227865 / 9185612310
2015-12-17·BA00·III·en·02
Technical data
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Fieldbus Isolating Repeater
Series 9185
Safety data
Max. voltage U
o
3.73 V
Max. current I
o
149 mA
Max. power P
o
139 mW
Connection of
intrinsically safe
fieldbus circuit
RS-485 / RS-485 Ex i
Max. permissible
voltage U
i
± 4.2 V
Internal capacity
C
i
and inductivity
L
i
negligible
Insulation voltage 253 V
Technical Data
Electrical data
Auxiliary power
Nominal voltage
U
N
24 V UC
DC voltage range 18 ... 31.2 V
AC voltage range
24 V ± 15 %
Residual ripple
within DC voltage
range
(
3.6 V
SS
Nominal current
(24 V)
66 mA
Power input
1.6 W
Field side interface
(X3)
Version
RS-485 IS intrinsically safe, RS-422/RS-485
Level
setting: RS-485 IS (PNO specification) and RS-485 IS
(R. STAHL specification)
Connections
Sub-D socket X3, 9-pole
Transmission rate 1.2 kBit/s ... 1.5 MBit/s
Settings
fixed transmission speed or automatic detection > 9.6 kBit/s
(only with Profibus DP)
Conductor length
depends on transmission rate and cable
Terminating
resistor
to be set in external plug
Data transmission
indication
LED green "RxD3"
Safe area interface
(X1)
Version
RS-232 C
Connection
Sub-D plug X1, 9-pole
Explosion Protection