Installation
4-2
L
_^ONMObk
Pos. Name/Meaning Note
1 Green bus LED (voltage supply)
ON: Fieldbus module has connected with the controller.
BLINKING: 2102 fieldbus module is supplied with voltage but is
not connected to the controller (controller is switched off, in
initialization or not available).
2 Yellow RxD-LED For receiving signal:
BLINKING: Drive unit receives telegram
3 Yellow TxD-LED For sending signal:
BLINKING: Drive unit transmits response
4 9-pole SubD fema le plug for the RS232/RS485 interface only with 2102IB.V901/2102.V904
5 Fixing screw
6 4-pole clamp-plug connection for RS485 interface only with 2102IB.V901/2102.V904 and
2102IB.V902/2102.V905
7 Operating status display f or the controller
8 Optical-fibre transmitter (white) only with 2102IB.V903/2102.V906
9 Optical-fibre receiver (black) only with 2102IB.V903/2102.V906
10 S witch S1 for optical-fibre t ransmission rate:
OFF: normal transmission rate (0 to 40m)
ON: = high transmission rate (10 to 66m)
only with 2102IB.V903/2102.V906
11 Connection for external voltage supply (24 V DC ± 10 %)
12 PE connection (only for 82XX)
Fig. 4-2 - RS 485 cable (no drawing) o nly with 2102IB.V901/2102.V904 and
2102IB.V902/2102.V905
4.1.2 Female plug for 9-pole SubD plug (LECOM-A/B)
Pin Name Input/output Explanation
1 - - Not assigned
2 RxD Input Data receiving wire RS232
3 TxD Output Data transmitting wire RS232
4 DTR Output Transmission control RS232
5 GND - Reference potential
6 DSR Input Not assigned RS232
7 T/R(A) Input/output RS485
8 T/R(B) Input/output RS485
9 Vcc5 Output Supply +5 V / 10 mA
4.1.3 Plug-in terminal for 4-pole male plug (LECOM-B)
Pin Name Input/output Explanation
71 T/R(B) Input/output RS485
72 T/R(A) Input/output RS485
88 S-C - Capacitive screening to PE
89 S - Direct screening to PE
4.1.4 Plug-in terminal for 2-pole male plug (external voltage supply)
Pin Name Input/output Explanation
39/− GND24 - Reference potential for external supply
59/+ Vcc24 Input External supply 15 to 30 V DC (see chapter 4.3)
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