Slerj SSR-1U, Руководство пользователя, Страница: 64 / 66

SSR-1U User’s Manual
Rev -, 27 Dec 2019
© 2019 Slerj, LLC
64
www.slerj.com
7 Specifications
7.1 Electrical
Min Typical Max Unit
Main Supply Voltage 4.5 32 VDC
Aux (USB) Supply Voltage 4.5 5.0 16 VDC
Supply Current
5 VDC Supply
Idle
1
8 mA
Recording
2
39 mA
Recording
2
– LEDs Off 11 mA
12 VDC Supply
Idle
1
7 mA
Recording
2
22 mA
Recording
2
– LEDs Off 8 mA
24 VDC Supply
Idle
1
12 mA
Recording
2
22 mA
Recording
2
– LEDs Off 13 mA
Digital Input Characteristics
(Channel 3/4 Rx, DI, PI, Res, UEN, USB)
Low level input voltage 1.23 V
High level input voltage 1.88 V
Schmitt trigger hysteresis 200 mV
Weak pull-up equivalent resistor 25 40 55
k

USB D+ and D- voltage range -0.5 6 V
Digital Output Characteristics
(Channel 3/4 Tx, S1-S3)
Low level output voltage (±8mA) 0.4 V
High level output voltage (±8mA) 2.9 V
Low level output voltage (±20mA) 1.3 V
High level output voltage (±20mA) 2.0 V
RS-232 Transmitter Characteristics
(Channels 1 and 2)
Transmitter Output Voltage Range -13.2 13.2 V
Transmitter Output Voltage into 3k

Load
±5 V
RS-232 Receiver Characteristics
(Channels 1 and 2)
Receiver Input Voltage Range -25 25 V
Positive going input threshold voltage 1.5 2.4 V
Negative going input threshold voltage 0.6 1.2 V
1
SanDisk Industrial 8GB Class 10 microSDHC card inserted, but no data being received.
2
SanDisk Industrial 8GB Class 10 microSDHC card inserted, recording three full streams at
115200 baud.