Interface To Transmission Line (X3) - ABB HITACHI EDS500 Series Manual

Device description
Pin allocation serial interface DTE (RJ-45)
8
4.5.3

Interface to transmission line (X3)

In two-wire mode X3-1 and X3-2 form terminal NF1 which is used for transmission and
reception.
In four-wire mode X3-1 and X3-2 form the transmitter terminal NF1 and X3-3 and X3-4 form
the receiver pair NF2.
Interface to transmission line (X3)
Electrical specification
Circuit classification
Plug type
Galvanic isolation
Overvoltage protection
Electrical fast transient / Burst, IEC 61000-4-4 4 kV (level 4), criterion A
Surge 1.2/50 µs, IEC 61000-4-5
Surge 10/700 µs, IEC 61000-4-5
Conducted disturbances, induced by radio-
frequency fields, IEC 61000-4-6
Conducted, common mode disturbances
in the frequency range 0 Hz to 150 kHz,
IEC 61000-4-16
NF terminals
2-wire
4-wire
1KGT151042 V000 1
RS-232-D
Pin
1
2
3
4
5
1
6
7
8
Transmit
NF1: X3-1 and X3-2
NF1: X3-1 and X3-2
Signal V.24 Signal V.28
DSR M1 107
DCD M5 109
DTR S1 108.2
GND GND
RxD C2 104
TxD D1 103
CTS M2 106
RTS S2 105
following ITU-T
ES2 (acc. IEC 62368-1)
Phoenix Contact MSTBT 2,5/4-ST
3 kV isolation voltage
line to earth ±4 kV, line to line ±2 kV
4 kV line to earth, 2 kV line to line (level 4), cri-
terion B
2 kV line to earth, 1 kV line to line (level 3), cri-
terion B
10 V (level 3), criterion A
30 V continuous disturbance/ 300 V short
duration disturbance (level 4), criterion A
Receive
NF1: X3-1 and X3-2
NF2: X3-3 and X3-4
Connections
Direction
output
output
input
-
output
input
output
input
25