5
2. Panel Information and Control Terminals
2-1. Panel information
■
Trimmer adjusters
POWER
: Internal power adjustment
SOFT START
: Soft start time adjustment
H/B SET
: Heater break alarm setting
AUTO POWER
: Automatic power adjustment
(Note 4)
START UP LEV.
: Start-up time output limit level
(Note 4)
START UP TIM.
: Start-up time output limit time
(Note 4)
■
Monitor lamps
PL
: Power supply normal
Green lamp lights.
Open phase/phase sequence abnormal
/frequency abnormal
Red lamp lights. (Note 5)
O.C.
: Over-current protection action display
FUSE
: Rapid fuse blown (Note 4)
H/B
: Heater break alarm action display
O.H.
: Internal temperature abnormal alarm display
Note 4: Activate when the corresponding option is added.
Note 5: Abnormal frequency means a power supply frequency of about 44 Hz or below or about 65 Hz or above.
2-2.
Control terminals and symbols
No.
Code
Brief Description of Function
Remarks
21
RS485
䇲
A
RS-485 communication input/output (+)
When communication
function is selected in
control mode
22
RS485
䇲
B
RS-485 communication input/output (-)
1
C(+)
Control signal input (+)
2
C(-)
Control signal input (-)
3
VR-
External power adjuster
(VR1) connection terminal
Base power/manual power adjuster (VR2)
connection terminal
VR1-Red (1)
VR2-Red (1)
4
VR1
VR1-White (2)
---
5
VR2
---
VR2-White (2)
6
VR+
VR1-Black (3)
VR2-Black (3)
7
DI
䇲
COM
Base power/manual power selection (DI1) and
start-up time output limit time synchronization signal (DI2)
connection terminals
8
DI1
9
DI2
10
VR-
Current limit setting device connection terminal VR3-Red (1)
Option
11
VR3
Current limit setting device connection terminal VR3-White (2)
Option
12
VR+
Current limit setting device connection terminal VR3-Black (3)
13
AUTO
䇲
P+
Automatic power signal input (+)
Option
14
AUTO
䇲
P-
Automatic power signal input (-)
15
16
ALM
䇲
C
Over-current protection action /internal temperature abnormal/fuse
blown (Option)
Alarm output
17
ALM
䇲
N.O.
18
ALM
䇲
N.C.
19
H/B ALM
Heater break alarm output
20
H/B ALM
Wire diameter: 28-12AWG, Use wire with a strip length of 7.0 mm.
Use the terminal attached to the instrument.
