Manual
4-24
IM 04L51B01-01EN
4.5.5 Hold Registers (Shared with the Modbus server/slave function)
Common Items
• The client device can read and write to the hold registers.
• Communication channels are an option (/MC).
• Channel range by model
Channel type GX20/GP20 GX10/GP10
I/O channel 0001 to 0950 0001 to 0250
Math channel A001 to A100 A001 to A050
Communication channel C001 to C300 C001 to C050
I/O Channel Data
1
• 32-bit Signed Integer
I/O Channel Data Hold Register Data Type
Lower bytes of the channel 0001 data 400001 32-bit signed integer
Higher bytes of the channel 0001 data 400002
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Lower bytes of the channel 0050 data 400099
Higher bytes of the channel 0050 data 400100
Lower bytes of the channel 0101 data 400101
Higher bytes of the channel 0101 data 400102
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Lower bytes of the channel 0150 data 400199
Higher bytes of the channel 0150 data 400200
Lower bytes of the channel 0201 data 400201
Higher bytes of the channel 0201 data 400202
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Lower bytes of the channel 0250 data 400299
Higher bytes of the channel 0250 data 400300
Lower bytes of the channel 0301 data 400301
Higher bytes of the channel 0301 data 400302
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Lower bytes of the channel 0350 data 400399
Higher bytes of the channel 0350 data 400400
Lower bytes of the channel 0401 data 400401
Higher bytes of the channel 0401 data 400402
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Lower bytes of the channel 0450 data 400499
Higher bytes of the channel 0450 data 400500
Lower bytes of the channel 0501 data 400501
Higher bytes of the channel 0501 data 400502
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Lower bytes of the channel 0550 data 400599
Higher bytes of the channel 0550 data 400600
Lower bytes of the channel 0601 data 400601
Higher bytes of the channel 0601 data 400602
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Lower bytes of the channel 0650 data 400699
Higher bytes of the channel 0650 data 400700
Lower bytes of the channel 0701 data 400701
Higher bytes of the channel 0701 data 400702
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Lower bytes of the channel 0750 data 400799
Higher bytes of the channel 0750 data 400800
Lower bytes of the channel 0801 data 400801
Higher bytes of the channel 0801 data 400802
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Lower bytes of the channel 0850 data 400899
Higher bytes of the channel 0850 data 400900
Lower bytes of the channel 0901 data 400901
Higher bytes of the channel 0901 data 400902
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Lower bytes of the channel 0950 data 400999
Higher bytes of the channel 0950 data 401000
Continued on next page
4.5 Modbus Function and Register Assignments