Adam Equipment Adam-4000 - Manual (Page 24)

RS-485 I/O Modules
4-4
ADAM-4000 Series Common Specifications
Unit: mm
Dimensions Communication
RS-485 (2-wire) to host
Speeds: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps
(ADAM-4080, ADAM-4080D only support up to 38400 bps)
Maximum communication distance: 4000 feet (1.2 km)
Power and communication LED indicator
ASCII command/response protocol (Selected modules with Modbus protocol)
Communication error checking with checksum
Asynchronous data format:
Advantech (ASCII command) protocol: 1 start bit
(parity check, data bit, stop bit) = (None, 8, 1)
Modbus protocol for ADAM-4000 modules: 1 start bit
(parity check, data bit, stop bit) = (None, 8, 1)
Modbus protocol for ADAM-4100 series modules: 1 start bit
(parity check, data bit, stop bit) = (None, 8, 1) (None, 8, 2) (Even, 8, 1) (Odd, 8, 1)
Up to 256 multidrop modules per serial port
Online module insertion and removal
Transient suppression on RS-485 communication lines
Mechanism
Dimensions 70 x 122 x 30 mm (W x H x D)
Enclosure ABS + PC
Mounting DIN 35 rail, stack, wall
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Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com