Pearl-MM
Relay Output PC/104 Module
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Description |
Pearl-MM is a PC/104 format industrial control module with 16 relays. The relays have PDT (form C) configuration. Each relay has 3 contacts: Common, Normally Open, and Normally Closed. For safety and reliability, all relays are in their power-off state (Common connected to Normally Closed) at power-up or system reset. The relays can switch both AC and DC voltages. They feature long life (100,000,000 operations), quick actuation time (4ms max operate and release), and isolation (500V AC or DC).
Two models provide different options for I/O connections:
- Model PMM-S (shown in the photo above) has miniature screw terminals on
.1" centers, providing a means of direct connection to user wiring ranging
from 16-28AWG.
- Model PMM-P (shown below) has standard pin headers to allow mating with a
ribbon cable.
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Model PMM-P with pin headers
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| 0 NO |
1 |
2 |
0 NO |
| 0 C |
3 |
4 |
0 C |
| 0 NC |
5 |
6 |
0 NC |
| 1 NO |
7 |
8 |
1 NO |
| 1 C |
9 |
10 |
1 C |
| 1 NC |
11 |
12 |
1 NC |
| 2 NO |
13 |
14 |
2 NO |
| 2 C |
15 |
16 |
2 C |
| 2 NC |
17 |
18 |
2 NC |
| 3 NO |
19 |
20 |
3 NO |
| 3 C |
21 |
22 |
3 C |
| 3 NC |
23 |
24 |
3 NC |
| 4 NO |
25 |
26 |
4 NO |
| 4 C |
27 |
28 |
4 C |
| 4 NC |
29 |
30 |
4 NC |
| 5 NO |
31 |
32 |
5 NO |
| 5 C |
33 |
34 |
5 C |
| 5 NC |
35 |
36 |
5 NC |
| 6 NO |
37 |
38 |
6 NO |
| 6 C |
39 |
40 |
6 C |
| 6 NC |
41 |
42 |
6 NC |
| 7 NO |
43 |
44 |
7 NO |
| 7 C |
45 |
46 |
7 C |
| 7 NC |
47 |
48 |
7 NC |
| NOT USED |
49 |
50 |
NOT USED |
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Specifications |
| Relays |
| No. of Outputs |
16 |
| Relay type |
SPDT (Form C) |
| Max voltage/current |
DC: 0VDC/2A60W (dc), 60VA (AC)
AC: 125VAC/0.5A resistive |
| Max switching capacity |
220VDC, 250VAC |
| Max operating voltage |
10mA@10mVDC |
| Min switching capacity |
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| Contact resistance |
100mΩ max |
| Relay lifetime |
100,000,000 operations |
| Actuation time |
4ms max operate or release |
| General |
| I/O connections |
3 screw terminals per line; .1" spacing |
| Isolation (all I/O) |
500VDC or AC, channel-to-channel and channel-to-board |
| Power supply |
+5VDC ±10% |
| Operating temperature |
-40 to +85°C |
| Operating humidity |
5% to 95% noncondensing |
| Weight |
-P: 3.4oz/96g
-S: 3.6oz/102g |
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Get an online quote |
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Pearl-MM |
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| Pearl-MM 16 SPDT Relays, Pin Headers |
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| Pearl-MM 16 SPDT Relays, Screw Terminals |
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Cables and accessories |
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| Ribbon cable, dual 50-pin connectors, 18 inches (Pearl-MM-P only, uses 2) |
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Copyright© Diamond Systems Corporation 2001-2008. All rights reserved.
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US: 1·800·36·PC104 
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