GENERAL SPECIFICATIONS |
RS-422/485 Interface |
Number of Ports |
4 |
Interface |
Isolated RS-422/485 (The RS-422 and RS-485 can not be used simultaneously) RS-422: TxD+, TxD-, RxD+, RxD-, GND RS-485: D+, D-, GND |
2-wire Cabling/4-wire Cabling |
Belden 9841 (2P twisted-pair cable)/Belden 9842 (4P twisted-pair cable), If different cables are used, the transmission distance may change |
Transfer Distance |
Max. of 1,200 m at 9.6 kbps; Max. of 400 m at 115.2 kbps |
4-wire Cabling |
Max. of 256 devices. in a single RS-485 network without using a repeater |
Controller |
16C950 Compatible Speed: 115200 bps max. Data Bit: 5, 6, 7, 8 Stop Bit: 1, 1.5, 2 Parity: None, Even, Odd, Mark, Space FIFO: Internal 128 bytes for each port |
Self-Tuner Asic inside |
Yes |
Bus |
Parallel I/O Module |
Connector |
DB-37 (Female) |
Connector |
Removable 20-Pin Terminal Block |
Intra-module Isolated, Field to Logic |
2500 Vrms |
ESD Protection |
+/-4 kV (Contact for each channel) |
LED Indicators |
Power |
1 LED |
TxD |
4 LEDs |
RxD |
4 LEDs |
Power |
Power Consumption |
1.75 W (Without Resistor) 3 W (With 4 Resistors, 1/4 Watt, 120 O 5%) |
Mechanical |
Dimensions (W x L x H) |
30 mm x 102 mm x 115 mm |
Mechanical |
Operating Temperature |
-25 °C ~ +75 °C |
Storage Temperature |
-30 °C ~ +80 °C |
Humidity |
10 ~ 95% RH, non-condensing |