Accessories; Mtl5500 Power Bus - Installation And Use - Eaton MTL5501-SR Instruction Manual

3 .2 .2 .3
Wire up individual isolators in accordance with wiring schedules. Daisy-chain power supply
connections between individual power plugs or use the power bus (see section 4.1).
Segregate hazardous- and safe-area wiring into separate trunking or looms wherever possible to
avoid errors and maintain a tidy installation.
Use an MTL5599 dummy isolator to provide termination and earthing for unused cores from the
hazardous area.
4
4 .1
4 .1 .1
A power bus kit enables power supply terminals (13 and 14) of up to 32 installed MTL5500 range of
units to be linked to a standard 24V power supply. The bus consists of a chain of power plugs and
different lengths are available to suit various numbers of modules as follows.
4 .1 .2
1.
2. If the number of modules is less than the maximum number the chain will support, cut off
3. Insert power plugs into the power terminals on the safe- area side of each module in sequence.
4. Connect the power supply source to the tail end of the chain (using the insulation displacement
Notes:
1.
2. Surplus sections can be used (and, if required) connected together provided the cut ends are
safely terminated and/or connected together. Use single ferrules with a crimp tool or insulation
displacement connectors (Scotchloks). Suitable ferrules and connectors are provided with the kits.
6
Finishing

ACCESSORIES

MTL5500 power bus - Installation and use

MTL5500 range power bus
Number of modules
1 to 8
9 to 16
17 to 24
25 to 32
Table 4 .1: Power bus kit options
Installation
Check to make sure the bus length is correct for the number of modules involved.
the surplus power plugs at the tail end of the chain - leaving sufficient cable to attach further
power plugs if it becomes necessary later.
connectors [Scotchloks] provided if required).
To avoid excessive voltage drop or over-current, DO NOT connect power buses in .
Figure 4 .1: Power bus wiring, joining and terminating
Kit ID code
(contains grey power plugs for 24V dc supply)
PB-8T
PB-16T
PB-24T
PB-32T
– +
x2
Optional insulation
displacement
connectors
INM 5500 Rev 10