5.4.2
E codes (Extension terminal functions)
E01 to E07
Terminal [X1] to [X7] Functions
E01 to E07, E98 and E99 assign commands (listed below) to general-purpose, programmable,
digital input terminals, [X1] to [X7], [FWD], and [REV].
These function codes can also switch the logic system between normal and negative to define
how the inverter logic interprets the ON or OFF state of each terminal. The factory default setting
is normal logic system "Active ON." So, descriptions that follow are given in normal logic system.
They are, in principle, arranged in the numerical order of assigned data. However, highly relevant
signals are collectively described where one of them first appears. Refer to the function codes in
the "Related function codes" column, if any.
The FRENIC-MEGA runs under "V/f control," "dynamic torque vector control," "V/f control
with speed sensor," "dynamic torque vector control with speed sensor," "vector control without
speed sensor," or "vector control with speed sensor." Some terminal commands assigned apply
exclusively to the specific drive control, which is indicated by letters Y (Applicable) and N (Not
applicable) in the "Drive control" column in the table given below.
• Ensure safety before modifying the function code settings.
Run commands (e.g., "Run forward" FWD), stop commands (e.g., "Coast to a stop" BX), and
frequency change commands can be assigned to digital input terminals. Depending upon the
assignment states of those terminals, modifying the function code setting may cause a sudden
motor start or an abrupt change in speed.
• When the inverter is controlled with the digital input signals, switching run or frequency
command sources with the related terminal commands (e.g., SS1, SS2, SS4, SS8, Hz2/Hz1,
Hz/PID, IVS, and LE) may cause a sudden motor start or an abrupt change in speed.
An accident or physical injury may result.
Function code data
Active
Active
ON
OFF
0
1000
1
1001
2
1002
3
1003
4
1004
5
1005
6
1006
7
1007
8
1008
1009
9
10
1010
11
1011
12
1012
13
14
1014
Terminal commands assigned
Select multi-frequency
(0 to 15 steps)
Select ACC/DEC time (2 steps)
Select ACC/DEC time (4 steps)
Enable 3-wire operation
Coast to a stop
Reset alarm
Enable external alarm trip
Ready for jogging
Select frequency command 2/1
Select motor 2
Enable DC braking
Select torque limiter level 2/1
E98 and E99 (Terminal [FWD] and [REV] Functions)
Symbol
PG
V/f
V/f
SS1
Y
SS2
Y
SS4
Y
SS8
Y
RT1
Y
RT2
Y
HLD
Y
BX
Y
RST
Y
THR
Y
JOG
Y
Hz2/Hz1
Y
M2
Y
DCBRK
Y
TL2/TL1
Y
5-116
Drive control
Related
function
w/o
w/
Torque
codes
PG
PG
control
Y
Y
Y
N
Y
Y
Y
N
C05 to C19
Y
Y
Y
N
Y
Y
Y
N
Y
Y
Y
N
F07, F08,
E10 to E15
Y
Y
Y
N
Y
Y
Y
Y
F02
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
C20,
Y
Y
Y
N
H54, H55,
d09 to d13
Y
Y
Y
N
F01, C30
Y
Y
Y
Y
A42
Y
Y
Y
N
F20 to F22
F40, F41,
Y
Y
Y
Y
E16, E17
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