Layout And Function Of Terminals Of Md38Io2 - Inovance MD500 User Manual

Appendix A
A.4 Layout and Function of Terminals of MD38IO2
Table A-6 Terminal descriptions of MD38IO2
Terminal
+24V/COM
CN2
OP2
DI6-OP2 to
CN1
DI8-OP2
Table A-7 Jumper descriptions of MD38IO2
Terminal
J2
● Setting of jumpers takes top view with main terminals at the bottom of the card as visual angle.
Note
- -
130
DI6 DI7 DI8
Figure A-4 Layout of MD38IO2 terminals
Terminal Name
1. Provide +24 V power supply to an external unit.
Generally used for power supply for DI/DO terminals and
External +24 VDC
external sensors.
power supply
2. Max. output current: 200 mA
It is not connected to power supply by default. It can be
Digital input power
connected either to external power or +24V according to
terminal
the actual need.
1. Optically-coupled isolation compatible with dual-polarity
inputs
2.Input resistance: 3.3 kΩ for DI6 and DI7, 2.4 kΩ for DI8
Three digit inputs
3. Voltage range for inputs: 9 to 30 V
4. DI6, DI7 and DI8 are common input terminals with input
frequency < 100 Hz.
Terminal Name
If DI connected in DRAIN mode, OP2 connected to +24V
OP2 connecting
mode selection
If DI connected in SOURCE mode, OP2 connected to COM
Jumpers are silk-screened on the card.
CN1
CN2
J2
COM OP2 +24V
Function Description
Function Description
Terminal
Arrangement
COM OP2 +24V
DI6 DI7 DI8
Jumper