Siemens SIMATIC NET PROFIBUS manual Technical Data of the 12M Bus Terminal, Climatic Conditions

Passive Components for RS-485 Networks

4.7.7Technical Data of the 12M Bus Terminal

Technical Data of the 12M Bus Terminal
Connector to DTE	9-pin sub-D male connector
Transmission rate	9.6 Kbps to 12 Mbps
Power supply	DC 5 V ± 5%
	safety extra-low voltage (SELV) complying with
	EN 60950
Current consumption	90 mA at 5 V
Total power dissipation	0.45 W
Value factor	0.1
	In operation at 1.5 Mbps along with
	RS-485 bus terminal.
	(See Section: “Network Configuration”)
Electromagnetic Compatibility
Noise emission
limit class	B complying with EN 55022=CISPR 22
Noise immunity on signal lines	+/– 2 kV (to IEC 801-5 / IEC 1000-4-5, surge)
	+/– 2 kV (to IEC 801-4 / IEC 1000-4-4, burst)
Noise immunity to static electricity discharge	+/– 6 kV, contact discharge (to IEC 801-2; ESD /
	IEC 1000-4-2)
Noise immunity to high-frequency interference	10 V/m with 80% amplitude modulation at
	1 kHz,
	80 MHz – 1 GHz (to IEC 801-3 / ENV 50140)
	10 V/m 50 % on time at 900 MHz (to ENV
	50204)
	10 V with 80 % amplitude modulation at 1 kHz
	10 kHz – 80 MHz (to IEC 801-6 / ENV 50141)
Climatic Conditions
Operating temperature	0 to 60 ° C
Storage/transport temperature	–40 to 70 ° C
Relative humidity	max. 95% at +25 ° C no condensation

PROFIBUS Networks SIMATIC NET	4-61
6GK1970-5CA20-0AA1 Release 2 05/2000