78
T419S Indicator Service Manual
8
Option cards
J2 (DB-9) & TB1 Pinout:
J2 and TB1 provide two connectors to the same Profibus DP interface. J2 is for
standard Profibus DP DB-9 based connector cabling and TB1 is for flying lead wiring
internal to the B-TEK Indicators enclosure.
+5V and GND are used for external bus termination if the internal S2 termination
resistors are not used.
8.6.1 S2 switch settings:
On = Termination resistors Enabled/Present (Default Position)
Off = Termination resistors Disabled/Removed
Profibus-DP
J2 DB9-Female
TB1
Pin No.
Signal
Pin No.
Signal
6
+5.0@100mA
6
+5.0 Vdc
5
Ground
2
Ground
8
-Tx/Rx
4
-Signal
3
+Tx/Rx
5
+Signal
Housing Shield
1
Shield
3
RTS
Содержание T419S
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