Endress+Hauser Memograph M RSG40 Manuel page 27

R
L
To modem: Cable with
14
25 pol. Sub-D socket
1
2 3
To modem: Cable with
6
9 pol. Sub-D socket
1
To PC: Cable with 2 3
25 pol. Sub-D 14
plug
1
2 3
To PC: Cable with
6
9 pol. Sub-D plug
1
RxD - 3 GND - 5
2 3
TxD - 2
4.1.2 Circuit diagram
8
9
Further units
Power supply
100-230 VAC 24 V AC/DC
(±10%) (-10%; +15%)
50 / 60 Hz 50 / 60 Hz
L+ N- PE
Rel. max. 250 V / 3 A
RS 232
25
7
13
5 8 9
9
5
5 8 9
25
7
13
5 8 9
9
Ethernet
5
LED LED
5 8 9
green yellow
RTD
I
+
U
-
a) > 1 V
TC
+
Pulse/
frequency
-
24 V
Fig. 3: Circuit diagram
NOTICE
Depending on the order, slot 5 can be assigned different cards (analog or digital inputs/
outputs). When connecting, please take the corresponding terminal diagram into account.
R =
Cable
L
resistance
RxD/TxD(+)
RxD/TxD(-)
Analog
outputs (O)
(Selectable in unit setup)
1 2
Pulse
+ - + -
1 2
0...20 mA;
+ - + -
4...20 mA
>20 ms
5 1
9 6
USB RS 232 / RS 485
Bus Interface
x1 x2 x3 x4 x5 x6 x1 x2
+
-
x5 x6
x1 x2 x3 x4
+
-
£
b) 1 V
+
-
x1 x2 x3 x4 x5 x6
R=1.2 k
+
-
RS 485
Digital in (D)
12-24 VDC
>5 mA
_
+
24 V -
GNDx GNDx
Dx1 Dx1
10k
24 V +
-
+
24V 24V Out: max. 250 mA
Out
-
Power supply slot
(standard)
Slot 5
analog input 17-20 or digital-I/O (option)
Slot 4
analog input 13-16 (option)
Slot 3
analog input 9-12 (option)
Slot 2
analog input 5-8 (option)
Slot 1
analog input 1-4 (option
Interface slot
Analog inputs
x3 x4 x5 x6 x1 x2 x3 x4
0...20 mA, 4...20 mA, 0...5 mA
£ £
(Volt drop 1 V, R 50 Ohm)
i
U max. = 2.5 V
a) 0...5 V, 1...5 V, 0...10 V, +/- 10 V, +/- 30 V
b) 0...1 V, +/- 150 mV, +/- 1 V
a) U max. = 35 V
b) U max. = 24 V
J, K, T, N, L, D, C, B, S, R
U max. = 24 V
>30 µs
LOW = 0...7 mA
HIGH = 13...20 mA
U max. = 2.5 V
Wiring
_
12-24 VDC
+
)
x5 x6
Pt46, Pt50, Pt100,
Pt500, Pt1000,
Cu50, Cu53, Cu100
27