Toa SX-2000 Series Installation - Manual (Page 122)

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• Since the control input terminals use photo couplers, they can be isolated using an external power supply
source. remove the power feed jumper and isolation jumper installed on the 16P removable terminal plugs,
then make connections as shown below:
+
-
External power supply unit
24 – 40 V DC
TT-104B
OUTPUT CHANNEL (24 V DC 0.5 A)
BE SURE TO SET
THIS SWITCH TO “ON”
AFTER INSTALLATION
ON
MEMORY
BACK UP
CHANNEL
ASSIGNMENT
OFF
ON
OFF
CAUTION
OUTPUT CHANNEL (24 V DC 0.5 A)
Note
Connect an external power supply source
to the right-side terminal of the VCC and
GND terminals.
Control input terminals
Open voltage: Under 40 V DC
Short-circuit current: 2 mA
Cable: AWG22 – 28
twisted pair cable
16P removable terminal plug
(supplied with the SX-2100AI)
SX-2100AI
Cable: AWG22 – 28
twisted pair cable