> # portName, tcpPortName, slaveAddr, modbusFct, addr, length, dataType, pollMsec, plcType,
> drvModbusAsynConfigure("ESS_NBLM_PLC502_AS_WRITE_0", "ESS_NBLM_PLC502", 1, 16, 0, 40, 8, 1, "SIEMENS")
> 2020/09/17 09:38:36.122 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC502_AS_WRITE_0 error calling writeRead, error=172.30.150.83:502 write error: Broken pipe, nwrite=0/6, nread=0
Prior to that drvModbusAsynConfigure command you should have called drvAsynIPPortConfigure() and modbusInterposeConfig(). Did both of those calls succeed? Prior to calling drvModbusAsynConfigure I would suggest adding this command to your startup to make sure the IP port is created and connected.
asynReport(10, "ESS_NBLM_PLC502")
Mark
________________________________
From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Anders Lindh Olsson via Tech-talk <tech-talk at aps.anl.gov>
Sent: Thursday, September 17, 2020 2:57 AM
To: tech-talk at aps.anl.gov
Subject: Issues connecting to siemens PLC
Hi,
I have an IOC that is supposed to control a Siemens S7 PLC using s7plc (1.4.1) and modbus (3.0.0), developed by someone that is not me. I have been running into two (possibly separate but I don’t think so) issues.
First some errors during set up:
# portName, tcpPortName, slaveAddr, modbusFct, addr, length, dataType, pollMsec, plcType,
drvModbusAsynConfigure("ESS_NBLM_PLC502_AS_WRITE_0", "ESS_NBLM_PLC502", 1, 16, 0, 40, 8, 1, "SIEMENS")
2020/09/17 09:38:36.122 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC502_AS_WRITE_0 error calling writeRead, error=172.30.150.83:502 write error: Broken pipe, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC508_AS_WRITE_0", "ESS_NBLM_PLC508", 1, 16, 0, 6, 4, 1, "SIEMENS")
2020/09/17 09:38:36.122 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC508_AS_WRITE_0 error calling writeRead, error=172.30.150.83:508 write error: Broken pipe, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC509_AS_WRITE_0", "ESS_NBLM_PLC509", 1, 16, 0, 2, 8, 1, "SIEMENS")
2020/09/17 09:38:36.123 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC509_AS_WRITE_0 error calling writeRead, error=172.30.150.83:509 read error: Connection reset by peer, nwrite=6/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC503_AS_WRITE_0", "ESS_NBLM_PLC503", 1, 16, 0, 40, 8, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC503_AS_WRITE_0 error calling writeRead, error=172.30.150.83:503 write error: Broken pipe, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC504_AS_WRITE_0", "ESS_NBLM_PLC504", 1, 16, 0, 40, 8, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC504_AS_WRITE_0 error calling writeRead, error=172.30.150.83:504 write error: Broken pipe, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC507_AS_WRITE_0", "ESS_NBLM_PLC507", 1, 16, 0, 40, 8, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC507_AS_WRITE_0 error calling writeRead, error=172.30.150.83:507 write error: Broken pipe, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC505_AS_WRITE_0", "ESS_NBLM_PLC505", 1, 16, 0, 40, 8, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC505_AS_WRITE_0 error calling writeRead, error=172.30.150.83:505 write error: Broken pipe, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC506_AS_WRITE_0", "ESS_NBLM_PLC506", 1, 16, 0, 40, 8, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC506_AS_WRITE_0 error calling writeRead, error=172.30.150.83:506 write error: Broken pipe, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC502_TS_WRITE_4000", "ESS_NBLM_PLC502", 1, 5, 4000, 1640, 0, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC502_TS_WRITE_4000 error calling writeRead, error=asynManager::queueLockPort queueRequest failed: port ESS_NBLM_PLC502 not connected, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC502_TS_WRITE_6400", "ESS_NBLM_PLC502", 1, 5, 6400, 1640, 0, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC502_TS_WRITE_6400 error calling writeRead, error=asynManager::queueLockPort queueRequest failed: port ESS_NBLM_PLC502 not connected, nwrite=0/6, nread=0
drvModbusAsynConfigure("ESS_NBLM_PLC502_TS_WRITE_8800", "ESS_NBLM_PLC502", 1, 5, 8800, 3, 0, 1, "SIEMENS")
2020/09/17 09:38:36.124 drvModbusAsyn::doModbusIO port ESS_NBLM_PLC502_TS_WRITE_8800 error calling writeRead, error=asynManager::queueLockPort queueRequest failed: port ESS_NBLM_PLC502 not connected, nwrite=0/6, nread=0
And later when the IOC shell is started:
04d5808-xblm-ct-25485 > 09/17/20 09:38:37.387 s7plcConnect ESS_NBLM_PLC: connected to 172.30.150.83:2000
09/17/20 09:38:37.387 s7plcReceiveThread ESS_NBLM_PLC: recv(32, ..., 534, 0) failed: Connection reset by peer
09/17/20 09:38:37.387 s7plcCloseConnection ESS_NBLM_PLC
09/17/20 09:38:38.638 s7plcConnect ESS_NBLM_PLC: connected to 172.30.150.83:2000
09/17/20 09:38:38.639 s7plcReceiveThread ESS_NBLM_PLC: recv(32, ..., 534, 0) failed: Connection reset by peer
09/17/20 09:38:38.639 s7plcCloseConnection ESS_NBLM_PLC
09/17/20 09:38:39.889 s7plcConnect ESS_NBLM_PLC: connected to 172.30.150.83:2000
09/17/20 09:38:39.890 s7plcReceiveThread ESS_NBLM_PLC: recv(32, ..., 534, 0) failed: Connection reset by peer
09/17/20 09:38:39.890 s7plcCloseConnection ESS_NBLM_PLC
Any help would be appreciated.
Cheers
Anders
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