Omega OM-USB-1208FS manual General, Environmental, Mechanical, Main connector and pin out

OM-USB-1208FS User's GuideSpecifications

General

Table 18. General specifications

Parameter	Conditions	Specification
Device type		USB 2.0 full speed
Device compatibility		USB 1.1, USB 2.0

Environmental

	Table 19. Environmental specifications
Operating temperature range	0 to 70 °C
Storage temperature range	-40 to 70 °C
Humidity	0 to 90% non-condensing

Mechanical

	Table 20. Mechanical specifications
Dimensions	79 millimeters (mm) long x 82 mm wide x 25 mm high
USB cable length	3 meters max
User connection length	3 meters max

Main connector and pin out

	Table 21. Main connector specifications
Connector type	Screw terminal
Wire gauge range	16 AWG to 30 AWG

4-channel differential mode

Pin	Signal Name	Pin	Signal Name
1	CH0 IN HI	21	Port A0
2	CH0 IN LO	22	Port A1
3	AGND	23	Port A2
4	CH1 IN HI	24	Port A3
5	CH1 IN LO	25	Port A4
6	AGND	26	Port A5
7	CH2 IN HI	27	Port A6
8	CH2 IN LO	28	Port A7
9	AGND	29	GND
10	CH3 IN HI	30	PC+5V
11	CH3 IN LO	31	GND
12	AGND	32	Port B0
13	D/A OUT 0	33	Port B1
14	D/A OUT 1	34	Port B2
15	AGND	35	Port B3
16	CAL	36	Port B4
17	GND	37	Port B5
18	TRIG_IN	38	Port B6
19	SYNC	39	Port B7
20	CTR	40	GND

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