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POWER
Power connection should be made to the three terminal connector as shown in figure 3. Also, make note that it is very
important that the power line inputs and the power ground are not switched. Doing so will permanently damage the
instrument. Refer to Figure 3 for proper connections. For convenience, the printed circuit board is labeled
L1 L2 GND on the under side of three terminal power connector. For instruments with the 15Vdc power option,
L1 = negative supply and L2 = positive supply.
NOTE: WHILE CONNECTING POWER TO THE UNIT, MAKE SURE THAT AC POWER LINE L1 OR
L2 IS NOT ACCIDENTALLY CONNECTED TO GROUND (GND) TERMINAL. THIS WILL RESULT IN
PERMANENT DAMAGE TO THE INSTRUMENT.
DOUBLE CHECK THE CONNECTIONS BEFORE APPLYING POWER!!
INPUT CONNECTOR PIN ASSIGNMENT
2
3
1
-
-
CH1
CH1+ CH2
CH2 + CH3
Table 4. DPS3300 Series Output Connector Pin Assignments
Pin #
Signal
1
Channel #1 Limit
2
Channel #1 Limit
3
Channel #2 Limit
4
Channel #2 Limit
5
Channel #3 Limit
6
Channel #3 Limit
7
Channel #4 Limit
8
Channel #4Limit
9
Channel #5 Limit
10
Channel #5 Limit
11
Channel #6 Limit
12
Channel #6 Limit
13
Channel #7 Limit
14
Channel #7 Limit
* = Normally Open/Closed is user programmable (Look under Set-up)
NOTE: PROPER RATING, CONNECTION AND CORRECT ORIENTATION OF THE CONNECTOR IS
NECESSARY TO AVOID MALFUNCTION OR PERMANENT DAMAGE TO THE UNIT.
4
5
7
6
-
CH3 + CH4
OUT-PUT CONNECTOR PIN ASSIGNMENTS
Relay Output
Common
Normally Open/Closed*
Common
Normally Open /Closed*
Common
Normally Open/Closed*
Common
Normally Open/Closed*
Common
Normally Open/Closed*
Common
Normally Open/Closed*
Common
Normally Open/Closed*
10
8
9
-
-
CH4 + CH5
CH5 + CH6
11
12
14
13
-
-
CH6 + CH7
CH7 +
Open Collector
Positive Output
Negative Output
Positive Output
Negative Output
Positive Output
Negative Output
Positive Output
Negative Output
Positive Output
Negative Output
Positive Output
Negative Output
Positive Output
Negative Output
Page 24
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