Hitachi SJ Series, User Manual

Page: 445 / 786

12-24-14
Chapter 12 About the inverter function
Terminal input monitoring mode
• Monitors whether the input terminal functions [PLA] and [PLB] are turned on.
Phase coefficient monitoring mode
• Input terminals [A] and [B] become available for pulse string inputs.
(1) Mode 0: [CA-91]=00 90° Phase difference pulse string
(2) Mode 1: [CA-91]=01 Normal and reverse rotation instr Pulse string
(3) Mode 2: [CA-91]=02 Normal rotation pulse Reverse rotation pulse string
Terminal
[A]
Terminal
[B]
Normal rotation
pulse string input
Reverse rotation
pulse string input
Number of
detected
pulses
Pulse string
input
Terminal [A]
Terminal [B]
Pulse string
input
Positive (+)
Negative (-)
Time
Number of
detected
pulses
Positive (+)
Negative (-)
Time
Pulse string
input
Terminal [A]
Terminal [B]
Normal and
reverse rotation
instruction
Number of
detected
pulses
Normal rotation pulse
string input
Reverse rotation
pulse string input
Terminal [A]
Terminal [B]
Number of
detected
pulses
Positive (+)
Negative (-)
Time