IMPULSE
®
•G+ & VG+ Series 4 Technical Manual
November 2020
Page 224
1. “+” could be any one of three (+) terminals which are labeled as
⊕
1,
⊕
2, and
⊕
3.
2. If the bus fuse is blown you must install a jumper across the fuse terminals to get accurate resistance measurements.
3. If the pre-charge resistor is open, you will read infinite W between + and any output terminal unless you install a temporary jumper
across the resistor.
Output
Transistors
*2
*3
T1 +
7–100 Ω Approximately 0.5 V
T2 +
T3 +
-T1
-T2
-T3
T1 -
Infinite Ω OL Displayed
T2 -
T3 -
+T1
+T2
+T3
Braking Diode
B2 B1 10 Ω 0.5 V
B1 B2 Infinite Ω OL Displayed
B2 - Infinite Ω OL Displayed
- B2 Infinite Ω 0.5 V
Device
VOM (on RX1 Scale)
Normal Reading (Analog
Meter)
Normal Reading
(Digital Meter)
Positive Lead Negative Lead
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