Cortalk RMU5 Generic - Sensor Bus and Power Connector Pinouts

MOBILTEX® DATA LTD.
TITLE:
RMU5 Generic Installation and Configuration Guide
Calgary, Alberta
DOCUMENT NO.:
RMU5-MAN-001
SHEET:
63 of 69
REV:
1.10
Pin Number
Label
Function
1
DOUT
Interrupter Relay Synchronization Signal
(RS-232 levels)
2
DEBUGRXD
Windows CE Debug RS-232 Serial Port Receive
Data (DCE)
3
DEBUGTXD
Windows CE Debug RS-232 Serial Port
Transmit Data (DCE)
4
SB_RS485-
Sensor Bus RS-485 Negative Connection
5
GND
Power/Signal Ground
6
GND
Power/Signal Ground
7
SB_RS485+
Sensor Bus RS-485 Positive Connection
8
1PPS
GPS Synchronized One Pulse Per Second
9
SENSOR+12V
Switched Sensor Bus 12V Power (2A max,
total power limit shared with interrupter
relay drive and main I/O +12V)
Note: Int+ (Term. Block pins 10 & 11)&
Sensor Bus power must not exceed 1.25A
combined. Do not load the 12V supply unless
the battery is fully charged.
Table 5 Instrumentation Sensor Expansion Bus Connector
Pin Number
Label
Function
1
AC1
24VAC/DC Input #1 (DC, 50/60Hz) (This input
feeds one side of a full wave rectifier
bridge)
2
AC2
24VAC/DC Input #2 (DC, 50/60Hz) (This input
feeds the second side of a full wave
rectifier bridge)
Table 6 Main Power Input Connector
Pin Number
Label
Function
1
VBUS
USB +5V Power (500mA max)
2
D-
USB Data Negative Signal
3
D+
USB Data Positive Signal
4
GND
Signal/Power Ground
Table 7 USB Host Connector