B.2 Function Codes and Number of Devices Supported
for Modbus Protocols
Applicable to AS series PLC
F
code
Name Description
Number of devices
supported
(FW V1.06.00 or
Number of devices
supported
(FW V1.06.10 or
01 Read Coil Status X, Y, M, SM, S, T, C, HC 1~256 bits 1~1600 bits
02
Read Discrete Input
Status
X, Y, M, SM, S, T, C, HC 1~256 bits 1~1600 bits
03 Read Holding Registers X, Y, SR, D, T, C, HC, E
1~100 words,
(1~50 for HC)
1~100 words,
(1~50 for HC)
04 Read Input Registers X 1~100 words 1~100 words
05 Force Single Coil Y, M, SM, S, T, C, HC 1 bit 1 bit
06 Preset Single Register Y, SR, D, T, C, HC, E 1 word 1 word
0F Force Multiple Coils Y, M, SM, S, T, C, HC 1~256 bits 1~1600 bits
10 Preset Multiple Register Y, SR, D, T, C, HC, E
1~100 words,
(1~50 for HC)
1~100 words,
(1~50 for HC)
17
Read/Write Multiple
Register
Y, SR, D, T, C, HC, E
1~100 words,
(1~50 for HC)
1~100 words,
(1~50 for HC)
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Send Quote Requests to info@automatedpt.com
Call +1(800)985-6929 To Order or Order Online At Deltaacdrives.com