4 Normal Operation
23
R4G/R4GE series
LOCK
OCP
SET
OVP/
CV
CC
V
A
OUTPUT
REMOTE
4-9
-LD (Interlock)
(only for R4G series)
-LD (Interlock) turns off the output.
When between PIN 7 and PIN 10 of the remote connector, TB1, is open, the screen will display
"Ld/Err4" and the unit turns off the output. (Interlock: OFF)
When between PIN 7 and PIN 10 of the remote connector, TB1, is closed, the output is available.
(Interlock: ON)
Between PIN 10 and PIN 17 of the remote connector, TB1, is left open at factory shipment. (Interlock:
ON)
However, the unit can output since the door switch function is disabled.
In the R4G series, the -LD (Interlock) function can be set ON or OFF in the startup menu.
When "on" is set, the -LD function will be enabled. When "oFF" is set, the -LD function will be disabled.
Internal circuit
+S
(common)
TB1
7
10
TTL signal
4.7kΩ
100 Ω
+S
(common)
-
+
External relay
External
connection
TTL LOW ＝ OUTPUT: ON
TTL HIGH ＝ OUTPUT: OFF
or
External relay CLOSE = OUTPUT : ON
External relay OPEN = OUTPUT : OFF
Turn the current setting dial to select "on" or
"oFF" of the -LD (Interlock) function.
VOLTAG
E
CURREN
T
Current setting dial
