Modbus Fc100 Commands - ICP DAS USA ACS-20B-MRTU User Manual

5.2

Modbus FC100 Commands

This section describes all sub function calls (sub-FC) of FC100 (0x64) for the settings on
ACS-20B(W)-MRTU. All sub-FCs are listed in table 5-4. All setting values are non-volatile
(effective after power-cycling the module). In the following sections, Modbus requests and
responses are listed without CRC16 bytes.
Sub-FC
00 (0x00) Get the module name.
04 (0x04) Set the Modbus unit ID (Net ID) of the module.
05 (0x05) Read communication settings.
06 (0x06) Set communication settings.
07 (0x07) Read current communication settings.
08 (0x08) Read Modbus response delay.
09 (0x09) Set Modbus response delay.
32 (0x20) Read firmware version.
33 (0x21) Read firmware date.
34 (0x22) Get stored quantity of IR sensing records.
35 (0x23) Clear all stored IR sensing records.
39 (0x27) Get RTC time.
40 (0x28) Set RTC time.
41 (0x29) Get IR sensing records data
42 (0x2A) Get IR sensing record mode.
43 (0x2B) Set IR sensing record mode.
44 (0x2C) Get inverted red/blue LED status.
45 (0x2D) Set inverted red/blue LED status.
46 (0x2E) Get relay hold time.
47 (0x2F) Set relay hold time.
64 (0x40) Get locked mode.
65 (0x41) Set locked mode.
66 (0x42) Get day mode of locked periods.
67 (0x43) Set day mode of locked periods.
68 (0x44) Get enabled state of locked periods.
69 (0x45) Set enabled state of locked periods.
70 (0x46) Get 8 locked periods.
71 (0x47) Set 8 locked periods.
72 (0x48) Get enabled state of locked period function.
73 (0x49) Set enabled state of locked period function.
76 (0x4C) Get scale value of rotary switch.
77 (0x4D) Get toggle mode
78 (0x4E) Set toggle mode
165 (0xA5) Reboot module
ACS-20B(W)-MRTU User Manual
Copyright © 2021 ICP DAS Co., Ltd. All Rights Reserved
Table 5-4: Sub-FCs of FC100
Command Description
Version 1.1
E-mail: service@icpdas.com
Section
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.2.7
5.2.8
5.2.9
5.2.10
5.2.11
5.2.12
5.2.13
5.2.14
5.2.15
5.2.16
5.2.17
5.2.18
5.2.19
5.2.20
5.2.21
5.2.22
5.2.23
5.2.24
5.2.25
5.2.26
5.2.27
5.2.28
5.2.29
5.2.30
5.2.31
5.2.32
5.2.33
5.2.34
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