MDC-i4240 User Manual Part 1
9
Micro Digital INC.
2.2. THE BASE OF MDC-i4240
Image 3 : Base of MDC-i4240
A B C
PART
REMARK
A
CTL Conn.
CTL Port (RS-232, DI, DO)
B
LAN
Terminal of network connection
C
Power Conn.
12V DC Power Input
Table 4 : Guide to the base of MDC-i4240
2.2.1. CTL Port Description
Below image indicates CTL Port Pin to link Sensor Input (DI, GND), Relay (DO), etc. numbers is
shown in order from the left.
Refer to the below image to link external devices.
GND used in Sensor Input, etc. is in common use for RS-232 connection.
When linking RS-232, the rest of signal lines are omitted as RXD & TXD & GND are connected only
and in case of linking to external device one on one, link RXD & TXD crossed.
Image 4 : CTL Port Description
