Siemens SIMATIC NET PROFIBUS manual Pinout of the Sub D Connector PG/OP Connector

Active Components for RS-485 Networks

Technical Specifications

Table 5-2 lists the technical data of the RS-485 repeater:

Table 5-2 Technical Data of the RS-485 Repeater

Technical Specifications

Power supply
S	Rated voltage	24 V DC
S	Ripple (static limit)	20.4 V DC to 28.8 V DC
Power consumption at rated voltage
S Without load on the PG/OP connector		200 mA
S Load on the PG/OP connector (5 V/90 mA)		230 mA
S Load on the PG/OP connector (24 V/100 mA)		300 mA
Electrical isolation		yes, 500 V AC
Transmission rate (detected automatically by		9.6 Kbps, 19.2 Kbps, 45.45 Kbps,
repeater)		93.75 Kbps, 187.5 Kbps, 500 Kbps,
		1.5 Mbps, 3 Mbps, 6 Mbps 12 Mbps
Degree of protection		IP20
Dimensions W H D (in mm)		45 128 67
Weight (including packing)		350 g

Pinout of the Sub D Connector (PG/OP Connector)

The 9-pin sub D connector has the following pinout:

Table 5-3 Pin Assignment of the 9-Pin Sub D Connector PG/OP Connector

Layout

Pin no.

Signal name

Meaning

1

–

–

5
4	9
3	8
	7
2	6
1

2	M24V	Chassis 24 V
3	RxD/TxD-P	Data line B
4	RTS	Request To Send
5	M5V2	Data reference potential (from station)
6	P5V2	Power supply plus (from station)
7	P24V	24 V
8	RxD/TxD-N	Data line A
9	–	–

5-4	PROFIBUS Networks SIMATIC NET
	6GK1970-5CA20-0AA1 Release 2 05/2000