User Guide

FS-8700-31 Siemens TIWAY I Page 7 of 23
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Loop_Output
24-bit datatypes
Word_Force
Packed-bit datatypes
Discrete_Input_Packed
Discrete_Output_Packed
Control_Register_Packed
TIWAY_Host_Adapter_Cmd
Specifies a host adapter
command to execute
Read_Secondary_Log
Report_HIU_Config
Report_Adapter_Config
Report_NM_Config
Soft_Reset
Reset_Adapter
Disconnect_Secondaries
Connect_Secondaries
TIWAY_Address_List
A list of PLC memory
addresses that may be
used for random read
and writes
0-65535
0-255 for loop datatypes and
Drum_Count_Preset
Maximum of 80 space
seperated values allowed.
Preset_Step_List
A list of preset step
values to be used with
the Drum_Count_Preset
datatype. Each value is
tied to an address.
0-255
Maximum of 80 space
seperated values allowed.
Secondaries_List A list of secondary PLC
addresses to be used
with the Connect_ and
Disconnect_Secondaries
host adapter commands.
1-255
255 indicates all secondaries
from 1 to 254
Address
Starting address of read
or write block
0-65535
0-255 for loop datatypes and
Drum_Count_Preset
Length Length of Map Descriptor 1-65535
4.4.3. Timing Parameters
Section Title
Map Descriptors
Column Title Function Legal Values
Scan_Interval Rate at which data is polled ≥0.001s