ATI Technologies SmartTachSmartTach, User Manual

Page: 101 / 110

APPENDICES
SmartTach Operating Manual Page A-5
Connectors and Pin-Outs
Rear Panel
10-30 VDC ∙ 10W Max SmartTach Universal Speed Measurement Tool
DC
POWER
COM
(RS-232)
TACH SENSOR
(I/O PORT)
ANALOG
OUTPUT
PULSE
INPUT
5 4 3 2 1
10 9 8 7 6
15 14 13 12 11
5 4 3 2 1
9 8 7 6
Figure A - 1: Connector Placement
Analog Output
Connector Type: BNC Connector (Industry Standard)
Pin Description
Center Analog Output Voltage (0-10Vdc)
Housing Analog Output Ground (Isolated from Input Ground)
Pulse Input
Connector Type: BNC Connector (Industry Standard)
Pin Description
Center Pulse Input Signal (±75Vdc in Trigger mode)
(±1KV In Spark Mode)
Housing Pulse Input Ground (Isolated from Analog Output Ground)
COM Port
Connector Type: DB-9F (Standard 9-pin female)
Pin Description
1 DCD Output (Data Carrier Detect)
2 TXD Output (Transmit Data)
3 RXD Input (Receive Data)
4 DTR Input (Data Terminal Ready)
5 GND (Signal common)
6 DSR Output (Data Set Ready)
7 RTS Input (Request to Send)
8 CTS Output (Clear to Send)
9 RNG Output (Ring Indicator)
Note: Pins 1, 6, and 8 are internally connected.
Pins 7 and 9 are not used and not connected.