Siemens SIMATIC S7-200 System Manual page 338

S7-200 Programmable Controller System Manual
Table 10-11 SM Locations for the EM 241 Modem Module
SM Address
SMB200 to
SMB215
SMB216 to
SMB219
SMW220
SMB222
SMB223
SMW224
SMB226
SMB227
SMB228
SMB229 to
SMB244
SMB245
SMD246
324
Description
Module name (16 ASCII characters) SMB200 is the first character.
"EM241 Modem"
S/W revision number (4 ASCII characters) SMB216 is the first character.
Error code
0000 - - No error
0001 - - No user power
0002 - - Modem failure
0003 - - No configuration block ID
0004 - - Configuration block out of range
0005 - - Configuration error
0006 - - Country code selection error
0007 - - Phone number too large
0008 - - Message too large
0009 to 00FF - - Reserved
01xx - - Error in callback number xx
02xx - - Error in pager number xx
03xx - - Error in message number xx
0400 to FFFF - - Reserved
Module status - - reflects the LED status
MSB
7 6 5 4
F G H T
F - - EM_FAULT 0 - - no fault
G - - EM_GOOD 0 - - not good
H - - OFF_HOOK 0 - - on hook,
T - - NO DIALTONE 0 - - dial tone
R - - RING 0 - - not ringing
C - - CONNECT 0 - - not connected
Country code as set by switches (decimal value)
Baud rate at which the connection was established (unsigned decimal value).
Result of the user command
MSB
7 6 5
D 0
D - - Done bit;
0 - - operation in progress
1 - - operation complete
ERROR : Error Code Description, see Table 10-8
Telephone number selector - - This byte specifies which messaging telephone number to use
when sending a message. Valid values are 1 through 250.
Message selector - - This byte specifies which message to send. Valid values are 1 through
250.
Reserved
Offset to the first Q byte used as the command interface to this module. The offset is
supplied by the CPU for the convenience of the user and is not needed by the module.
Pointer to the configuration table for the Modem module in V memory. A pointer value to an
area other than V memory is not accepted and the module continues to examine this
location, waiting for a non-zero pointer value.
LSB
3 2 1 0
R C 0 0
1 - - fault
1 - - good
1 - - off hook
1 - - no dial tone
1 - - phone ringing
1 - - connected
LSB
0
ERROR