4-39
IM 04L51B01-01EN
Using Modbus Functions (Communicating with Modbus devices)
4
Unit I/O Channel Data Hold Register Data Type
Expandable I/O 3 Lower bytes of the channel 3001 data 420001 32-bit signed integer
Higher bytes of the channel 3001 data 420002
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Lower bytes of the channel 3050 data 420099
Higher bytes of the channel 3050 data 420100
Lower bytes of the channel 3101 data 420101
Higher bytes of the channel 3101 data 420102
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Lower bytes of the channel 3150 data 420199
Higher bytes of the channel 3150 data 420200
Lower bytes of the channel 3201 data 420201
Higher bytes of the channel 3201 data 420202
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Lower bytes of the channel 3250 data 420299
Higher bytes of the channel 3250 data 420300
Lower bytes of the channel 3301 data 420301
Higher bytes of the channel 3301 data 420302
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Lower bytes of the channel 3350 data 420399
Higher bytes of the channel 3350 data 420400
Lower bytes of the channel 3401 data 420401
Higher bytes of the channel 3401 data 420402
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Lower bytes of the channel 3450 data 420499
Higher bytes of the channel 3450 data 420500
Lower bytes of the channel 3501 data 420501
Higher bytes of the channel 3501 data 420502
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Lower bytes of the channel 3550 data 420599
Higher bytes of the channel 3550 data 420600
Expandable I/O 4 Lower bytes of the channel 4001 data 425001
Higher bytes of the channel 4001 data 425002
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Lower bytes of the channel 4050 data 425099
Higher bytes of the channel 4050 data 425100
Lower bytes of the channel 4101 data 425101
Higher bytes of the channel 4101 data 425102
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Lower bytes of the channel 4150 data 425199
Higher bytes of the channel 4150 data 425200
Lower bytes of the channel 4201 data 425201
Higher bytes of the channel 4201 data 425202
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Lower bytes of the channel 4250 data 425299
Higher bytes of the channel 4250 data 425300
Lower bytes of the channel 4301 data 425301
Higher bytes of the channel 4301 data 425302
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Lower bytes of the channel 4350 data 425399
Higher bytes of the channel 4350 data 425400
Lower bytes of the channel 4401 data 425401
Higher bytes of the channel 4401 data 425402
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Lower bytes of the channel 4450 data 425499
Higher bytes of the channel 4450 data 425500
Lower bytes of the channel 4501 data 425501
Higher bytes of the channel 4501 data 425502
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Lower bytes of the channel 4550 data 425599
Higher bytes of the channel 4550 data 425600
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4.5 Modbus Function and Register Assignments