High Country Tek DVC741 - Manual (Page 3)

DVC741 Product Manual
High Country Tek, Inc.
208 Gold Flat Court
Nevada City, CA, 95959.
Tel:- (1) 530 265 3236
www.hctcontrols.com 021-00195_Rev_A-DVC741_User_Guide 3/6
• Rugged power supply operates over the full range 8.0Vdc to 32Vdc with reverse
polarity protection and transient protection up to 1.5K Watts Peak Pulse Power
Dissipation.
• Compact & rugged packaging.
OUTPUT OPERATION
A. All outputs are sourcing.
1.
System +Power will be applied to the output when the output is activated.
B. Maximum Output Load = 3amps per channel.
C. Each output has a corresponding indicator to tell whether the output is on, off,
shorted or open (see INDICATORS below for more details).
D. Short Circuit Operation
1.
Output is turned off.
2. Short Circuit is detected while the output is on.
3. Shorted outputs may be reset by commanding the output to an off state.
E. Open Circuit Operation
1.
Output is turned off.
2. Open outputs are detected when the output is turned off.
3. Open detection is disabled when in LED mode.
4. Open outputs may be reset by commanding the output to an off state.
PROGRAMMABLE FEATURES
A. DVC741 programmable features are set by using the Intella Programming Tool
and then loaded into the DVC710 Master Module.
1.
Each output can be named (16 characters).
2. Normal output mode – Used for driving all loads up to 3amps.
3. LED output mode – Used for driving LED’s or low current devices.
B. The MAC ID and Baud Rate settings are set at each DVC741 module through
the RS-232 serial port using the Program Loader Monitor. Default values for
MAC ID is 41 and baud rate is 125k unless otherwise noted.
COMMUNICATIONS
A. The DVC741 has two communication ports:
1.
DVC Devicenet – This port is used to communicate to the DVC710 Master
Module. A Proprietary Devicenet protocol is used.
2. RS-232 serial port is used for:
a. Setting MAC ID and Baud Rate.