io_modbus_in.iecst

x_req_on 				:= ui_mb_cmd_word.0;
x_req_off 				:= ui_mb_cmd_word.1;
x_req_auto 				:= ui_mb_cmd_word.2;
x_req_cool 				:= ui_mb_cmd_word.3;
x_req_heat 				:= ui_mb_cmd_word.4;
x_req_pressure_control	:= ui_mb_cmd_word.5;
x_req_set_time 			:= ui_mb_cmd_word.6
x_req_set_sched 		:= ui_mb_cmd_word.7
x_req_remote_occ 		:= ui_mb_cmd_word.8

RTrig_time(clk:= x_req_set_time);
RTrig_schedule(clk:= x_req_set_sched);

TON_remote_occ_PT := ui_mb_remote_occ_min * 60000;
TON_remote_occ_TT := (TON_remote_occ.ET > 0) AND (TON_remote_occ.ET < TON_remote_occ.PT);
TON_remote_occ_IN := (TON_remote_occ_TT OR x_req_remote_occ);
TON_remote_occ(PT := TON_remote_occ_PT, IN := TON_remote_occ_IN);
ui_mb_remote_occ_min := (TON_remote_occ_PT - TON_remote_occ.ET)/60000;


IF TON_remote_occ_TT THEN
	usi_mb_remote_event := 1;

END_IF;

IF NOT TON_remote_occ_TT THEN
	usi_mb_remote_event := 0;
	ui_mb_remote_occ_min := 0;
END_IF;



IF RTrig_time.q THEN
	write_time := TRUE;
END_IF;


IF RTrig_schedule.q THEN
	write_schedule := TRUE;
END_IF;

missed := sysMbMRtuNodeStatus[4].miss;
present := sysMbMRtuNodeStatus[4].pres;

IF missed OR (NOT present) THEN
	fail_counter := fail_counter +1;
	IF fail_counter > fail_allowed THEN
		x_mb_alarm := TRUE;
	END_IF;
END_IF;

IF (NOT missed) AND present THEN
	fail_counter := 0;
	x_mb_alarm := FALSE;
END_IF;