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W Series Data Sheet
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Description of Options
125, 250 Watt AC-DC and DC-DC DIN-Rail Converters
Table 16a: Option board M1
E designates LW models with improved EMC performance.
Refer to the EC Declaration of Conformity (last page). Feature
E is standard for new designs.
Single options D1, D2, D5, R are available (as single choice
options) on the AUX terminal (10), referenced to Vo–.
Option M1 and M2 designate a combination of several options
accessible via a D-SUB connector. Option M1 includes the
function SD (shutdown).
Note: In double-output models, the options D1, D5, R, and SD
concern only output 2.
Function
R
D1
D2
D5
Sys-OK
SD
D-adj
Description
Output voltage adjust 1
Output voltage monitor V o low D1 1
Input voltage monitor V i low
Output 2 voltage monitor 1
(battery deep discharged): V o low D5
System okay
Shutdown 1
Adjustment of trigger values D1 and D5
Single Options Using the AUX Pin
1
In double-output models, only output 2 is concerned.
The connection is shown in the figure below. For the
Table 16b: Option board M2
description refer to Adjustment of V o or V o2 ( next section).
Function
R
Description
Output voltage adjust 1
Adjustment with R ext
Adjustment with V ext
D2
Input voltage monitor V i low
In double-output models, only output 2 is concerned.
AUX
Vo2–
or Vo–
Vo2+
or Vo+
11
10
9
8
7
6
11
AUX 10
Vo2– 9
or Vo– 8
7
6
06142b
+
V ext
D5 Output voltage monitor 1
(battery deep discharged): V o low D5
D-adjust Adjustment of trigger values D1 and D5
1
D2: Input Voltage Monitor (Power Fail)
5
4
3
2
1
5
4
3
2
1
D2 monitors the input voltage V i . When V i drops below 65±3
VAC or 92 VDC, the D2 signal output is high impedance (open-
collector, max. 50 V).
When V i is greater then said level, the signal output D2 is
Fig. 20
Connection of adjust resistors or an external voltage source to
adjust the output voltage V o or V o2 (option M1 or M2 not fitted)
conducting: V D2 < 1.5 V, I D2 max < 50 mA. D1: Output Voltage
Monitor
D-SUB (female)
Multiple Options M1 or M2 via D-SUB Connector
The option board is suitable for applications, where several
options are needed. Option M1 is standard for battery charger
models, option M2 is suitable for applications without battery or
for simple applications with battery.
Table 15: Pin allocation of the 9 pin D-SUB connector
Pin Designation Description
1 GND1 1 System ground / common signal return
2 R R input 3
3 VCC 2 Positive supply voltage ( ≈ output 2)
4 D1 Output voltage monitor V o low D1 3
11
AUX 10
9
8
Vo2+ 7
or Vo+ 6
5
4
3
2
1
+
Vo2+
or Vo+
11
10
9
8
7
6
5
4
3
2
1
5 4 3 2 1
9 8 7 6
+
D-SUB (female)
5 4 3 2 1
9 8 7 6
5
6
D5
SD
Output 2 voltage monitor V o low D5 3
Shutdown 3
7
8
9
D-adj
D2
Sys-OK
Adjustment of threshold values of D1 or D5
Input voltage monitor V i low
System okay (all outputs are okay)
Fig. 21
Option D2: Examples of relay
control to monitor a power failure.
+
1
2
3
Do not connect GND1 (pin 1) with the neg. output (–)
Do not connect VCC (pin 3) with the positive output (+)
In double-output models, R, D1, D5, SD concern output 2 only.
BCD20020-G Rev AC, 31-Jan-2013
Page 21 of 25
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