1'''
2Relay - Relay_read_counters.py with synchronous mode.
3
4This example demonstrates how to read counters from EthanL.
5
6-------------------------------------------------------------------------------------
7Please change correct serial number or IP and port number BEFORE you run example code.
8
9For other examples please check:
10 https://github.com/WPC-Systems-Ltd/WPC_Python_driver_release/tree/main/examples
11See README.md file to get detailed usage of this example.
12
13Copyright (c) 2022-2025 WPC Systems Ltd. All rights reserved.
14'''
15
16## WPC
17from wpcsys import pywpc
18
19
20def main():
21 ## Get Python driver version
22 print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
23
24 ## Create device handle
25 dev = pywpc.EthanL()
26
27 ## Connect to device
28 try:
29 dev.connect("192.168.1.110") ## Depend on your device
30 except Exception as err:
31 pywpc.printGenericError(err)
32 ## Release device handle
33 dev.close()
34 return
35
36 try:
37 ## Parameters setting
38 port = 0 ## Depend on your device
39 index = -1 ## Read all the relay counters
40 timeout = 3 ## [sec]
41
42 ## Get firmware model & version
43 driver_info = dev.Sys_getDriverInfo(timeout)
44 print(f"Model name: {driver_info[0]}, Firmware version: {driver_info[-1]} ")
45
46 ## Open relay
47 err = dev.Relay_open(port, timeout)
48 print(f"Relay_open in port {port}, status: {err}")
49
50 ## Read counters
51 counter = dev.Relay_read(port, index, timeout)
52 print(f"Relay_read in port {port}: {counter}")
53
54 ## Close relay
55 err = dev.Relay_close(port, timeout)
56 print(f"Relay_close in port {port}, status: {err}")
57 except Exception as err:
58 pywpc.printGenericError(err)
59
60 finally:
61 ## Disconnect device
62 dev.disconnect()
63
64 ## Release device handle
65 dev.close()
66
67
68if __name__ == '__main__':
69 main()