Gossen MetraWatt A2000 - Analog Input;Output and Serial Interface Connections

Relay 1
Relay 2 I1 I2 I3
kl kl kl
NL1L2L3
RS-232
RS-485
TxD
RxD
CBA
Analog
Output
/Input
Out1
Out2
In1
In2
Sync.-
S01
S02
+
51 52 53 55 56 57 1 3 4 6 7 9 11 2 5 8 13 14 15
46 45 44 43 42 41 38 37 35 33 31 24 23 22 21 20
LOCK
ON
OFF
U I U I U I U I
Analog output/input 
configuration, 
in this example:
Out1: U (U=on, I=off)
Out2: I (U=off, I=on)
In1: Pt1000 (U=on, I=off)
In2: I (U=off, I=on)
Input
Impuls-
Output
Power supply
(see specified
values on 
serial plate)
N 115V 230V

±10% 45...65 Hz
20...69 V
20...72 V
73...264 V 
73...276 V
Power supply 
max. 15 VA
13 14 15
20... 27 V 
20... 36 V
GMC-I Messtechnik GmbH 41
Design with 2 analog inputs and 2 outputs and serial interface RS-232 and RS-485