def get_peripheral(self, ip_addr, port_id):
port = int(port_id)
melsecNet = MelsecMcNet(ip_addr, port)
if melsecNet.ConnectServer().IsSuccess == False:
print("PLCDevice: get_peripheral --> connect falied")
_LOGGER.info("PLCDevice: get_peripheral --> connect falied")
return None
else:
print("PLCDevice: get_peripheral --> connect successed")
_LOGGER.info("PLCDevice: get_peripheral --> connect successed")
return melsecNet
def testAll(self):
# 下面是单元测试
plc = MelsecMcNet("192.168.8.13", 6001)
if plc.ConnectServer().IsSuccess == False:
print("无法连接PLC，将跳过单元测试。等待网络正常时，再进行测试")
return
# 开始单元测试，从bool类型开始测试
address = "M200"
boolTmp = [True, True, False, True, False, True, False]
self.assertTrue(plc.WriteBool(address, True).IsSuccess)
self.assertTrue(plc.ReadBool(address).Content == True)
self.assertTrue(plc.WriteBool(address, boolTmp).IsSuccess)
readBool = plc.ReadBool(address, len(boolTmp)).Content
for i in range(len(boolTmp)):
self.assertTrue(readBool[i] == boolTmp[i])
address = "D300"
# short类型
self.assertTrue(plc.WriteInt16(address, 12345).IsSuccess)
self.assertTrue(plc.ReadInt16(address).Content == 12345)
shortTmp = [123, 423, -124, 5313, 2361]
self.assertTrue(plc.WriteInt16(address, shortTmp).IsSuccess)
readShort = plc.ReadInt16(address, len(shortTmp)).Content
for i in range(len(readShort)):
self.assertTrue(readShort[i] == shortTmp[i])
# ushort类型
self.assertTrue(plc.WriteUInt16(address, 51234).IsSuccess)
self.assertTrue(plc.ReadUInt16(address).Content == 51234)
ushortTmp = [5, 231, 12354, 5313, 12352]
self.assertTrue(plc.WriteUInt16(address, ushortTmp).IsSuccess)
readUShort = plc.ReadUInt16(address, len(ushortTmp)).Content
for i in range(len(readUShort)):
self.assertTrue(readUShort[i] == ushortTmp[i])
# int类型
self.assertTrue(plc.WriteInt32(address, 12342323).IsSuccess)
self.assertTrue(plc.ReadInt32(address).Content == 12342323)
intTmp = [123812512, 123534, 976124, -1286742]
self.assertTrue(plc.WriteInt32(address, intTmp).IsSuccess)
readint = plc.ReadInt32(address, len(intTmp)).Content
for i in range(len(intTmp)):
self.assertTrue(readint[i] == intTmp[i])
# uint类型
self.assertTrue(plc.WriteUInt32(address, 416123237).IsSuccess)
self.assertTrue(plc.ReadUInt32(address).Content == 416123237)
uintTmp = [81623123, 91712749, 91273123, 123, 21242, 5324]
self.assertTrue(plc.WriteUInt32(address, uintTmp).IsSuccess)
readuint = plc.ReadUInt32(address, len(uintTmp)).Content
for i in range(len(uintTmp)):
self.assertTrue(readuint[i] == uintTmp[i])
# float类型
self.assertTrue(plc.WriteFloat(address, 123.45).IsSuccess)
self.assertTrue(round(plc.ReadFloat(address).Content, 2) == 123.45)
floatTmp = [123, 5343, 1.45, 563.3, 586.2]
self.assertTrue(plc.WriteFloat(address, floatTmp).IsSuccess)
readFloat = plc.ReadFloat(address, len(floatTmp)).Content
for i in range(len(floatTmp)):
self.assertTrue(floatTmp[i] == round(readFloat[i], 2))
# double类型
self.assertTrue(plc.WriteDouble(address, 1234.5434).IsSuccess)
self.assertTrue(plc.ReadDouble(address).Content == 1234.5434)
doubleTmp = [1.4213, 1223, 452.5342, 231.3443]
self.assertTrue(plc.WriteDouble(address, doubleTmp).IsSuccess)
readDouble = plc.ReadDouble(address, len(doubleTmp)).Content
for i in range(len(doubleTmp)):
self.assertTrue(readDouble[i] == doubleTmp[i])
# long类型
self.assertTrue(plc.WriteInt64(address, 123617231235123).IsSuccess)
self.assertTrue(plc.ReadInt64(address).Content == 123617231235123)
longTmp = [12312313123, 1234, 412323812368, 1237182361238123]
self.assertTrue(plc.WriteInt64(address, longTmp).IsSuccess)
readLong = plc.ReadInt64(address, len(longTmp)).Content
for i in range(len(longTmp)):
self.assertTrue(readLong[i] == longTmp[i])
# ulong类型
self.assertTrue(plc.WriteUInt64(address, 1283823681236123).IsSuccess)
self.assertTrue(plc.ReadUInt64(address).Content == 1283823681236123)
ulongTmp = [21316, 1231239127323, 1238612361283123]
self.assertTrue(plc.WriteUInt64(address, ulongTmp).IsSuccess)
readULong = plc.ReadUInt64(address, len(ulongTmp)).Content
for i in range(len(ulongTmp)):
self.assertTrue(readULong[i] == ulongTmp[i])
# string类型
self.assertTrue(plc.WriteString(address, "123123").IsSuccess)
self.assertTrue(plc.ReadString(address, 3).Content == "123123")
# byte类型
byteTmp = bytearray([0x4F, 0x12, 0x72, 0xA7, 0x54, 0xB8])
self.assertTrue(plc.Write(address, byteTmp).IsSuccess)
self.assertTrue(
SoftBasic.IsTwoBytesAllEquel(
plc.Read(address, 3).Content, byteTmp))
if result.IsSuccess:
print("success[" + addr + "] " + str(result.Content))
else:
print("failed[" + addr + "] " + result.Message)
def printWriteResult(result, addr):
if result.IsSuccess:
print("success[" + addr + "]")
else:
print("falied[" + addr + "] " + result.Message)
if __name__ == "__main__":
print(SoftBasic.GetUniqueStringByGuidAndRandom())
melsecNet = MelsecMcNet("192.168.8.13", 6002)
if melsecNet.ConnectServer().IsSuccess == False:
print("connect falied ")
else:
# bool read write test
melsecNet.WriteBool("M200", True)
printReadResult(melsecNet.ReadBool("M200"), "M200")
# bool array read write test
melsecNet.WriteBool("M300", [True, False, True, True, False])
printReadResult(melsecNet.ReadBool("M300", 5), "M300")
# int16 read write test
melsecNet.WriteInt16("D200", 12358)
printReadResult(melsecNet.ReadInt16("D200"), "D200")
from HslCommunication import MelsecMcNet
def printReadResult(result):
if result.IsSuccess:
print(result.Content)
else:
print("failed " + result.Message)
def printWriteResult(result):
if result.IsSuccess:
print("success")
else:
print("falied " + result.Message)
if __name__ == "__main__":
melsecNet = MelsecMcNet("192.168.8.12", 6002)
if melsecNet.ConnectServer().IsSuccess == False:
print("connect falied ")
else:
printReadResult(melsecNet.ReadInt16("D300"))