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701855

Yokogawa 701855 High-Speed Isolation Module, 10 MS/s 12-bit, 1 ch, for DL708E / DL716

Kategori Other Automation

Enhet: pcs

Art.nr (normaliserat): 701855

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Om 701855

The Yokogawa 701855 (front-panel abbreviation HS_ISOL) is a single-channel, isolated voltage input module for Yokogawa's DL700-generation plug-in digital scopes: the 8-slot DL708E and the 16-slot DL716. Each module adds one isolated BNC input to the mainframe and digitizes it at up to 10 MS/s with 12-bit resolution.

The input is isolated and unbalanced, with AC, DC and GND coupling, 5 mV/div to 20 V/div sensitivity and a frequency response of DC to 1 MHz. A selectable bandwidth limit (500 Hz to 500 kHz) helps on noisy signals. Used directly it accepts 250 V (DC+AC peak); with Yokogawa's 700929 10:1 isolated probe the range extends to 850 V and 400 Vrms common mode, which suits inverter, motor-drive and power-line measurements where every channel must float independently.

It is not a DL750/DL850 module: those ScopeCorders use the later two-channel 7012xx/7202xx modules, such as the 701250. It is the 12-bit counterpart of the 10-bit 701850 used in the DL708/DL708E, and the DL716 manual notes that the DL708/DL708E modules 701850 and 701851 can also be used in the DL716.

Vanliga frågor

Does the 701855 fit a DL750 or DL850 ScopeCorder?

No. The 701855 belongs to the DL708E and DL716 digital scopes. The DL750 and DL850 series take the 7012xx/7202xx two-channel modules; the closest equivalent there is the 701250 high-speed 10 MS/s 12-bit isolation module.

Which probe gives the full 850 V rating?

Yokogawa's 700929 10:1 probe for isolated BNC inputs. Without it, the direct input is rated 250 V (DC+AC peak) and 42 V common mode.

Can the 701855 use the mainframe's external sample clock?

No. The DL716 manual lists the high-speed modules (701855, 701856 and the older 701850/701851) as not usable with the external clock input.

Dokument

DL708E Digital Scope user's manual IM 701820-01E (Yokogawa)
Manual · English · valuetronics.com

Specifikationer

Input type	Isolated unbalanced, BNC (isolated type)
DC accuracy	+/-(1.5% of 8 div + offset accuracy) at 10 mV/div to 20 V/div
A/D resolution	12 bit (500 LSB/div)
Input channels	1
Input coupling	AC, DC, GND
Bandwidth limit	OFF / 500 Hz / 5 kHz / 50 kHz / 500 kHz
Input impedance	1 MOhm +/-1%, approx. 30 pF
Withstand voltage	3700 VAC for 1 minute, input to earth
Maximum sample rate	10 MS/s
Common mode rejection	80 dB or more at 50/60 Hz (typical)
Compatible mainframes	Yokogawa DL708E, DL716
Maximum input voltage	250 V (DC+AC peak) direct; 850 V (DC+AC peak) with 700929 10:1 probe
Voltage axis sensitivity	5 mV/div to 20 V/div (50 mV/div to 200 V/div with 700929 probe)
Frequency response ( 3 dB)	DC to 1 MHz
Maximum common mode voltage	42 V (DC+AC peak) direct; 400 Vrms with 700929 probe

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