View: Diagnostic repeater for PROFIBUS DP
Designation
Order No. (MLFB)
Diagnostic repeater for PROFIBUS DP 6ES7 972–0AB01–0XA0
The diagnostics repeater with online line diagnostics for PROFIBUS DP offers
the following main features:
S Module–specific features:
– PROFIBUS DP standard slave (DP–V1)
– Data transmission speed: 9.6 kBaud to 12 MBaud
– Maximum depth of cascading: 9
– Redundant operation: no
S Automatic detection of fault type and fault location
S Distance given in line diagonistics:
– Resolution: 0.5 m
– Accuracy: 1 m
S Repeater throughput time:
– Baud rates 1.5 Mbaud: 2.5 T
BIT
+ 153 ns;
(12MBaud: T
BIT
= 83.3 ns)
– Jitter: 1T = 1/48 MHz = 20.83 ns
S Monitoring function of isosynchronous PROFIBUS
– DP bus cycle (T
DP
): min. 1 ms, max. 32 ms
– Tolerance range T
DP
monitoring: 2 ms
– Tolerance range T
DX
monitoring: 10 ms
S Supply voltage: Rated voltage 24 V DC (20.4 to 28.8 V)
Order number
Features
2 Hardware Descri
tions