Matsusada Precision VOL Series Instruction Manual page 49

① Independent operation or separate contacts of the external relay available for the individual
units.
Power supply unit
Internal circuit
-S
5k Ω
(common)
100 Ω
-S
(common)
② Turning ON/OFF with power supply units serially connected
Pins4 and 8 can be used floating (-S(common) to 100V)
Power supply unit
Internal circuit
680 Ω
③ To make ON/OFF of ① and ② to OFF/ON(to reverse the logic). To make ① OFF/ON, app.
5V between pins8 and 4. To make ② OFF/ON, OPEN the jumper between the pins 10 and 21.
When 5V is applied between pins 8 and 4, it is turned ON. Stopping application of 5V turns it
OFF.
TB1
User connection
10
21
External relay
TB1
User connection
8
4
39
TTL LOW ＝ OUTPUT ： ON
TTL signal
-
TTL HIGH ＝ OUTPUT ： OFF
Or
+
External relay SHORT ＝ OUTPUT ： ON
External relay OPEN ＝ OUTPUT ： OFF
5VDC ON
+
5VDC
5VDC OFF
10mA
６ Advanced Operation
＝ OUTPUT ： OFF
＝ OUTPUT ： ON
MATSUSADA Precision Inc.