Hitachi Sj7002 Owners Manual

Connecting to PLCs and Other Devices
Operations
and Monitoring
4–10
Be sure to keep the control logic wiring separa ted from the power terminal wiring. In the case 
of model –3150Hxx, the drawing below sh ows how route control circuit wiring.
1. Separate the control circuit wiring into tw o bundles to make use of available space.
2. Route the wiring from the control terminal block to the wiring plate. Continue routing past 
the PCB attachment plate to the wiring exit area.
3. Secure the control wiring to...

SJ7002 Inverter
Operations
and Monitoring
4–11
Input Terminal 
ListingUse the following table to locate pages for  intelligent input material in this chapter.
Intelligent INPUTSIntelligent INPUTS
SymbolCodeNamePageSymbolCodeNamePage
RV 01 Reverse Run/Stop 4–15
TRQ2 42 Torque limit select, bit 2 (MSB) 4–30
CF1 02 Multi-speed select, Bit 0 (LSB)4–15PPI 43 P / PI mode selection4–26
CF2 03 Multi-speed select, Bit 1 4–15BOK 44 Brake confirmation signal 4–32
CF3 04 Multi-speed select, Bit 24–15ORT 45...

Connecting to PLCs and Other Devices
Operations
and Monitoring
4–12
Output Terminal 
ListingUse the following table to locate pages for  intelligent output material in this chapter.
Intelligent OUTPUTSIntelligent OUTPUTS
SymbolCodeNamePageSymbolCodeNamePage
RUN 00 Run signal 4–44
FBV 31 PID feedback second stage output4–56
FA1 01 Freq. arrival type 1 –
constant speed 4–44NDc 32 Network detection signal
4–57
LOG1 33 Logic output 1 4–58
FA2 02 Freq. arrival type 2 –
over-frequency 4–44LOG2 34 Logic output...

SJ7002 Inverter
Operations
and Monitoring
4–13
Using Intelligent Input Terminals
Intelligent terminals [1], [2], [3], [4], [5], [6 ], [7], and [8] are identical, programmable inputs 
for general use. The input circuits can use the in verter’s internal (isolated) +24V field supply 
(P24) to power the inputs. The input circuits conne ct internally to [PLC] as a common point. To 
use the internal supply to power the inputs, use the jumper as shown. Remove the jumper to use 
an external supply, or to...

Using Intelligent Input Terminals
Operations
and Monitoring
4–14
Wiring Diagram 
ConventionsThe input wiring diagrams in this chapter ar e examples only. Default and non-default input 
terminal assignments are noted th roughout; your particular assignments may be different. The 
wiring diagrams show the –x FU/–xFR model default [P24]–[P LC] jumper position (U.S./Jpn 
versions), as shown below on the left. The common (return) for inputs is [CM1] in this case. 
The diagram on the right shows the default...

SJ7002 Inverter
Operations
and Monitoring
4–15
Forward Run/
Stop and Reverse 
Run/Stop 
Commands   When you input the Run command via the dedicate d terminal [FW], the inverter executes the 
Forward Run command (high) or Stop command  (low). When you input the Run command via 
the programmable terminal [RV], the inverter executes the Reverse Run command (high) or 
Stop command (low). Note the following:
 When the Forward Run and Reverse Run commands  are active at the same time, the inverter 
enters the...

Using Intelligent Input Terminals
Operations
and Monitoring
4–16
The example with eight speeds in the figure  below shows how input switches configured for 
CF1 – CF3 functions can change the motor speed in real time. 
Multi-speed Override Feature - The multi-speed function can  selectively override the 
external analog speed reference input. When  the Frequency Source Setting parameter 
A001=01, the control terminal inputs determin e the output frequency. At the same time, the 
inverter can use...

SJ7002 Inverter
Operations
and Monitoring
4–17
Multi-Speed 
Select, Bit-level  The Bit-level method of speed control 
uses up to seven intelligent inputs to 
select from up to ei ght speeds. Since the 
all-switches-OFF combination selects 
the first speed, you only need N–1 
switches to select N speeds. With Bit-
level speed control, only one input is 
normally active at a time. If multiple 
switches are ON, the lower numbered 
input takes precedence (determines the 
speed). The table and figure below...

Using Intelligent Input Terminals
Operations
and Monitoring
4–18
Jogging 
Command   The Jog input [JG] is used to command the 
motor to rotate slowly in small increments 
for manual operation. The speed is limited 
to 10 Hz. The frequency for the jogging 
operation is set by parameter A038. Jogging 
does not use an acceleration ramp. There-
fore setting the jogging frequency A038 too 
high will cause inverter tripping.
A jog command may arrive while the motor 
is running. You can program the inverter to...

SJ7002 Inverter
Operations
and Monitoring
4–19
External Signal 
for DC Injection 
Braking   When the terminal [DB] is turned ON, the 
DC braking [DB] feature is enabled 
(regardless of A051 setting). Set the follow-
ing parameters when the external DC 
braking terminal is to be used:
 A053 – DC braking delay time setting.  The range 0.0 to 5.0 seconds.
 A054 – DC braking force setting. The  range is 0 to 100% for models -004xxx 
to -1500xxx; 0 to 35% for models 
-1850xxx to -4000xxx. 
The scenarios to...