Installation
4-2
BA2131EN
Pos. Name/Meaning
2131
1
3
2
5
4
7
8
6
24 V D C
+ -
1 Green bus LED the voltage supply of the fieldbus module 2131
ON:
ON: 2131 fieldbus module is supplied with voltage and is connected to the controller.
OFF:
2131 fieldbus module is not supplied with voltage; controller or external voltage supply is
switched off.
BLINKING:
2131 fieldbus module is supplied with voltage but is not connected to the controller
(controller is switched off, in initialization or not available).
2131pfb001
2131
1
3
2
5
4
7
8
6
24 V D C
+ -
2 Yellow bus LED for the communication of the fieldbus module 2131
ON:
2131 fieldbus module is initialized but does not communicate with the PROFIBUS-DP from
the master.
OFF:
2131 fieldbus module is not initialized yet.
BLINKING:
PROFIBUS-DP communication is active
Fig. 4-2 2131 fieldbus module
3 Green drive LED (DRIVE)
Operating status of the 82XX or 93XX controllers. (See Operating Instructions of the
controller.)
4 Red drive LED (DRIVE)
Operating status of the 82XX or 93XX controllers. (See Operating Instructions of the
controller.)
5 PROFIBUS-DP connection
9 pole SubD pin connector (see chapter 4.1.2)
6 Connection for external voltage supply (24 V DC
10%)
External voltage supply for the 2131 fieldbus module (see chapter4.1.3).
Always required for 820X ! For others as option.
7 Fixing screw for the 2131 fieldbus module
8 Only required for 820X, 821X: additional PE screen cable, which avoids EMC related
communication interferences in especially noisy environments.
4.1.2 9 pole SubD pin connector
View Pin Name Explanation
1 PE Earth
5
2 free -
4
9
3 RxD/TxD-P Data transfer B
3
4 RTS Request To Send
2
6
5 M5V2 Data reference potential
1
6 P5V2 5VDC
1)
7 free -
8 RxD/TxD-P Data transfer A
9 free -
1) Total current approx.60 mA
4.1.3 Plug-in terminal for 2 pole male plug (external supply voltage)
Name Input/output Explanation
+ Input External voltage supply + 24 V DC/
á
10 %, 60 mA
- Input GND; reference for external supply
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