User guide
System Hardware
4.2.5 Connection between EAU-321 and EAU-341
Communication Cable XBA-055 is used between the Serial
Communication Board EAU-321 and AutroFieldBus Driver Board
EAU-341. An alternative is to use the break-out box (Autronica Fire
and Security article no 7366-001.0020)
25
26
27
3
5
9
EAU-341
AutroSafe EAU-321
via ribbon cable and termination
block
EAU-341 Panel communication
PORT 0
Terminal
block (AFS
art no:
7366-
001.0020)
25
26
27
3
5
9
EAU-341
AutroSafe EAU-321
via XBA-055
PORT 0
COM3 in
AutroSafe
AutroSafe
EAU-321
(Com 3/4)
Ribbon
cable
Max 3m cable length
XBA-055 Max 3m cable length
See also datasheets for EAU-321 and EAU-341.
4.2.6 Capacity / Limitations
• If the cable is armoured, this should be connected to the
protective earth (PE) at both ends.
• Maximum one EAU-341can be used for each panel.
• Maximum 31 AutroFieldBus units can be connected to the
AutroFieldBus.
• Maximum cable length between the EAU-321 and
EAU-341board is 3m. The cabling must be within the same
encapsulation.
• See also datasheet for EAU-341.
System Description, AutroSafe Integrated Fire & Gas Detection System, 116-P-ASAFE-IFG/XE Rev. B, 2005-10-27,
Autronica Fire and Security AS
Page 16