98
DB15S – Pin-Out “Sierra” Style
Pin Number
Function
1
Ground
2
Primary Analog Signal Output
3
N/C
4
N/C
5
Ground
6
N/C
7
N/C
8
Analog Tare (meters — when grounded)
Analog Set-Point Input (controllers)
9
Power Supply Common
10
Ground
11
Secondary Analog Signal Output / fixed 5.12Vdc
*
12
RS-232 RX (receive) or RS-485 –
*
13
Power Supply (+Vdc)
14
RS-232 TX (send) or RS-485 +
*
15
Ground
Check your device’s calibration certificate and user manual for the actual electrical input/
output requirements, as all instruments are custom configured to some extent.
NOTE:
Pins 1, 5, 9, 10 and 15 are connected together inside of the device and are common
grounding points.
N/C
= Not Connected/Open (can be used for custom pin assignments – please consult factory).
*
Added to allow for full use of features on Alicat devices, may not be present on host wiring.
Male Connector Front View
Female Connector Front View
11
14
13
12
2
9
11
14
13
9
2
8
8
12
The following pin-out chart describes the safest and generally compatible arrangement when
connecting a non-Alicat DB15 wire to a
DB15S
equipped Alicat. Not all features may be
available between brands, but the common denominators are featured in our DB15 offerings,
along with some options for customization.
DB15 Pin-Outs
If your instrument was ordered with a DB15 connection, be sure to check the
Calibration Label on the device and reference the appropriate pin-out diagram.