Rockwell Automation 2706-P42R_P42C_P43R_P43C_P44R_P44C_P72CNx_P74CNx InView Marquee Message Display - Manual (Page 16)

Publication 2706-IN006E-EN-P
InView Marquee Message Display 15
4. If the sign is to be used with serial communications, remove one
or both of the hole plugs from the lowest holes on the right end
of the sign case. Otherwise, proceed to Step 6.
9. Connect the incoming serial wires per pinout.
TB1 can be used for incoming RS-485 or RS-232 serial
connection. They cannot be connected at the same time.
RS-485 is recommended to reduce undesirable electrical
interference.
Power connection
LINE 1 GR
OUND LINE 2 OR NEUTRAL
LINE 1 GR
OUND LINE 2 OR NEUTRAL
208 - 240 VAC INPUT
Neutral
(Line 2):
Line
(Hot)
Ground
GREEN
w/
Serial device hole
plug/opening
Right-end view
TIP
TB1 can be used for incoming serial connection for
RS-232 or RS-485. The full pinout diagram is shown
below:
TB1 - Full
1. GND 5. RS-485(+)
2. +5V 6. RS-485(-)
3. RS-232 TX 7. NC
4. RS-232 RX 8. SHIELD
TB1 - RS-485
1. NC 5. RS-485(+)
2. NC 6. RS-485(-)
3. NC 7. NC
4. NC 8. SHIELD