User manual | Do-more Serial I/O modules

Specialty Modules
H2-SERIO
H2-SERIO
H2-SERIO / H2-SERIO-4 Specifications
H2-SERIO
Module Type
Approvals
Number of Serial
Ports per Module
Signals
Serial Communications Module
cUL Listed, file number E185989
3 ports: all RS-232 (RJ12 jack)
H2-SERIO
H2-SERIO-4
Serial I/O Modules
Add serial ports to your Do-more H2
Series PLC system by simply plugging the
H2-SERIO or H2-SERIO-4 module into
the base.
3 ports: 2 RS-232 ports (RJ12 jack) and 1
RS-422/485 (5 position terminal strip)
RS-232: CTS, RXD, TXD RTS, GND
RTS transmision delay times: 5, 50, 250 and
RS-232: CTS, RXD, TXD RTS, GND
RTS transmision delay times: 5, 50, 250 and 500 ms
500 ms
RS-422 (4 wire) : TX+, TX-, RX-, RX+, GND
RS-485 (2 wire): Data+, Data-, GND
RS-232: ZL-RJ12CBL-2
RS-422: ADC L19853-x (Belden 8103)
RS-485: ADC L19954-x (Belden 9842)
Recommended Cables RS-232: ZL-RJ12CBL-2
Protocols Supported
Power Consumption
Baud Rates
Parity
Start and Stop Bits
Operating
Environment
Storage Temperature
H2-SERIO-4
Do-more programming, K-sequence slave, MODBUS RTU master/slave, serial ASCII
80 mA @ 5 VDC
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
None, odd, even
1, 2
0 to 60°C (32°F to 140°F), 5% to 95% RH (non-condensing); No corrosive gases, Pollution
level 2; Vibration: MIL STD 810C 514.2; Shock: MIL STD 810C 516.2
-20 to 70°C (-4°F to 158°F)
H2-SERIO-4 Wiring: RS-422/485
RS422/485
The H2-SERIO module has three RS-232
ports, while the H2-SERIO-4 module has
two RS-232 ports and one RS-422/485
port.
TXD+
TXD(D-) RXD(D+) RXD+
GND
H2-SERIO(-4) Wiring: RS-232
RS-232
H2-SERIO-4 RS-422 Pin
Descriptions
6 pin RJ12 Phone
Type Jack – both ports
6
1
1
2
3
4
5
H2-SERIO(-4) RS-232 Pin
Descriptions
1
2
3
4
5
6
0V
CTS
RXD
TXD
RTS
0V
Power (-) connection (GND)
Clear to Send
Receive data (RS-232)
Transmit data (RS-232)
Request to Send
Signal Ground (GND)
TXD+
Transmit data
TXD(D-) RXDReceive data
(D+) RXD+
GND
Signal Ground (GND)
H2-SERIO-4 RS-485 Pin
Descriptions
1
2
3
4
5
TXD+
N/A
TXD(D-) RXDTransmit/Receive data
(D+) RXD+
GND
Signal Ground (GND)

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