Installation guide

VAR4 / VAR12 / VAR20 - Product Description
6.3.2 Control Port 2 (Base VAR4 Unit)
Base VAR4 unit Control Port 2 implements opto-isolated contacts on a 25-way female D connector.
Figure 17 Base VAR4 Unit Control Port 2
NC
FEMALE
10
9
8 7 613 12 11
18 17 16 15 1423
22
21 20 1925 24
CONTACT-12
- +
5 4 3 2 1
- +
CONTACT-11
CONTACT-14
- +
- +
CONTACT-13
- +
CONTACT-15
CONTACT-16
- +
CONTACT-18
- +
- +
CONTACT-17
- +
CONTACT-19
CONTACT-20
- +
- +
CONTACT-21
CONTACT-22
- +
Pin No. Signal Description
1 CONTACT-11+ Opto-isolated Contact 11 +VE
2 CONTACT-12+ Opto-isolated Contact 12 +VE
3 CONTACT-13+ Opto-isolated Contact 13 +VE
4 CONTACT-14+ Opto-isolated Contact 14 +VE
5 CONTACT-15+ Opto-isolated Contact 15 +VE
6 CONTACT-16+ Opto-isolated Contact 16 +VE
7 CONTACT-17+ Opto-isolated Contact 17 +VE
8 CONTACT-18+ Opto-isolated Contact 18 +VE
9 CONTACT-19+ Opto-isolated Contact 19 +VE
10 CONTACT-20+ Opto-isolated Contact 20 +VE
11 CONTACT-21+ Opto-isolated Contact 21 +VE
12 CONTACT-22+ Opto-isolated Contact 22 +VE
13 NC Not Connected
14 CONTACT-11- Opto-isolated Contact 11 -VE
15 CONTACT-12- Opto-isolated Contact 12 -VE
16 CONTACT-13- Opto-isolated Contact 13 -VE
17 CONTACT-14- Opto-isolated Contact 14 -VE
18 CONTACT-15- Opto-isolated Contact 15 -VE
19 CONTACT-16- Opto-isolated Contact 16 -VE
20 CONTACT-17- Opto-isolated Contact 17 -VE
21 CONTACT-18- Opto-isolated Contact 18 -VE
22 CONTACT-19- Opto-isolated Contact 19 -VE
23 CONTACT-20- Opto-isolated Contact 20 -VE
24 CONTACT-21- Opto-isolated Contact 21 -VE
25 CONTACT-22- Opto-isolated Contact 22 -VE
Issue: 03 complete, approved
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