features plug-in communication 50 bps~57.6 kbps (current-loop) PCL-743, pcl-745: 50 bps ~ 921.6 kbps pcl-746+: 50 bps ~ 115.2 kbps stop bits 1, 1.5, 2 uart PCL-743, pcl-745: 2 x 16c550 with 16-byte fifo pcl-746+: 4 x 16c550 16-byte fifo pcl-740: 1 x 16c550 with 16-byte fifo pcl-741: 2 x 16c550 with 16-byte fifo protection isolation protection 2500 v dc (pcl-741), 3000 v dc (pcl-745b/745s) eft surge protection 2500 v dc (PCL-743s/745s) software bundled software icom tools driver support windows 98/me/2000/xp, linux environment operating temperature pcl-740,pcl-741,pcl-746+: 0 ~ 50 c (32 ~ 122 f) PCL-743, pcl-745: 0 ~ 65 c (32 ~ 149 f) or der ing in for ma tion pcl-740 rs-232/rs-422/rs-485/current-loop serial interface card pcl-741 iso lat ed dual-port rs-232/current-loop interface card. PCL-743b 2-port rs-422/485 communication card PCL-743s 2-port rs-422/485 communication card with eft surge protection pcl-745b 2-port rs-422/485 communication card with isolation protection pcl-745s 2-port rs-422/485 communication card with isolation and eft surge protection pcl-746+ 4-port rs-232/422/485 communication card (30cm db37 to 4 db25 cable included) pcl-746+/9 4-port rs-232/422/485 communication card (30cm db37 to 4 db9 cable included) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? specif cations general card interface isa certifications ce connectors pcl-740: 1 x db9-m, 1 x db25-m pcl-741, PCL-743, pcl-745: 2 x db9-m pcl-746+: 1 x db37-f dimensions 185 x 100 mm (7.3" x 3.9") power consumption pcl-740: +5 v @ 180 ma max., 12 v @ 20 ma max. pcl-741: +5 v @ 300 ma (typical), +5 v @ 1.1 a max. PCL-743,pcl-745:+5v@400 ma typical, 950 ma max. pcl-746+: +5 v @ 800 ma typical, 1.5 a max. 12 v @ 60 ma typical, 120 ma max. weight (gross) pcl-740,pcl-741, PCL-743, pcl-745: 0.6 kg (1.3 lb) pcl-746+: 1.1 kg (2.4 lb) (including cable) communications data bits 5, 6, 7, 8 data signals rs-232: tx, rx, cts, rts, dtr, dsr, dcd, gnd, ri current loop: tx+, tx-, rx+, rx- rs-422: tx+, tx-, rx+, rx-, gnd, cts+, cts-, rts+, rts- rs-485: data+, data-, gnd i/o address from 200h to 3f8h (for pcl-740/741/743/745) from 000h to 3f8h (for pcl-746+) irq 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15 ports pcl-740: 1, pcl-741: 2 PCL-743, pcl-745: 2 pcl-746+: 4 parity none, even, odd protocols pci-740: rs-232/422/485, current-loop pci-741: rs232, current-loop pci-743, 745: rs-422/485 pci-746+: rs-232/422/485 speed pcl-740, pcl-741: 50 bps ~115.2 kbps (for rs-232/422/485) ? ? ? ? ? ? ? ? ? ? ? ? ? ? pcl-740 pcl-741 PCL-743/745 pcl-746+ rs-232/422/485, current-loop communication card 2-port rs-232, current-loop communication card 2-port rs-422/485 communication cards 4-port rs-232/422/485 communication card rs-232, rs-422, rs-485 or current-loop interface 16c550 uart with 16-byte fifo transmission speeds up to 921.6 kbps flexible i/o address and irq selection irq: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15 complete rs-232 modem control signals supports 4-wire or 2-wire operation for rs-422/485 automatic rs-485 data flow control space reserved for termination resistors supports windows ? 98/me/2000/xp, linux powerful and easy-to-use utility (icom tools) ? ? ? ? ? ? ? ? ? ? ? introduction the pcl-740 offers a versatile range of high speed interfacing options. you can switch its single port between the popular rs-232, long distance rs-422, multi-drop rs-485, or noise-resistant current-loop. the card's 16c550 uart has an on-chip 16-byte fifo buffer for faster and more reliable communication, especially under windows. the pcl-741 provides two isolated rs-232 or current-loop serial ports. you can configure each port individually to rs-232 or current-loop using onboard jumpers. the card has two 16c550 uarts with on-chip 16-byte fifo buffers. the uarts buffer data into 16-byte packets before sending it to the bus. this drastically reduces cpu load and avoids data loss when the system is busy and cannot process the interrupt quickly. these fifo buffers make the pcl-741 especially suitable for high speed serial i/o under windows. onboard optical isolators protect your pc and equipment against damage from ground loops, increasing system reliability in harsh environments. pcl-740 pcl-741
|
