PROFIBUS MODULE (CB15/CB155)
English
Operating Instructions
24
Meaning of the CB15/CB155 diagnosis:
P880.0
(Counter: error-free message frames received)
Is incremented when a net data frame is received without an error.
P880.1
(P918 mirror)
Station address entered.
P880.2
(No. of identification bytes)
Must be 1 or 2 (or 25 when used with SIMATIC S5/S7), otherwise an F033 is triggered.
P880.3
(No. of PKW bytes)
No. of PKW bytes detected. Must be 0 or 8, otherwise an F033 is triggered.
P880.4
(No. of PZD bytes)
No. of PZD bytes detected. Must be 4, otherwise an F033 is triggered.
P880.5 (PPO
type)
Detected PPO type. Must be 1 or 3, otherwise an F033 is triggered.
P880.6 (Counter:
FREEZE)
Is incremented when a FREEZE frame is received.
P880.7 (Counter:
CLEAR_DATA)
Is incremented when a CLEAR_DATA frame is received.
P880.8
(Counter: SYNC)
Is incremented when a SYNC frame is received.
P880.9 (Group
identifier)
The group identifier of the parameter telegram is entered.
P880.10 (Watchdog)
The watchdog time of the parameter telegram is entered.
P880.11
(Counter: watchdog timeout)
Is incremented when the watchdog time expires.
P880.12
(Address of PROFIBUS master)
Address of the PROFIBUS master which has configured the CB15/CB155.
P880.13 (Slave
status)
Mirror of the software status:
0
Software not yet initialised.
1
CB15/CB155 awaiting PROFIBUS parameterisation.
2
CB15/CB155 awaiting PROFIBUS configuration.
3
CB15/CB155 is in cycle mode.
4
Watchdog timeout.
P880.14 (Baud
rate)
Only used for internal purposes. The detected baud rate is contained in parameter P963.
