Accessories
B.4 Cables, connecting cables
TIM 1531 IRC
312
Operating Instructions, 02/2018, C79000-G8976-C468-02
Figure B-6 6NH7701-0AR
B.4.2
Cable for RS-485 connection
Accessories for RS-485 operation of the serial interface
Excerpt from the Siemens accessories program PROFIBUS or RS-485 operation
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Cable
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PROFIBUS FC standard cable GP, bus cable 2-wire, shielded, special design for fast
installation, sold by the meter
02YSY (ST) CY, 1x2x0.64 / 2.55-150 VI KF 40 FR
Article number: 6XV1830-0EH10
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Terminating resistor
In a network in RS-485 operation the terminating resistor of the bus cable is turned on or
off by the STEP 7 configuration.
The connecting cable for the serial interface in RS-485 operation must be assigned as
follows:
Figure B-7 Assignment of the cable for the RS-485 interface