BK Precision 9115 - Cleaning, Maintenance, and Critical Applications

RS-485
For multi-unit configuration and control, the male DB-9 interface labeled RS-485 in the rear
panel is used. The below illustrates the connection pins and description.
Note: Pin 1 is used as the B pin (+) (non-inverting).
Pin 5 is used as the A pin (-) (inverting).
SC (reference) pin is not used.
PIN
Description
1
B (+)
2
-
3
-
4
-
5
A (-)
6
-
7
-
8
-
9
-
USBTMC
The device is SR1, RL1, and DT1 enabled. It can receive the following request:
REN_CONTROL, GO_TO_LOCAL, LOCAL_LOCKOUT. When it receives MsgID = TRIGGER USBTMC
command, it will transmit TRIGGER command to the function layer.
1
2
3
4
5
6
7
8
9