Outline; Corresponding Model; Specifications - Hitachi NT2021XA Instruction Manual

1.1

Outline

Easy sequence function (EzSQ) can built a simple sequence function by making the program with programming
software ProDriveNext. In the program, it is possible to change the I/O function and the parameter setting value.
1.2

Corresponding Model

- SJ700 series - WJ200 series
1.3

Specifications

The table below lists the programming-related specifications of the easy sequence function.
Item
Programming language
Input device
Max. program size
Programming support
function (programming
software)
Execution format
External input
External output
Instructions
Number of variables
- L700 series - SJ700B series
Specification
Basic-like language
Windows (DOS/V) personal computer (OS:Windows2000,WindowsXP)
1024steps (The internal storage capacity of the inverter is 1024 steps or 6144 bytes.)
- Editing (on Windows) / - Display (on Windows)
- Program syntax check (on Windows)
- Downloading, uploading, and full clearance of program
Execution by interpreter in an execution cycle of 2 ms per instruction
(possible subroutine call with nesting in up to 8 layers)
Contact signal
Program run signal input
Program run signal input
General-purpose analog input
General-purpose output terminal
General-purpose analog output
(1) Program control instructions
- Loop (for) / - Unconditional branching (goto) / - Time control (wait)
- Conditional branching (if then, ifs then, select case, until, and while)
- Subroutine (call, sub) / - Others (entry, end, cont, inc, and dec)
(2) Arithmetic instructions
- Arithmetic operation (+, -, *, /) / - Remainder (mod) / - Substitution (=)
- Absolute value (abs) / - Logic operation (or, and, xor, and not)
(3) Input/output control
- General-purpose input/output (bit input, word input, bit output, and word output)
- Reading of inverter input terminal
(4) Timer control : - Delay operation / - Timer control
(5) Parameter control : - Rewriting of parameters by reselecting code on the operator's display
User-defined variable
Internal user variable
Set frequency
Acceleration time
Deceleration time
Monitoring variable
General-purpose input contact
General-purpose output contact
Internal user contact
Internal timer contact
Inverter input/output
User monitor
User trip
1-1
Chapter 1
24 V open-collector input (using intelligent input terminals)
SJ700/L700/SJ700B : Always assigned to the FW terminal
WJ200 : Assign to the PRG terminal / Always run
SJ700/L700/SJ700B : Up to 8 terminals (X (00) to X (07))
WJ200 : Up to 8 terminals (X (00) to X (07))
XA (0): 0 to 10 V (O terminal)
XA (1): 4 to 20 mA (OI terminal)
XA (2): 0 to 10 V (O2 terminal) (Only SJ700)
SJ700/L700/SJ700B : Up to 6 terminals (Y (00) to Y (05))
WJ200 : Up to 3 terminals (Y (00) to Y (02))
YA (0): Assignable to the FM terminal
YA (1): Assignable to the AM terminal
YA (2): Assignable to the AMI terminal (Only SJ700)
U (00) to U (31) (32 variables)
UL (00) to UL (07) (8 variables)
SET-Freq
ACCEL
DECEL
FM, Iout, Dir, PID-FB, F-CNV, Tmon, Vout, Power,
RUN-Time, ON-Time, PlsCnt (Only SJ700/L700/SJ700B),
POS, STATUS, DCV, ERR CNT, ERR(1), ERR(2), ERR(3),
ERR(4), ERR(5), and ERR(6)
SJ700/L700/SJ700B : X (00) to X (07) (8 contacts)
WJ200 : X (00) to X (07) (8 contacts)
SJ700/L700/SJ700B : Y (00) to Y (05) (6 contacts)
(including a relay contact output)
WJ200 : Y (00) to Y (02) (3 contacts)
(including a relay contact output)
UB (00) to UB (07) (8 contacts)
TD (0) to TD (7) (8 contacts)
Specification by code on the remote operator's display
Umon (00) to Umon (02) (3 variables)
Makes the inverter trip (10 variables)
Outline of EzSQ