MAN0923_Issue 3_04/15 Touchpoint Pro
Operating Instructions
46
4. Electrical Installation
4.3.1 Ring Network
The external ring network cabling should be shielded twisted pair cable. The terminals will accept a
maximum wire size of 1.5 mm
2
.
4.3.2 Field devices
Fielddevicecablingshouldbeappropriatetotheareaclassication,andinaccordancewiththedevice
manufacturer’srecommendations.Refertolocalandnationalregulationswhereappropriate,andtheeld
devicemanual.Allsensoreldcablesmustbescreenedinordertoensurecorrectoperationofthesystem
and to meet European Standards for RFI and EMC.
Ensurethatthemaximumloopresistanceisnotexceeded,asspeciedbythedevicemanufacturer.
Take account of voltage drops due to line resistance to ensure that the correct voltage level is present at the
elddevice,asspeciedbythedevicemanufacturer.
The I/O modules will accept wire sizes to a maximum of 2.5 mm².
4.3.3 Power Supplies
Power supplies can be in the range 100 - 240 Vac, 50/60 Hz, single phase, or 24 Vdc nominal (18 - 32 Vdc).
Useapprovedsupplywiringratedinaccordancewiththeratingplateonthespecicsystem,inaccordance
with local and national regulations. The Touchpoint Pro power supplies will accept wire sizes in the range
0.5 - 6 mm
2
(solid wire), 0.5 - 4 mm
2
(stranded wire) or 20 - 10 AWG.
4.3.4 Bus interfaces
Please refer to the appropriate appendix.
4.3.5 Ethernet
Ethernet cable must be CAT5e or CAT6 Ethernet cable terminated to TIA/EIA-568B standard. The cable
should have shielded RJ45 plugs with the shield of the cable connected to the metal body (shield) of the
connectorplug.Thecablelengthshouldnotexceed100m.TheEthernetcableshouldbettedthrougha
gland.
4.3.6 Touchpoint Pro Battery Box
The cable between the Touchpoint Pro System UPS and the Touchpoint Pro Battery Box must be 4 mm
2
,
UL/CSAapprovedwiringmaterial,tri-rated(105°C).ThemaximumcablelengthbetweentheBatteryBox
and the UPS is 5 m. Bootlace ferrules must be used on all terminations.