281 Programmable Hardware Manual (PHM)
© Tibbo Technology Inc.
#05, M1S: RS485 port
#06, M2T: Two high-power relays
#07, M1S: Two solid state relays
#08, M1S: Wiegand and clock/data reader port [INT]
#09, M1S: Low-power 5V supply, 12V input
#10, M1T: Medium-power 5V supply, 12V input
#11, M1S: Four open collector outputs
#12, M1S: Low-power +15/-15V power supply
#13, M1S: Four-channel ADC
#14, M1S: Four-channel DAC
#15, H1S: High-voltage AC solid state relay
#16, M1S: Three PWMs with OC outputs
#17, M1S: Three PWMs with power outputs
#18, C1: Power input
#19, C2: DB9 connector
#20, C2: Nine terminal blocks
#21, C1: Four terminal blocks
#22, M1S: RTD temperature meter
#23, M2T: Isolated PoE [POE] (can be used as generic isolated power supply with
48V input)
#25, M2T: High-power 5V supply, 24V/48V input
#26, M1S: IR command processor
#27, C1: IR receiver/transmitter
#28, C1: Ambient light sensor
#29, C1: Ambient temperature meter
#30, C1: Ambient humidity/temperature meter
#31, M1S: PIC coprocessor
#35, C1:Barometric pressure sensor
#36, C1: 3-axis accelerometer
#37, C1: RF connector
#38, C1: Pushbutton
#39-1~4, C1: Large LED (four colors)
#40-1~4, M1S: Digital potentiometer (four nominals)
#41, C1: 8-bit port
#42, M1S: RTC and NVRAM with backup
#44-1, H2: Isolated RS232/422/485 port (DB9M connector)
#44-2, H2: Isolated RS232/422/485 port (terminal blocks)
#45-1~3, H2: LTE (4G) Modem
#47, H2: GPRS modem
#48, H2: Audio in/out [AUD] [DEPRICATED]
#49, C2: Micro SD card slot [MMC] [DEPRICATED]
#50, C1: Mini Type B USB port [USB] [DEPRICATED]
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