Siemens SINUMERIK 810M Operating And Programming Manual page 249

11.90
14
Alarm No.
Alarm Text: "RAM error memory module"
Remarks: Alarm on commissioning
16
Alarm No.
Alarm Text: "Parity error RS232C (V.24)"
Reason: The last character transferred has incorrect parity.
Effect: RS232C (V.24) transfer is interrupted; the last block is not stored
Remedy: – Check setting data 5011/5013/5019/5021
– Test external device
Explanation: The alarm only appears when the setting data "with parity bit" is set.
17
Alarm No.
Alarm Text: "Overflow error RS232C (V.24)"
Reason: Transfer speed is not correct
Effect: – Data transfer is interrupted
– The last block is not stored
Remedy: – Check setting data 5011/5013/5019/5021
– Check transfer speed (Baudrate)
18
Alarm No.
Alarm Text: "Frame error RS232C (V.24)"
Reason: – Number of stop bits is incorrect
– Baudrate is incorrect
– Number of data bits is incorrect
Effect: – Data transfer is interrupted
– The last block is not stored
Remedy – Check setting data 5011/5013/5019/5021
– Test external device
19
Alarm No.
Alarm Text: "I/O device not ready RS232C (V.24)"
Reason: DSR (data set ready) signal has low level
Effect: Data are not read in
Remedy: – Start external device
– Do not use DSR (disconnect cable)
20
Alarm No.
Alarm Text: "PLC alarm memory not formatted"
Remarks: Alarm only on commissioning
© Siemens AG 1990 All Rights Reserved
SINUMERIK 810M, GA3 (BN)
6ZB5 410-0EQ02
4 Monitoring Functions
4.6 Listing of the alarms/alarm description
4-7