2-5
Relay No. Function Description
6. HSC0/HSC1 Controls (MC/MN)
M1940
HSC0 software Mask y 1: Mask
M1941
HSC0 software Clear y 1: Clear
M1942
HSC0 software Direction y 0: Count-up, 1: Count-down
M1943
Reserved
M1944
Reserved
M1945
Reserved
M1946
HSC1 software Mask y 1: Mask
M1947
HSC1software Clear y 1: Clear
M1948
HSC1 software Direction y 0: Count-up, 1: Count-down
M1949
Reserved
M1950
Reserved
M1951
Reserved
7. RTC Controls
M1952
RTC setting
M1953
±30 second Adjustment
◤M1954
RTC installation checking
◤M1955
Set value error
8. Communication/Timing/Counting Controls
M1956 Selection of Message Fame Interval
Detection Time
y 0：Use system default value as Message Fame Interval Detection
Time for Modbus RTU communication protocol
y 1：Use the high byte value of R4148 as Message Fame Interval
Detection Time for Modbus RTU protocol
M1957 The CV value control after the timer
"Time Up"
y 0: The CV value will continue timing until the upper limit is met
after “Time Up”
y 1: The CV value will stop at the PV value after “Time Up” (User
may control M1957 within the program to control the individual
timer )
M1958 Communication port 2 High Speed
Link mode selection
y 0: Set Port 2 to Normal Speed Link
y 1: Set Port 2 to High Speed CPU Link
※M1958 is only effective at slave station
M1959
Modem dialing signal selection y 0: Dialing by TONE when Port 1 connecting with Modem.
y 1: Dialing by PULSE when Port 1 connecting wit
Modem.
M1960 Port 1 busy indicator y 0：Port 1 Busy
y 1：Port 1 Ready
M1961 Port 1 finished indicator y 1：Port 1 finished all communication transactions
M1962 Port 2 busy indicator y 0：Port 2 Busy
y 1：Port 2 Ready
M1963
M1964
Port 2 finished indicator
Modem dialing control
y 1：Port 2 finished all communication transactions
y If Port 1 is connected with Modem,
when signal 0→1 will dial the phone number;
when signal 1→0 will hang-up the phone.
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