Contec COM-1PDH-LPE, Руководство пользователя, Страница: 43 / 45

6. About Hardware
38
COM-1PDH-LPE
Hardware specification
Tables 6.1. list the board specifications.
Table 6.1. Specifications
Item Specifications
Number of channels 1ch
Interface type RS-422A/RS-485
Isolation specification Bus isolation
Isolation pressure proof Between bus : 500VAC
Transfer method
Asynchronous serial transfer (Full-duplex / half-duplex)
Baud rate 30 - 921,600bps *1 *2
Data length 5, 6, 7, 8 bits
1, 1.5, 2 stop bits *1
Parity check Even, Odd, Non-parity *1
Loarding LSI 162850 or equivalent
(Each channel has 128-byte receive and 128-byte transmit FIFO buffers.)
Connecting distance Within 1200m *3*4
Interrupt requests 1 level use
I/O address Any 32-byte boundary
Power consumption 3.3VDC 550mA (Max.)
Operating temperature 0 - 50°C, 10 - 90%RH (No condensation)
Bus specification
PCI Express Base Specification Rev. 1.0a x 1
Dimension (mm) 121.69(L) x 67.90(H)
Connector used Connector on the board : MC 1,5/ 5-GF-3,5 P26 THR [PHOENIX CONTACT] or equivalent to
it
Transmission line connection terminal : MC 1,5/ 5-STF-3,5 [PHOENIX CONTACT] or
equivalent to it
Weight 60g
Standard
VCCI Class A, FCC Class A,
CE Marking (EMC Directive Class A, RoHS Directive)
*1 These items can be set by software.
For the "Standard COM Driver Software COM Setup Disk" on the bundled disk, the range is 15 - 921,600 bps.
*2 Data transmission at high speed may not be performed normally depending on the environment including the type
of status of connected material of cable and environment.
*3 The table below lists an example of the relationship between baud rate and communication distance.
Communication
distance
Baud rate
300m 115,200bps
600m 57,600bps
900m 19,200bps
1200m 9,600bps
Communication cable: 28AWG, double shielded cable, twisted pairs used for each +/- signal line.
*4 The table below lists the maximum communication distances of the terminator resistor value and individual cable
diameters.
The terminators on the product (100Ω) and the terminators generally used with RS - 422A/485(120Ω) are listed.