GESTRA NRS 1-40, Оригинальное руководство по установке

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Terminal strips
!
Screws for terminal strip
"
Enclosure
§
Mounting rail TS 35 x 15 DIN EN 50022
Key
Installation
– continued –
UNITRONIC ® is a registered trademark of LAPP Kabelwerke GmbH, Stuttgart
Electrical Connection
Control cable
NRS, NRR, LRR, TRS, URB 1
Note that screened multicore twistedpair control cable is required for the BUS line, e.g. UNITRONIC
®
BUS CAN 2 x 2 x ... mm
2
or RE2YCYVfl 2 x 2 x ... mm
2
.
Control cable assemblies (2 x 2 x 0.32 mm
2
with connector and coupler) of various lengths are
available as optional extra.
NRG, LRG, EF, URZ, TRV, URB 2
The equipment is fitted with a sensorconnector union (5 poles, Acoded). For the connection of the
BUS devices control cable assemblies (with connector and coupler) of various lengths are available as
optional extra.
Note that the recommended control cables are not UV resistant and, if installed outdoors (apart from
URB 2), must be protected by a UV resistant plastic jacket or a cable duct.
The baud rate (data transfer rate) dictates the cable length and conductor size of the cable between
the bus nodes. The total power consumption must also be taken into account when selecting the con
ductor size. The total power consumption is calculated from the number of bus nodes.
If the cable length between the steam boiler and the control cabinet exceeds 15 m, we recommend
that you fit a branching box that is resistant to electromagnetic interference (stock code no. 1501214)
and to use a control cable with a larger conductor size for the distance to the control cabinet.
S 8 S 9 S 10 Baud rate Cable length
Number of pairs
and conductor size [mm
2
]
OFF ON OFF 250 kBit/s 125 m
2 x 2 x 0.32
Factory setting
ON ON OFF 125 kBit/s 250 m 2 x 2 x 0.5
OFF OFF ON 100 kBit/s 335 m 2 x 2 x 0.75
ON OFF ON 50 kBit/s 500 m
on request, dependent on
bus configuration
OFF ON ON 20 kBit/s 1000 m
ON ON ON 10 kBit/s 1000 m
The baud rate is set via the code switch
9
. Make sure that all bus nodes have the same settings.