Panasonic ELC500 User Manual page 21

(3) COM0 port (RS-232C)
1-channe for 3-wire RS-232C port
(4) GT power supply output port
It can be used for power supply to our GT series.
Use one, 5V DC or 24V DC according to the using model.
Note
GT power supply output port is designed to use for our GT series. Do not use for another
usage. GT power supply output terminal and COM 0 port (RS-232C) is insulated internal.
(5) Power supply connector
Connect to external power supply (24V DC).
Do not connect it when using power supply unit.
No.
1
RS-232C COM. 0
2
3
No.
1
Power supply
2
for GT
3
* Connect 24V or 5V terminal to + terminal of GT series and
0V terminal to - terminal of GT series.
Signal
SD Transmitting data
RD Receiving data
SG Ground for signal
Signal
24V
OUTPUT 5V
0V
13
ELC500 Control unit
Function Direction
Output
Input
---
Function Direction
24V ---
5V ---
0V ---