User guide
    <3. Functions>
3-3
IM 11B06E01-01E
Readandwriteisindividuallyperformed,sothatitispossibletoofferonereadrequestandone
writerequestatthesametime.
Coil (00001 to 09999)
Data Address Description
Time setting 
request
00001 For all GC8000 or GC1000 MarkII connected to ASGW
Time data should be set at the holding registers 40001 to 40004 before 
request.
Value turns to “0” after writing.
TosettimetoallanalyzersorPCAS,#TSETmustbespeciedas255..
Individual time 
settingrequest
00nnn Time is set for selected GC8000 or GC1000 MarkII.
Time data should be set at the holding registers 40001 to 40004 before 
request.
“nnn”is100+StnID*
“nnn” (= 101 to 354)
Value turns to “0” after writing.
The setting for ASIU is invalid.
Mapping area 01001 to 09000 Setting the coil or input relay address of analyzers.
ASGW only reads the input relay on analyzers and only writes the coil on 
analyzers.
Available is the following coils
GC8000
  Refer to “5.1 Coils (command contacts)” in “GS 11B08B02-01E 
GC8000 Modbus Communication”. However, “00004: Time Setting 
Request”isnotavailable.
GC1000 MarkII
  Refer to “5.1 Coil (command contact)” in “GS 11B03G02-02E GC1000 
MarkII Modbus Communication”. However, “00004: Time Setting 
Request”isnotavailable.
ASIU:
  00101 to 00116:  On command for DO01 to DO16
  00201 to 00216:  Off command for DO01 to DO16
Setting the other address is ignored.
This value turn to “0” after writing.
*: StnIDistheidenticationnumberofananalyzer.StnIDisrelatedtoanIPaddressinthemappingle(see4.2Datamapping).
Input relay (10001 to 19999)
Data Address Description
In operation 10xxx Thevalueindicates“1”whentheanalyzerandPCASiscommunicating.
“xxx”isStnID*oftheanalyzer.
“xxx”(=001to254)
Communication 
error
10yyy The value indicates “1” when there is an error in communication with ana-
lyzersandPCAS.Inputrelayorinoutregisterneedstobedened.
“yyy” is 300 + Stn ID
“yyy” (= 301 to 554)
Write error 10zzz The value indicates “1” when there is an error in writing data to analyzers 
andPCAS;itreturnsto“0”whenthenextwritingsuccessfullynishes.
“zzz” is 600 + Stn ID
“zzz” (= 601 to 854)
Mapping area 11001 to 19000 SettingtheinputrelayaddressofanalyzersandPCAS.
ASGWreadstheaddresseddatafromanalyzersandPCAS.
*: StnIDistheidenticationnumberofananalyzer.StnIDisrelatedtoanIPaddressinthemappingle(see4.2Datamapping).
4th Edition : Nov. 22, 2011-00










