User Manual

59
RS-485
For multi-unit configuration and control, the male DB-9 interface labeled RS-485 in the rear
panel is used. The figure below illustrates the connection pins and description.
Note: Pin 1 is used as the A pin (-) (non-inverting).
Pin 5 is used as the B pin (+) (inverting).
SC (reference) pin is not used.
PIN
Description
1
A (-)
2
-
3
-
4
-
5
B (+)
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.
Ethernet (LAN)
The power supply (Model 9117 only) can be connected via the Ethernet interface. To
communicate , connect a standard RJ-45 cable to the Ethernet port on the rear panel of the
power supply unit.
1
2
3
4
5
6
7
8
9