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

56
The overvoltage protection ensures safe discharge against earth potential
Screen is connected with the housing
by the cable gland off: no Bus Terminator
(delivery status)
on: Bus Terminator active
Terminal on pcb
PROFIBUS-PA PA +
Screen (clamp)
PROFIBUS-PA PA -
4-pole socket connector M12*1
C1 1.0 µF
63V =
B
S
A
B S
100R
B
S
A
n.c. A
Ш
Ш
Ш
Ш
Ш
Ш
S S
C20,01 F
R1100R
C11,0 F
A S B
A
B
APROFIBUS-P AP A-
BPROFIBUS-P AP A+
4-pole socket connector M12*1
n.c.
PROFIBUS PA distributor with screw connection
off: no Bus Terminator
(delivery status)
on: Bus Terminator active
off: no Bus Terminator
(delivery status)
on: Bus Terminator active
Terminal on pcb
PROFIBUS-PA PA +
PROFIBUS-PA PA -
C1 1.0 µF
63V =
B
S
A
B S
100R
B
A
A
Wire
Circuit diagram
Terminal on pcb
4-pole socket connector M12*1
Circuit diagram
C1 1.0 µF
63V = C2 0.01 µF
250V ~
B
S
A
B S
100R
B
S
A
n.c. A Terminal on pcb
PROFIBUS-PA PA +
PROFIBUS-PA PA -
PROFIBUS-PA
field-bus cable
PA -
PA +
37
< 25
Screen
64
58
Pressure
compensati-
on element
< 20
< 25
Technical data
Temperature range
Operating temperature - 40 to 85 ºC
Type of protection IP 66
Material of housing high-quality aluminium alloy (AL - Si 12)
Surface stove-enamelled RAL 7001
PROFIBUS-PA - Connection Screw terminals 0.5 - 1.5 mm 2 (AWG 26 - 16)
Cable bushing Cable gland PG 9 / Clamping range 4.0 - 8.0 mm
Measuring instrument connector Contact brass,
M12 x 1 4-pole Surface CuZnAu
Voltage arrestor, optional 90 V ignition voltage DC / 700 V at 1 kV/µS
2.5 KA discharge current 8/20 µs
Installation advice
Torques screw terminals 0.4 Nm
Torques 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 circuit diagram
PROFIBUS-PA T-Connector standard PROFIBUS-PA T-Connector with 3 PG cable glands
Circuit diagram Circuit diagram
PROFIBUS-PA T-Connector with 2 EMC cable glands PROFIBUS-PA T-Connector with overvoltage protection
PG 9
M12 connector
Earthing
screw M4
Ordering data
Type Cat. No.
PROFIBUS-PA T-Connector standard 8426000000
Ordering data
Type Cat. No.
PROFIBUS-PA T-Connector with 2 EMC cable glands 8426010000
Ordering data
Type Cat. No.
PROFIBUS-PA T-Connector with 3 PG cable glands 9455940000
Ordering data
Type Cat. No.
PROFIBUS-PA T-Connector with overvoltage protection 8426020000