Skip to Content
Last modified by Theodore Xu on 2024/04/10 09:11
From version 30.1
edited by Leo Wei
on 2023/12/29 09:51
Change comment: Deleted image "1703814552069-173.png"
To version 36.1
edited by Theodore Xu
on 2024/04/10 09:11
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.admin
1 +XWiki.AiXia
Content
... ... @@ -1,5 +3,3 @@
1 -== [[image:1703814552069-173.png||height="402" width="739"]] ==
2 -
3 3  == **Modbus** ==
4 4  
5 5  **Communication specifications**
... ... @@ -27,7 +27,7 @@
27 27  
28 28  **RS485 Connection Topology**
29 29  
30 -RS485 bus connection topology is shown in the following figure. 485 bus is recommended to use shielded twisted pair (STP), 485+, 485-: Adopt twisted pair to connect; Only 120 Ω terminal matching resistors are connected at both ends of the bus to prevent signal reflection; All node 485 signal grounds are connected together; Connect 128 nodes at most, and the distance between branches of each node should be less than 3m.
28 +RS485 bus connection topology is shown in the following figure. 485 bus is recommended to use shielded twisted pair (STP), 485+, 485-: **Adopt twisted pair to connect**; Only 120 Ω terminal matching resistors are connected at both ends of the bus to prevent signal reflection; All node 485 signal grounds are connected together; Connect 128 nodes at most, and the distance between branches of each node should be less than 3m.
31 31  
32 32  **Multi-node connection mode**
33 33  
... ... @@ -53,6 +53,11 @@
53 53  
54 54  The maximum number of nodes and transmission distance supported by our standard RS485 circuit at different rates are shown in the following table.
55 55  
54 +The communication distance between the inverter and other devices should not exceed **200 meters**, if it exceeds two hundred meters it may cause unstable communication. If the communication distance **exceeds 200 meters**, the following measures need to be included:
55 +
56 +* Communication cable：Adopt twisted pair to connect
57 +* anti-interference magnetic ring
58 +
56 56  |Transmission distance (m)|Rate (kbps)|Number of nodes|Wire diameter
57 57  |100|115.2|128|AWG26
58 58  |1000|19.2|128|AWG26
... ... @@ -63,7 +63,7 @@
63 63  
64 64  (% class="box infomessage" %)
65 65  (((
66 -**✎Note:VM series manufactured after April 2023 can support this feature！！**
69 +**✎Note:VM series manufactured after April 2023 can support this feature！**
67 67  )))
68 68  
69 69  NPN/PNP switching has been added to the VM series machines, enabling fast switching between the two modes.
... ... @@ -108,10 +108,7 @@
108 108  
109 109  The control signals of VB series products are compatible with both NPN and PNP signal types.
110 110  
111 -(% class="wikigeneratedid" id="HScheme" %)
112 -**Scheme**
113 -
114 -|=**Function**|=**Address definition**|=**Data meaning**
114 +|= |=**Low-power model**|=**High-power model**
115 115  |Adapted power|(((
116 116  220V：0.75-2.2kW
117 117  
... ... @@ -255,7 +255,7 @@
255 255  (% style="text-align:center" %)
256 256  [[image:Three-wire control mode 2.png||height="332" width="436"]]
257 257  
258 -**Among them: **SB1 Stop button;SB2 Reverse and reverse control; buttons SB3 Run button;
258 +**Among them: **SB1 Stop button;SB2 Forward and reverse control buttons; SB3 Run button;
259 259  
260 260  Refer to the following table for running commands corresponding to switching signals:
261 261