Omron SYSMAC CP2E-E D Series User Manual

14-15
14 Serial Communications
CP2E CPU Unit Software User’s Manual(W614)
14-4 Modbus-RTU Easy Master Function
14
14-4-3 Setting and Word Allocation
DM fixed allocation words and Auxiliary Area words are allocated for the Modbus-RTU Easy Master
according to the CPU Unit type and connected port as shown below.
z DM Fixed Allocation Words
14-4-3 Setting and Word Allocation
CP2E CPU Unit serial port DM fixed allocation words Auxiliary Area bits
CP2E E-type CPU
Unit
Built-in RS-232C port D1200 to D1299 A640.00 to A640.02
CP2E S-type CPU
Unit
Built-in RS-232C port D1200 to D1299 A640.00 to A640.02
Built-in RS-485 port D1300 to D1399 A641.00 to A641.02
CP2E N14/20 CPU
Unit
Serial Port 1 D1200 to D1299 A640.00 to A640.02
Serial Port 1 (EX) D1400 to D1499 A638.00 to A638.02
CP2E N30/40/60 CPU
Unit
Serial Port 1 D1200 to D1299 A640.00 to A640.02
Serial Port 2 D1300 to D1399 A641.00 to A641.02
Serial Port 1 (EX) D1400 to D1499 A638.00 to A638.02
Word
Bits Contents
Built-in RS232C
port of CP2E
E/S-type
CPU Unit or
Serial Port 1 of
CP2E N-type
CPU Unit
Built-in RS-485
port of CP2E
S-type CPU
Unit or Serial
Port 2 of CP2E
N30/40/60 CPU
Unit
Serial Port 1
(EX) of CP2E
N-type CPU
Unit
D1200 D1300 D1400 00 to 07 Command Slave address (00 to F7 hex)
08 to 15 Reserved (Always 00 hex.)
D1201 D1301 D1401 00 to 07 Function code
08 to 15 Reserved (Always 00 hex.)
D1202 D1302 D1402 00 to 15 Number of communications
data bytes (0000 to 005E hex)
D1203 to D1249 D1303 to D1349 D1403 to D1449 00 to 15 Communications data (94
bytes maximum)
D1250 D1350 D1450 00 to 07 Response Slave address (01 to F7 hex)
08 to 15 Reserved (Always 00 hex.)
D1251 D1351 D1451 00 to 07 Function code
08 to 15 Reserved
D1252 D1352 D1452 00 to 07 Error code
(See error codes in the follow-
ing table. )
08 to 15 Reserved (Always 00 hex.)
D1253 D1353 D1453 00 to 15 Number of response bytes
(0000 to 03EA hex)
D1254 to D1299 D1354 to D1399 D1454 to D1499 00 to 15 Response data (92 bytes
maximum)

Omron SYSMAC CP2E-E D Series Specifications

General

Brand	Omron
Model	SYSMAC CP2E-E D Series
Category	Computer Hardware
Language	English