Emheater EM12 Series, User Manual

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EM12 User’s Manual 5. Description of Function Codes
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terminal (used for high-speed pulse output or open-collector switch signal output) as standard. If these output
terminals cannot satisfy requirements, use an optional I/O extension card.
b4-00
FM terminal output mode
Default
0
Setting
Range
0 Pulse output (FMP)
1 Switch signal output (FMR)
The FM terminal is programmable multiplexing terminal. It can be used for high-speed pulse output (FMP), with
maximum frequency of 50.00 kHz. Refer to b6-00 for relevant functions of FMP. It can also be used as open collector
switch signal output (FMR).
b4-01
FMR function (open- collector output terminal)
Default
0
b4-02 Relay 1 function (TA1-TB1-TC1)
Default
3
b4-03 Relay 2 function (TA2-TB2-TC2)
Default
0
b4-04
DO1 function selection (open-collector output terminal)
Default
2
b4-05 DO2 function(extend)
Default
0
These nine parameters are used to select the functions of the nine digital output terminals. TA-TB-TC and
P/A-P/B-P/C are respectively the relays on the control board and the extension card.
The functions of the output terminals are described in the following table.
Value Function Description
0 No output The terminal has no function.
1 Ready for RUN
If the frequency inverter main circuit and control circuit become stable, and
the frequency inverter detects no fault and is ready for RUN, the terminal
becomes ON.
2 Frequency inverter running
When the frequency inverter is running and has output frequency (can be
zero), the terminal becomes ON.
3 Fault output (free stop) When the frequency inverter stops due to a fault, the terminal becomes ON.
4
Fault output(free stop fault,
no output at under-voltage)
5 Swing frequency limited
If the set frequency exceeds the frequency upper limit or lower limit and the
output frequency of the frequency inverter reaches the upper limit or lower
limit, the terminal becomes ON.
6 Torque limited
In speed control mode, if the output torque reaches the torque limit, the
frequency inverter enters the stall protection state and meanwhile the
terminal becomes ON.
7
Frequency upper limit
reached
If the running frequency reaches the upper limit, the terminal becomes ON.
8
Frequency lower limit
reached (no output at stop)
If the running frequency reaches the lower limit, the terminal becomes ON.
In the stop state, the terminal becomes OFF.
9
Frequency lower limit
reached (having output at
stop)
If the running frequency reaches the lower limit, the terminal becomes ON.
In the stop state, the signal is still ON.
10 Reverse running
If the frequency inverter is in the reverse running state, the terminal becomes
ON.
11
Zero-speed running (no
output at stop)
If the frequency inverter runs with the output frequency of 0, the terminal
becomes ON. If the frequency inverter is in the stop state, the terminal
becomes OFF.
12
Zero-speed running 2
(having output at stop)
If the output frequency of the frequency inverter is 0, the terminal becomes
ON. In the state of stop, the signal is still ON.