Basler Electric DECS-400 - Manual (Page 143)

9369700990 Rev R 131
Terminal Description
A23 (GND) Shield connection for meter driver #1 and #2
A24 (M2+) Meter driver #2 positive terminal
A25 (M2–) Meter driver #2 negative terminal
Contact Outputs
DECS-400 units have two dedicated contact outputs and six programmable contact outputs. The
dedicated outputs consist of a Form B (SPDT) Watchdog output and a Form A (SPST) On/Off output. The
six user-programmable outputs are all Form A outputs. Annunciation options for the programmable
contact outputs are provided in the Functional Description chapter. Contact output ratings are listed in the
Specifications chapter. Terminal assignments for the contact outputs are listed in Table 17.
Table 17. Contact Output Terminals
Terminal Description
C6 (WTCH1) Watchdog normally-closed (NC) contact terminal
C7 (WTCH) Watchdog common contact terminal
C8 (WTCH2) Watchdog normally-open (NO) contact terminal
C9 (ON/OF) On/Off contact terminals
C10 (ON/OF)
C11 (RLY1) Programmable relay #1 terminals
C12 (RLY1)
C13 (RLY2) Programmable relay #2 terminals
C14 (RLY2)
C15 (RLY3) Programmable relay #3 terminals
C16 (RLY3)
C17 (RLY4) Programmable relay #4 terminals
C18 (RLY4)
C19 (RLY5) Programmable relay #5 terminals
C20 (RLY5)
C21 (RLY6) Programmable relay #6 terminals
C22 (RLY6)
Field Isolation Module Terminal Functions and Assignments
In the following paragraphs, Field Isolation Module terminal functions are described and the terminal
assignments for each function are listed.
Chassis Ground
The GND terminal serves as the chassis ground connection. Be sure that the Field Isolation Module is
hard-wired to earth ground with no smaller than 12 AWG copper wire attached to terminal GND.
Field Current Sensing
A field current sensing signal is supplied to the Field Isolation Module from a user-supplied current shunt
with an output rating of 50 mVdc or 100 mVdc. Field current sensing terminals are listed in Table 18.
DECS-400 Installation