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5.2
Wiring Assessment
Before installation begins, consideration must be made for where to run the wires and decide on
what feedback is required from the lock. There are a total of seven available connections; three are
compulsory power/control connections whilst the remaining four provide optional door and bolt position
feedback. These optional connections can be integrated into access control or alarm systems to
provide full monitoring.
The correct gauge of wire needs to be chosen as voltage drop across the power/control wires can limit
the locks operation. For all the remaining connections, a lower gauge wire can be used as these are
only signal wires. The following table shows the maximum distance that the wire runs can be between
the power supply and the lock, assuming the power supply outputs 12VDC or 24VDC.
Conductor Cross Sectional Area
#AWG
24
22
20
18
16
14
5.3
Operating Mode Assessment
The YD30D can be set to one of two operating modes before installation, Fail Safe or Fail Secure.
When the operating mode is set to Fail Safe, supply voltage is applied to the control input to lock the
door, and the YD30D will unlock in the event of power loss.
When the operating mode is set to Fail Secure, supply voltage is applied to the control input to unlock
the door, and the YD30D will lock or remain locked in the event of power loss.
The failure mode of the YD30D is factory set as Fail Safe. Before the lock is installed this can be
changed to Fail Secure by repositioning the switch located at the end of the product.
15
(mm²)
at 12VDC
0.20
10m (33ft)
0.33
16m (52ft)
0.52
26m (85ft)
0.82
41m (135ft)
1.31
65m (213ft)
2.08
103m (338ft)
Maximum Distance
at 24VDC
30m (98ft)
48m (157ft)
77m (253ft)
122m (400ft)
195m (640ft)
310m (1017ft)
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