Annex A
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2021-05-06·BA00·III·en·00
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Termination board and
connecting cable for Zone 2
Series 9491
14
Annex A
14.1 Technical Data
Explosion Protection
Global (IECEx)
Gas
IECEx TUR 19.0072X
Ex ec IIC T4 Gc
Europe (ATEX)
Gas
TÜV 19 ATEX 8462 X
E
II 3 G Ex ec IIC T4 Gc
Certifications and certificates
Certificates
IECEx, ATEX
Further parameters
Installation
In Zone 2, Zone 22 and in the safe area
Further information
see respective certificate and operating instructions
Technical Data
Version
Type 9491/T1-08-0.
Type 9491/T1-16-0.
Electrical data
Signal type
Analogue input/output
Digital output
Signal type
2-wire AI/AO;
3-/4-wire AI
24 V/0.5 A DO;
Low power 6 V/2 mA DO
Channels
8
16
Nominal voltage U
N
,
analogue
21 V DC
–
Nominal current,
analogue (In/Out)
0 to 24 mA
–
Nominal voltage U
N
,
digital
–
24 V DC (18 to 32 V DC)
Nominal current,
digital (Out)
–
0 to 0.5 A
Auxiliary power
Power supply
None
Polarity reversal
protection
Yes, mechanical
Input
Input
Primary, redundant
Function
Connection to I/O modules
Compatible
I/O modules
9469/35
9471/35, 9472/35
Number of
channels
2
4
Number of
required
connection
cables
2
4
