set sim_mode [SplitReply [plc_simulation]]
if {$sim_mode == "false"} {
  MakeAsyncQueue plc_chan SafetyPLC [dict get $::PLC_HOSTPORT HOST] [dict get $::PLC_HOSTPORT PORT]
  MakeSafetyPLC plc plc_chan 0
}
source $cfPath(plc)/plc_common_1.tcl