VEGA PROFIBUS PA T-Connector EEx (ia) - Manual (Page 7)

68
PROFIBUS PA distributor with screw connection
Technical data for pages 68-69
Temperature range/operating temperature - 40 to 60 ºC
Type of protection IP 66
Material of housing high-quality aluminium alloy (AL - Si 12)
Surface stove-enamelled RAL 5015
PROFIBUS-PA - Connection Screw terminals 0.5 - 1.5 mm 2
(AWG 26 - 16)
Cable bushing Cable gland PG 9
Clamping area 6.0 - 11.0 mm
Measuring instrument connector
M12 x 1 4-pole contacts brass, surface CuZnAu
PTB certificate no. Ex-98.E.2041 (EEx ia IICT6)
Electric circuits Ui = 15 V; Ii = 208 mA;
Pi = 1.95 W
Installation advice
Torques
Screw terminals 0.4 Nm
PG cable gland on housing 6.0 Nm
Coupling ring PG cable gland 4.0 Nm
Housing lid 1.8 - 2.0 Nm
Adapter/stub cable hand-tight
External earthing cable 1.8 - 2.0 Nm
The use of a cable shoe is recommended
Connection according to diagram
Earthing-
screw M4
58
64
50
123
< 25
45
PROFIBUS-PA
field-bus cable
PROFIBUS PA T-Connector PROFIBUS-PA T-Connector with bus terminator
34
EEx(ia) with bus terminator
Comment:
The customer’s earthing concept is to be followed.
The screen-housing connection is not used in the connecting box. If necessary, a connection
must be added.
On the EEx(ai) version, an external bus terminator is required at the end of the bus system.
“Profibus-PA T-Connector- EEx (ia) with external bus connection”
Ordering data
Type Cat. No.
PROFIBUS-PA T-Connector EEx(ia) 8426060000
Ordering data
Type Cat. No.
Terminator EEx (ia) 8426070000