Manual
ibaMS4xUCO
58
Issue 1.5
11.1.1.2 Circuit diagram
The rotary encoder provides several alarm functions which are sent as alarm output sig-
nal „ALM+“ or „ALM_H+“ of the connector „PULSE OUT“. The MD50 internal opto-isola-
tor PC817 (or similar) is connected to the signals MF and GND
CH
of ibaMS4xUCO. The
MD50 alarm output is typically open when an alarm is active.
The Sony MD50 rotary encoder is to be connected to ibaMS4xUCO as indicated below.
1
2
0
Ω
A+
A-
RS485
+
-
1
2
0
Ω
B+
B-
RS485
+
-
2
7
0
Ω
1
k
Ω
5 V
MF
GND
2,4 V
COMP
+
-
V
DigOut
GND
DigOut
D
out0
D
out1
D
out2
D
out3
Sony MD50-2N/-4N
N+
N-
unused
unused
VCC
unused
V
DigOut
=[10V; 30V]
2,2 k
Ω
A+
A-
B+
B-
INAL+
ALMCOM_A
INAL+
ALMCOM_A
ibaMS4xUCO
500 mW
Figure 41: Connection Sony MD50-2N/-4N to ibaMS4xUCO
There is a ground loop between internal Sony
MD50 „ALCOM_A“ ground and external
„GND-Dout“ ground.