Orbit Merret OMX 103UNI, User Manual

Page: 10 / 96

10 | USER MANUAL OMX 103UNI
3. DEVICE CONNECTION
■
Analogue output connection
This output card can be inserted into A2 and B2 slots
B
C
A
GND
AO Voltage
AO Current
+
−
+
■
Data output connection
This output card can be inserted into A2 and B2 slots
■
Relay output and Open collector output connection
This output card can be inserted into A2, B1 and B2 slots
■
Sensor excitation connection
Sensor excitation is of fixed voltage. It is galvanic isolated.
For connection examples see page 12
RS 232 RS 485
• One OMX 103 to one PC communication
• maximum cable length is not to exceed 15 m
• twisted cable AWG28 /0,08 mm 2 is recommended
• up to 32 OMX 103 can be connected to one PC
• maximum cable length is not to exceed 500 m
• twisted cable AWG28 /0,08 mm 2 is recommended
• the last device on the line must have a terminating
resistor connected to the RS card, a shorting jumper
must be fitted
Range PM
0…5 mA AO - Current B
0…20 mA AO - Current B
4…20 mA AO - Current B
0…2 V AO - Voltage A
0…5 V AO - Voltage A
0…10 V AO - Voltage A
±10 V AO - Voltage A
B
C
A
GND
TxD
RxD
B
C
A
Rx/Tx-
Rx/Tx+
E
F
D
1
2
C
B
A
E
F
D
1
2
C
B
A
E2
C2
E1
C1
24 VDC/1 W
4
6
7
5
+
−
+
−
8
10
11
9
+
−