DAC-42(A)-x-PN
Page 17
DAC-42(A)-x-PN
Manual
Revision: 1.0
22.01.2024
5.2 Connection
5.2.1 General recommendations
The general supply voltage for the unit is at the terminals:
[26bd] = 0 V and [32bd] = +UB is 12 V DC - 10 % … 24 V DC + 20 %; residual ripple < 10 %
(at supply voltage down to 12 V DC some limitations may be applicable).
Output stages are electronically protected against short circuit and overload. The amplifiers should be protected with a
quick-acting fuse.
The solenoids are connected at terminals [22bdz] and [28bdz] for solenoid A; terminals [24bdz] and [30bdz] for solenoid B.
The terminals [bdz] are bridged on the amplifier. We recommend using all three terminals for better load distribution.
If no electrical isolation of logic inputs or outputs is required, terminal [26bd] may be bridged to terminal 2d and terminal
[32z] to terminal [32bd].
Terminal [18d] is the GND for the digital signals.
When replacing amplifier cards model VRD350 and VRD355, please note that the
connection for PE was at terminals 18bd. If PE is connected to these terminals,
disconnect.
5.2.2 Wires and preparation
Connection wires have to comply to the following specifications:
Feature Required
Wire type Hookup cable; stranded
Cross section: Solenoids and supply min AWG 16 / 1.5 mm²
Cross section: Signal, command and sensor: min AWG 20 / 0.5 mm²
Wire length Max. 50 m (> 50 m consult factory)
Skinning length 7 mm
Soldering of wires Not permitted!
Table 6: Wires recommendation
The assembly contains electronic components. Incorrect handling or operation can lead
to damage through electrostatic discharge (ESD). Only trained personnel should work
with the unit. All safety instructions must be observed. Damage may result if the card is
disconnected while the power supply is still on. Avoid such actions under all
circumstances. The information in this document is subject to change without notice.
Avoid under all circumstances to use logical signals from the card (i.e. “Error”) for
switching machine safety circuits (refer also to EU standard EN13849)!
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