9400 6 031 005 1
1 of 1
2016
03.03. Bagusch
Kaiser
IS1 resp. IS1+ Remote I/O System
Intrinsically Safe RS 485
Fieldbus Connection
01 09.03.2018 Bagusch
Intrinsically safe RS 485 for Fieldbus connection:
CPM Type 9440/12-01-11
Connections: X1, X2, X3, Pin 8, Pin 3
Maximum safety values:
V
OC
=
3.7 V; I
SC
= 107 mA; P
O
= 96 mW
(linear characteristics)
CPM Type 9440/22-01-11 and 9440/22-01-21
Connections: X1, X2, X3, Pin 3, 5, 6, 8
Maximum safety values:
V
OC
=
3.7 V; I
SC
= 134 mA; P
O
= 124 mW
(linear characteristics)
CPU Module 9441, Power Module 9444 and Socket 9492
Servicebus interface (X9 d-Sub connector at the sockets)
Maximum safety values:
V
OC
=
3.7 V; I
SC
= 134 mA; P
O
= 124 mW
(linear characteristics)
Fieldbus Isolating Repeater Type 9185/11-35-10
Connections: X3, Pin 3, 5, 6, 8
Entity parameters:
V
OC
=
3.73 V
I
SC
= 149 mA
P
O
= 139 mW
V
i
= 4.2 V
Fiber Optic Isolating Repeater Type 9186/12-11-1*
Connections: X1, Pin 3, 5, 6, 8
Entity parameters:
V
OC
=
3.7 V
I
SC
= 148 mA
P
O
= 137 mW
V
i
= 4.2 V
For the connection to an intrinsically safe RS 485 Field bus system
with the type of protection intrinsically safe Class I, II, III, DIV 1, Group
A-G; Class I, Zone 1, AEx ib IIC
1.
Maximum voltage value of each pair of terminals:
V
max
<
3.75 V
2.
Maximum current value of the sum of terminal pairs:
I
t
=
2.66 A
3.
Wiring: cables with the following parameters:
L´
1.2 mH / km [0.366 mH / 1000 ft]
R´
>
2 x 40 ohms / km [24.39 ohms / 1000 ft]
(loop resistance)
C´
250 nF / km [76 pF / ft]
Standard wire diameter
0.2 mm (#34AWG)
Concentrated inductances and capacitances are not permissible
along the intrinsically safe RS 485 Field bus system.
4.
Associated electrical apparatus
5.
Intrinsically safe apparatus
6.
Terminating resistor Z: value > 143 ohms + 1%, > 400 mW, with a
thermal rating of 140 K/W. This resistor is included in the STAHL
Fieldbus connector.
7.
Installation should be in accordance with Article 504/505 of the
National Electrical Code, ANSI/NFPA 70 and ANSI/ISA
RP12.06.01.
8.
Installation in Canada should be in accordance with the Canadian
Electrical Code, CSA C22.1, Part 1
9.
For Installation in Division 1 or Zone 1 see also Certification
drawing for IS1 resp. IS1+ Remote I/O System No. 9400 6 031
003 1 as part of the documentation of the CPU & Power Modules.
10. For Installation in Division 2 or Zone 2 see also Certification
drawing for IS1 resp. IS1+ Remote I/O System No. 9400 6 031
004 1 or 9400 6 031 006 1 as part of the documentation of the
CPU & Power Modules.
Class I, II, III, Division 1, Group A-G
or Class I, Zone 1, Group IIC/IIB
Hazardous (Classified) Locations
Nonhazardous or
Division 2 / Zone 2 Installation
Содержание is1+ 9441 Series
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