Table 2.5.1 –Memory Mapping of Wx100 Internal Data to MODBUS Register

 

Wx100 PLC

I/O #

Modbus Word Address for Function 03, 04 06 & 16 (Hex)

Modbus Bit Address For

Function 01, 02 05 & 15 (Hex)

Modicon Holding Register Mapping

Modicon Bit Addr. Mapping

Input

   n

 

 

 

   n

 

1 to 16

&H0000

&H0000 to 000F

40001.1 to 40001.16

1 to16

 

17 to 32

&H0001

&H0010 to 001F

40002.1 to 40002.16

17 to 32

 

33 to 48

&H0002

&H0020 to 002F

40003.1 to 40003.16

33 to 48

 

49 to 64

&H0003

&H0030 to 003F

40004.1 to 40004.16

49 to 64

 

65 to 80

&H0004

&H0040 to 004F

40005.1 to 40005.16

65 to 80

 

 

 

 

 

 

Output

   n

 

 

 

256 + n

 

1 to 16

&H0010

&H0100 to 010F

40017.1 to 40017.16

257 to 272

 

17 to 32

&H0011

&H0110 to 011F

40018.1 to 40018.16

273 to 288

 

33 to 48

&H0012

&H0120 to 012F

40019.1 to 40019.16

289 to 304

 

49 to 64

&H0013

&H0130 to 013F

40020.1 to 40020.16

305 to 320

 

65 to 80

&H0014

&H0140 to 014F

40021.1 to 40021.16

321 to 336

 

81 to 96

&H0015

&H0150 to 015F

40022.1 to 40022.16

337 to 352

Timer

   n

 

 

 

512+n

contacts

1 to 16

&H0020

&H0200 to 020F

40033.1 to 40033.16

513 to 528

 

17 to 32

&H0021

&H0210 to 021F

40034.1 to 40034.16

529 to 544

 

33 to 48

&H0022

&H0220 to 022F

40035.1 to 40035.16

545 to 560

 

49 to 64

&H0023

&H0230 to 023F

40036.1 to 40036.16

561 to 576

Counter

   n

 

 

 

768 + n

contacts

1 to 16

&H0030

&H0300 to 030F

40049.1 to 40049.16

769 to 784

 

17 to 32

&H0031

&H0310 to 031F

40050.1 to 40050.16

785 to 800

 

33 to 48

&H0032

&H0320 to 032F

40051.1 to 40051.16

801 to 816

 

49 to 64

&H0033

&H0330 to 033F

40052.1 to 40052.16

817 to 832

Internal-

   n 

 

 

 

1024 + n

Relay

1 to 16

&H0040

&H0400 to 040F

40065.1 to 40065.16

1025 to 1040

contacts

17 to 32

&H0041

&H0410 to 041F

40066.1 to 40066.16

1041 to 1056

 

33 to 48

&H0042

&H0420 to 042F

40067.1 to 40067.16

1057 to 1072

 

49 to 64

&H0043

&H0430 to 043F

40068.1 to 40068.16

1073 to 1088

 

65 to 80

&H0044

&H0440 to 044F

40069.1 to 40069.16

1089 to 1104

 

81 to 96

&H0045

&H0450 to 045F

40070.1 to 40070.16

1105 to 1120

 

97 to 112

&H0046

&H0460 to 046F

40071.1 to 40071.16

1121 to 1136

 

113 to 128

&H0047

&H0470 to 047F

40072.1 to 40072.16

1137 to 1152

 

129 to 144

&H0048

&H0480 to 048F

40073.1 to 40073.16

1153 to 1168

 

145 to 160

&H0049

&H0490 to 049F

40074.1 to 40074.16

1169 to 1184

 

161 to 176

&H004A

&H04A0 to 04AF

40075.1 to 40075.16

1185 to 1200

 

177 to 192

&H004B

&H04B0 to 04BF

40076.1 to 40076.16

1201 to 1216

 

193 to 208

&H004C

&H04C0 to 04CF

40077.1 to 40077.16

1217 to 1232

 

209 to 224

&H004D

&H04D0 to 04DF

40078.1 to 40078.16

1233 to 1248

 

..

 

..

..

..

 

497 to 512

&H0096

&H05F0 to 05FF

40097.1 to 40097.16

1521 to 1536

 


 




Wx100 PLC

Variables

Modbus Word Address for Function 03, 04

 06 & 16 (Dec)

Modbus Word Address for Function 03, 04

06 & 16 (Hex)

Modicon Holding Register Address

Timer

Present Values

1 to 64

128 to 191

&H0080 to 00BF

40129 to 40192

Counter

Present Values

1 to 64

256 to 319

&H0100 to 013F

40257 to 40320

Clock

TIME[1]

TIME[2]

TIME[3]

512

513

514

&H0200

&H0201

&H0202

40513

40514

40515

Date

DATE[1]

DATE[2]

DATE[3]

DATE[4]

516
517

518

519

 

&H0204

&H0205

&H0206

&H0207

40517

40518

40519

40520

Data Memory

DM[1]

DM[2]

….

DM[4000]

1000

1001

…

3999

&H03E8

&H03E9

….

&H1387

41001

41002

….

45000

Floating-point Array

 

(Note: available only on Fx model)

FP[1]

FP[2]

…

FP[501]

…..

FP[1000]

5000 & 5001

5002 & 5003

…..

6000 & 6001

….

6998 & 6999

&H1388 + &H1389

&H138A + &H138B

….

&H1770 + &H1771

……

&H1B56 + &H1B57

45001 & 45002

45003 & 45004

…..

46001 & 46002

….

46999 & 47000