AVy - HGB
Ch.5 70
CAUTION! +24Vdc voltage, which is used to externally supply the regulation card has to be stabilized
and with a maximum ±10% tolerance. The maximum absorption is 1A.
It is not suitable to power supply the regulation card only through a unique rectifier and
capacitive filter.
Maximum Cable Sizes for control terminals
Table 5.3.2.2: Maximum permissible cable cross-section on the plug-in terminals of the regulator section
Maximum Permissible Cable Cross-Section Tightening
[mm
2
]
torque
flexible multi-core [Nm]
1 ... 79 0.14 ... 1.50.14 ... 1.528... 16 0.4
80 ... 85 0.14 ... 1.50.14 ... 1.528... 16 0.4
Ai4090
AWG
Terminals
The use of a 75 x 2.5 x 0.4 mm (3 x 0.1 x 0.02 inch) flat screwdriver is recommended. Remove 6.5 mm (0.26
inch) of the insulation at the cable ends.
Only one unprepared wire (without ferrule) should be connected to
each terminal point.
Maximum Cable Length
Table 5.3.2.3: Maximum Control Cable Lengths
Cable section [mm
2
]
0.22 0.50.751 1.5
Max Length m [feet] 27 [88] 62 [203] 93 [305] 125 [410] 150 [492]
avy3130
Potentials of the control section
The potentials of the regulation section are isolated and can be disconnected via jumpers from ground. The
connections between each potential are shown in Figure 5.3.1.2.
The digital inputs are designed as differential amplifiers.
The digital inputs are optocoupled with the control circuit. The digital inputs (terminals 12 to 15 and 36 to
39) and digital outputs have terminal 16 as a common reference point.
The analog outputs are designed as not differential amplifiers and have common reference point (terminal
22).
The analog outputs and the ±10V reference point have same potential (terminal 22 and 9).
The digital outputs are optocoupled with the control circuit. The terminals 41 to 42 have terminal 16 as a
common reference point and terminal 46 as common supply.
It is recommended, in order to reduce the interferences on the input/output signals, to not remove the jumpers
ground connection S34 and S35.
The brake unit command has reference point (terminal 27) connected to reference point +24V (terminal 18).
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