HMC Electronics MDL Series BK Precision DC Electronic Load System Module User Manual
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USB Interface
Use Type A to Type B USB cables to connect the electronic load and the PC. All electronic load
functions are programmable over the USB. Press Shift + ⑦ on the front panel to enter the System
menu. Select <Communication> and choose <USBTMC-USB488>.
The USB488 interface capabilities of the electronic load are described below:
The interface is IEEE 488.2 standard USB488 interface.
The interface accepts REN_CONTROL, GO_TO_LOCAL, and LOCAL_LOCKOUT requests.
The interface accepts MsgID = TRIGGER USBTMC command message and forwards TRIGGER
requests to the function layer.
The USB488 device capabilities of the electronic load are described below:
The device understands all mandatory SCPI commands.
The device is SR1 capable.
The device is RL1 capable.
The device is DT1 capable.
Ethernet Interface
Use a network cable to connect PC through Ethernet interface of the electronic load. Press Shift +
⑦ on the front panel to enter the System menu. Select <Communication> and choose
<ETHERNET>. Then select <Ethernet Set> to set gateway address <Gateway Set>, IP address <IP
Set>, mask address <Mask set>, and port <port set>.
GPIB Interface
First connect GPIB port of electronic load to GPIB card of PC. There must be sufficient contact.
Tighten the screws and then set the address. The address can be set from 0 to 31. Press Shift + ⑦
key to enter the System menu. Select <Communication> and choose <GPIB>. The electronic load
operates from a GPIB address set from the front panel. To set the GPIB address, press key to
select <GPIB Address>. Input the address and press Enter key to confirm. The GPIB address is
stored in non-volatile memory.
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
(800) 482-4440