Electrical connections, Electrical connections 28 – Badger Meter SRD/SRI Valve Positioners User Manual

Page 28

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ELECTRICAL CONNECTIONS

Observe

"Safety Requirements" on page 66

Different threads

can be supplied with cable gland—please verify marking at

housing!
Unused cable entries must be closed with blanking plugs

with the appropriate explosion-proof certification (the plastic

plugs are only to avoid damage on shipping)
Feed in the bus cable through the gland 1 The gland is

suitable for cable diameters of 6…12 mm (0 24…0 47 in)

Observe the tightness of the cable entry
Make the electrical connection of the input line at the screw

terminals 3, whereby with Fieldbus devices no polarity has

to be observed The terminals are suitable for wire cross-

sections of 0 3…2 5 mm

2

(22…14 AWG)

For devices with communication, the shield of the bus

connection is:
• with conductive cable glands (recommended) directly

connected with the housing

• with non-conductive cable glands to be placed onto the

inner screw terminal 4

NOTE:

N

When connecting shielded cable, connect the

cable shield on both sides (on the positioner as well

as on the system side) For selection of cable, see

recommendation for cable types according to IEC

1158-2

For connection to a local ground, the internal and external

ground terminal 4 can be used

Page 28

Electrical Connections

August 2014

POS-UM-00009-EN-02

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