Siemens CPU 414-2 - Address Identifier and Parameter Ranges

Address Identifier and Parameter Ranges
6
S7-400 Instruction List
A5E00267845-01
Address Identifier and Parameter Ranges
Addr. Parameter Range Description
ID CPU 412 CPU 414 CPU 416 CPU 417
Description
Q
**
0.0 to 127.7 0.0 to 255.7 0.0 to 511.7 0.0 to 1023.7 Output (in PIQ)
QB
**
0 to 127 0 to 255 0 to 511 0 to 1023 Output byte (in PIQ)
QW
**
0 to 126 0 to 254 0 to 510 0 to 1022 Output word (in PIQ)
QD
**
0 to 124 0 to 252 0 to 508 0 to 1020 Output double word (in PIQ)
DBX 0.0 to 65533.7* 0.0 to 65533.7 0.0 to 65533.7 0.0 to 65533.7 Data bit in data block
DB 1 to 511 1 to 4095 1 to 4095 1 to 8191 Data block
DBB 0 to 65533* 0 to 65533 0 to 65533 0 to 65533 Data byte in DB
DBW 0 to 65532* 0 to 65532 0 to 65532 0 to 65532 Data word in DB
DBD 0 to 65530* 0 to 65530 0 to 65530 0 to 65530 Data double word in DB
DIX 0.0 to 65533.7* 0.0 to 65533.7 0.0 to 65533.7 0.0 to 65533.7 Data bit in instance DB
DI 1 to 511 1 to 4095 1 to 4095 1 to 8191 Instance data block
DIB 0 to 65533* 0 to 65533 0 to 65533 0 to 65533 Data byte in instance DB
DIW
0 to 65532* 0 to 65532 0 to 65532 0 to 65532 Data word in instance DB
DID 0 to 65530* 0 to 65530 0 to 65530 0 to 65530 Data double word instance DB
* Also restricted by the size of the working memory.
** Default setting can be changed, see Technical Specifications