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Available Memory
SIEMENS PC • 2
(S5-115U, S5-135U, S5-155U)
Available PC
3 1
Communication Setting
9600bpsBaud Rate
Parity
Transmission
Code
Data Length
Stop Bit
Item Setting of PC
9600bps
Even (fixed)
8 (fixed)
1(fixed)
Comm. Parameter of ZM-
**
<E.g.> DB003000
Block No.
Address No.
PC Link Unit
Wiring Diagram
(refer to P2-92)
S5-115U
S5-135U
S5-155U
RS-232C [Wiring Diagram 1]
RS-422 [Wiring Diagram 2]
CP-524(3964R/RK512)
CP-544(3964R/RK512)
ZM-71SE
Model Setting
S5/S7
S7-300
S7-400
CP-341(3964R/RK512)
CP-441(3964R/RK512)
Memory Bit Write TYPE Remarks
DB (data register) 0 Use memories more than DB3.
I (input relay) 1 IW as word device Read only
Q (output relay) 2 QW as word device Read only
F (internal relay) 3 FW as word device Read only
T (timer/current value) 4 Read only
C (counter/current value) 5 Read only
AS (absolute address) 6 Can not be used in S7 series.
The recommended communication parameter setting of both PC and ZM-
**
is as follows:
The assigned memory is indicated while editing
the screen as illustrated:
2 SIEMENS PC • 2
Set the memory to the extent of the memory range of each PC model. In case of using the
[Bit Write] memory as the bit device of the [Output Action] is [Momentary W], the other
bits will be cleared when the bit memory is output, because the [Bit Write] will be output
by one word (refer to P5-10, reference 14-7 of ZM-71SE Instruction Manual). Use [TYPE]
number to assign indirect memory for macro programs.
Available: Unavailable:
Declare more than 1 word of DB3 (data register) in PLC side previously. If not so, ZM-** cannot commu-
nicate with this PLC. Also, it is necessary to declare DB to be used in the software previously.
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