Bypass basic programming parameters, Programming 5 - 2 – Yaskawa E7B Drive Bypass User Manual

Page 96

Programming 5 - 2

Bypass Basic Programming Parameters

The basic Drive programming for a Bypass unit is different from that of a Drive installation without the Bypass option.

Several Drive parameters have been programmed at the factory to meet the needs of the Bypass logic circuit. See Table 5.1
below, the highlighted parameters are required by the Bypass logic circuit. Only those parameters that are changed from the
Drive default are listed.

Table 5.1 Bypass Parameter Settings

PARAMETER

NUMBER

SETTING

UNITS

DESCRIPTION

KEYPAD DISPLAY

For Bypass Setting

For

Bypass

Drive

Default

b1-01

SEE

TABLE

5.2

N/A

Frequency Reference Selection – Selects the speed
command input source

Reference Source /

Terminals

b1-08

N/A

Run Command Selection During Programming –
Selects if run command is accepted in DRIVE Opera-
tion menu only or in all menus.

RUN CMD at PRG /
Enabled

b2-03

5.0

0.0

SEC

DC Injection Braking Time At Start – Sets the

braking time at Drive start, to stop a coasting motor
before starting

Dcinj Time@Start /

(0-10)

d1-01

10.0

0.0

Frequency Reference 1 – Hand Mode Speed Refer-
ence, used with serial communication, see Table 5.2
and H1-03

Reference 1 / (0-60)

d1-02

6.0

0.0

Frequency Reference 2 – Hand Mode Speed Refer-
ence, used without serial communication, see Table
5.2 and H1-03

Reference 2 / (0-60)

d1-04

40.0

0.0

Frequency Reference 4 – Speed Reference, used with
serial communication loss and H5-04 = “4: Run at

d1-04”

Reference 4 / (0-60)

E1-01

208, 240

or 480

240 or

480

VOLTS

Input Voltage Setting – Set to the nominal Voltage Set-
ting for the incoming line

Input Voltage / (range)

F6-01

N/A

Operation Selection After Communication Error –
Selects the serial com error response, alarm and con-
tinue operation

Com Bus Flt Sel / Alarm
Only

H1-01

N/A

Terminal S3 Function Selection – Set for Drive run
enable

Terminal S3 Sel / Drive
Enable

H1-02

SEE

TABLE

5.2

N/A

Terminal S4 Function Selection – Set for fault reset or
Frequency Reference 1

Terminal S4 Sel / Multi-
Step Ref 1

H1-03

SEE

TABLE

5.2

N/A

Terminal S5 Function Selection – Set For Frequency
Reference 1 or Serial Communication

Terminal S5 Sel / Multi-
Step Ref 1

H2-02

N/A

Terminals M3 - M4 Function Selection – Set for serial
communication run command

Term M3-M4 Sel / Com
RUN Command

H3-02

SEE

TABLE

5.2

100.0

Terminal A1 Gain Setting

Terminal A1 Gain /

(0-1000)

H3-08

SEE

TABLE

5.2

N/A

Terminal A2 Signal Level –Signal selection, 0 to 10
VDC (Drive control board switch S1-2 off) or 4 to 20
mA (Drive control board switch S1-2 on)

Term A2 Signal / 0-10
VDC