IDEC High Performance Series - Manual (Page 257)

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5 SIEMENS
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Con
nection
to a PLC
External Device Setup Manual
5.5.3 S7- 300 with MPI Interface
Bit Device
Device Name Device Symbol Address Range Read
/Write Address
Gradual
MICRO/I PLC
Input (Bit) I I 0 - 10237 R *1
*1. The 1st figure is written in octal number format,
and the 2nd [or more] figure is written in decimal number format.
Output (Bit) Q Q 0 - 10237 R/W *1
Memory (Bit) M M 0 - 163837 R/W *1
Word Device
Device Name Device Symbol Address Range Read
/Write Addres
s
Gradual
MICRO/I PLC
Input (Word) IW IW 0 - 1022 R *1
*1. Only an even number can be specified.
Output (Word) QW QW 0 - 1022 R/W *1
Bit Memory (Word) MW MW 0 - 16382 R/W *1
Timer cell T T 0 - 2047 R Dec
Counter cell C C 0 - 2047 R Dec
Data Block DB DB 1000 - 255510 R/W *1*2
*2. Please specify in the following ranges.
- When a non activated data block is accessed in the PLC, a communication error will occur. Please be sure to activate rele-
vant data blocks in the PLC.
- Endians differ in S7-300, and MICRO/I type. Please use neither bit specification of a WORD device, nor 32-bit WORD
(double WORD).
DB 255 510
3 Address 0 - 510
3 DB No. 1 - 255