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Technical data
PS-EX1 Power Supply Unit
Classification 230 V type
Mains input
Safety output
Classification 120 V type
Mains input
Safety output
Dimensions (w x d x h)
Hole distance
Weight
Degree of enclosure protection IP 65
Ambient temperature
PS7-X Intrinsically safe data interface
Connection socket
Pin assignment
Nominal rating
Values for intrinsic safety
Recommended barriers from MTL Instruments Ltd
Type 7061 Pac or 761P
Type 7161 Pac
The TXD output of an external RS232 port must be limited by a source resistance of
approx. 300 Ω.
ATEX (EEx II 2 G); [EEx ib] II B; EX nA II T4 (Zone 2)
230 V, 50 Hz, 60 mA; U
U
: 14.3 V, I
: 2.28 A, P
o
o
L
/R
: 0.25 mH/Ω
o
o
Associated Int. Safe, output Class I, Div 1 / GP C,D
120 V, 60 Hz, 120 mA; U
U
: 14.3 V, I
: 2.28 A, P
o
o
L
/R
: 0.25 mH/Ω
o
o
235 x 80 x 60 mm
214 x 62 mm (center of mounting holes)
1.43 kg
0 to 40 ºC
9-pin socket D-subminiature, female
Pin
Pin 2
Pin 3
Pin 5
Pins 1,4,6,7,8,9 not connected
min. ±5 V at 3 kΩ
max. ±11 V at 300 Ω source resistance
U
= 11 V;
I
0
0
U
= 11 V;
I
i
i
C
= 0;
L
i
i
Channel 1/2: U
= ±9 V, I
0
working voltage = ± 7.2 V
Same data as 7061 Pac, but with additional external fuse
11
= 250 V
m
: 4.2 W, C
o
= 250 V
m
: 4.2 W, C
o
Assignment
TXD (inverted)
RXD (inverted)
GND (0V, connected to housing ground)
=
26 mA
=
26 mA
=
0
= 26 mA,
0
: 2.28 µF,
o
: 2.28 µF,
o
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