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DESCRIPTION
The OM5-BP-16-MUX-C 16 channel backpanel (Figure 5) can accept any
of the OM5 analog modules in any mixture. It can be mounted on the
OMX-1363-C 19-inch metal rack. The OM5-BP-16-MUX-C has two
analog buses; one for analog input and one for analog output. This two-
bus configuration takes advantage of the switch controlled outputs on the
input modules and the track-and-hold inputs on the output modules. A
temperature sensor is mounted on each channel to provide cold junction
compensation for thermocouple input modules (See Figure 6 for
schematic). Field connections are terminated with four screw terminals at
each module site. Up to four OM5-BP-16-MUX-C backpanels may be
daisy-chained. Use OMX-CAB-01-C cable for daisy chaining and OMX-
1315-XX-C cable for connecting to host computer.
SPECIFICATIONS
Operating Temperature: –40°C to +85°C
95% relative humidity, non-condensing
Interface Connector:
Field High Density Screw Clamp, 14 AWG Max
Logic 26-pin, male header connector
Address Input Logic Levels:
Max Logic “0” 0.8V
Min Logic “1” 2.0V
I
I
Input Current, “0” or “1” 0.1µA max at 25°C
1.0µA max –25°C to +85°C
RD EN\ or WR EN\ Signal Delay
from Connector P1 to Channels 1-16
Standalone (address 0-15) 51ns at 25°C
64ns at –25°C to +85°C
Expanded (address 16-63) 100ns at 25°C
126ns at –25°C to +85°C
FIGURE 5. OM5-BP-16-MUX-C Analog I/O Backpanel.
OM5-BP-16-MUX-C 16 POSITION ANALOG I/O BACKPANEL, MULTIPLEXED
12345678910111213141516
17.4" (442.0mm)
17.1" (434.3mm)
11.3" (287.0mm)
7.6" (193.0mm)
3.9" (99.1mm)
0.15"
(3.8mm)
1.275"
(32.4mm)
3.47"
(88.1mm)
3.05"
(77.5mm)
0.08"
(2.0mm)
0.093"
(2.4mm)
0.14" (3.6mm)
inside diameter
Channel
2.27"
(57.7mm)
Pin 1
Pin 2
0.75" (19.1mm)
E2
E1
P1
+5VDC Supply
Write Address
Selection Jumper
Read Address
Selection Jumper
Sockets for Current Conversion Resistors, OMX-1362-C
OMX-CJC-C
Cold Junction
Compensation Circuit
10.32 X 0.40
Ground Lug, Including
Nut and Lockwasher
26 Conductor Male
Pin Connector P1
(1)
NOTES:
1. Connector is Berg 65863-075 or equivalent.
Mating Connector is Amp 49958-6 or equivalent.
Swaged Standoff
Thru Hole 0.15" (3.8mm) Dia.
4
3
2
1
0