25
IM 04L51B01-18EN
Explicit Message
Data on the Recorder
The data count on the recorder is as follows:
Model Type(Suffixcode)
Input/Outputchannel Computationchannel
Communication 
channel
Count Number Count Number Count Number
GX10, 
GP10
Standard (-1) 100 0001 to 6650 50 A001 to A050 50 C001 to C050
GX20-1, 
GX20-1
Standard (-1) 100 0001 to 6650 100 A001 to A100 300 C001 to C300
GX20-2, 
GX20-2
Large Memory (-2) 500 0001 to 6650 200 A001 to A200 500 C001 to C500
GM10-1 Standard (-1) 100 0001 to 6650 100 A001 to A100 300 C001 to C300
GM10-2 Large Memory (-2) 500 0001 to 6650 200 A001 to A200 500 C001 to C500
The following table shows the I/O channel assignments when a PID control module is 
installed.
Datatobeaccessed Readingdata Datatobeaccessed Readingdata
Input/Output 
channel
um01 Loop 1 PV Input/Output 
channel
um19 DO1
um02 Loop 1 SP um20 DO2
um03 Loop 1 OUT um21 DO3
um04 Loop 2 PV um22 DO4
um05 Loop 2 SP um23 DO5
um06 Loop 2 OUT um24 DO6
um07 Loop 1 AI um25 DO7
um08 Loop 2 AI um26 DO8
um09 Loop 1 AO
um10 Loop 2 AO
um11 DI1
um12 DI2
um13 DI3
um14 DI4
um15 DI5
um16 DI6
um17 DI7
um18 DI8
u: Unit number, m: Module number
Example: Loop number L651 OUT corresponds to I/O channel number 6503.