Internal Circuits - Hitachi BRD-E2-30K Operation Manual

8. INTERNAL CIRCUITS

Internal circuits of the dynamic braking units E2-30K/55K, EZ2-30K, and EZ2-55K/110K are
shown respectively in Figures 8.1 to 8.3. See 4.3 and 4.4 on how to connect the terminals.
1. Terminals of the E2-30K/55K and EZ2-55K/110K
(1) TM1
MA1, MA2, SL1, and SL2: Control signals for parallel interlocking connection
(2) TM2
P: DC voltage (+)
P, RB: Resistance
N: DC voltage (-)
(3) TM3
AL1, AL2: Alarm contacts
2. Terminals of the EZ2-30K
(1) TM2
MA1, MA2, SL1, and SL2: Control signals for parallel interlocking connection
AL1, AL2: Alarm contacts
(2) TM3
P: DC voltage (+)
P, RB: Resistance
N: DC voltage (-)
For actual terminal layouts and screw sizes, see Figures 7.1 to 7.3.
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