Endress+Hauser memo-graph Version II Betriebsanleitung Seite 59

Connection plan:
Attention:
Should there be a possibility of high energy transients on long signal cables it is
recommended that an overvoltage protector be connected.
Screened signal cables are recommended on the following:
• RTDs, thermo-couples, ranges <1 V.
• When using the serial interfaces.
Power supplies:
90...253 V power supply, 50/60 Hz
L: Phase L
N: Neutral N
PE: Earth/protection cable
Analogue inputs:
The first character (x) of the three digit terminal number is the respective channel
number (1.. to 8..: channels 1 to 8, or A.. to H..: channels 9 to 16).
Current
x11
x12
x13 -
x14 +
Digital inputs on the power supply board:
91 Digital input 1
92 Digital input 2
93 Digital input 3
94 Digital input 4
95 Digital input 5
96 Digital input 6
97 Digital input 7
Digital inputs on the digital board (s)
Digital board I
191 Digital input 8
192 Digital input 9
193 Digital input 10
18...30 V power supply, 0/50/60 Hz:
L+: + power supply
(or alternating current)
L-: - power supply
(or alternating current)
PE: Earth/protection cable
Voltage/thermo-couple
+
-
Digital board II
391 Digital input 23
392 Digital input 24
393 Digital input 25
4. Installation/connection/setting up
RTD
A
a
Sense / cold junction
compensation
B
57