SLAVE
PROGRAYYISLE
CONTROLLER
WITH
MODEM
Typical Modbus Network
Showing Placement of J378 Modem Within Network
SPECIFICATIONS
J375 J37S
m
*ADAPTER CAN
BE
MOUNTED EITHER
ABOVE OR BELOW
THE
COHTROLLER
AS A STAND-ALONE DEVICE
‘7
t,:‘!::?:::
P3ro
Two Possible Mounting Configurations
Electrical Characteristics
Mark Frequency
50 kHz
Space Frequency 80 kHz
Maximum Data Rate 20 kHz
Max. Cable Length
Transmission Media
15,000 ft*
Four conductor, fully
shielded twisted-pair
cable (i.e., Belden
8777)
Form of Modulation Frequency Shift
Keying
Allowable Signal
Attenuation
35 dB
Max. No. of Drops
32*
Environment
Ambient Temperature
Operating
0’ to 60°C
Storage
-5OOto +85OC
Humidity
0 to 95% (non-
condensing)
Type of Transmission Asynchronous
*Main cable, drop lengths, and number of
slaves are all inter-related parameters. For
instance, the 15,000 ft. maximum length
can be increased if less than 32 slaves are
used.
Dimensions (W x H x D)
1.63 in x 10.50 in x
5.50 in
(41.40 mm x 266.70
mm x 139.70 mm)
Weight
1 lb, 5.5 oz (0.610 kg)
NOTES
1.
Install as the last module in the l/O structure.
2. Install anywhere within the range of the Micro 84 cable (cable is 6 ft. long and interchange-
able with P370 cable).
-i GOULD
Electronics
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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