701250
Yokogawa 701250 High-Speed 10 MS/s 12-Bit Isolation Module, 2 ch (HS10M12) for DL750 / DL850 ScopeCorder
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About the 701250
The Yokogawa 701250 (front-panel code HS10M12) is a two-channel isolated voltage input module for Yokogawa ScopeCorder data-acquisition recorders. Each channel has its own isolated BNC input sampled at up to 10 MS/s with 12-bit resolution and a DC to 3 MHz bandwidth, so one slot records two floating signals such as inverter outputs, gate drive or sensor voltages.
Direct input is rated 250 V (DC+AC peak); with the 700929 10:1 isolated probe the module measures up to 600 V with 400 Vrms (CAT I) common mode. Sensitivity runs from 5 mV/div to 20 V/div, DC accuracy is +/-0.5% of 10 div, and a selectable bandwidth limit (500 Hz to 500 kHz) helps reject noise.
Yokogawa's compatibility table lists it for the DL750/DL750P, SL1400, SL1000, DL850/DL850V/DL850E/DL850EV, DL950 and SL2000 (each with a minimum firmware). It is not listed for the DL350. Yokogawa discontinued the 701250 on 29 September 2017 and names the 720250 General Purpose Isolation Module as its replacement.
Frequently asked questions
Which ScopeCorders accept the 701250?
Yokogawa lists the DL750/DL750P (firmware 1.07+), SL1400 (6.51+), SL1000 (1.10+), DL850/DL850V/DL850E/DL850EV (1.01+), DL950 (1.01+) and SL2000 (2.01+). It does not fit the older DL708E/DL716, which use single-channel 7018xx modules such as the 701855.
Why might a DL850 show error 916 with this module?
Yokogawa notes that some 701250/701255 modules shipped on or before July 2007 may need factory rework before use in the DL850 series, and that older mainframe firmware may not recognise a module. Check the module serial number with Yokogawa and update the firmware.
What replaced the 701250?
Yokogawa names the 720250 General Purpose Isolation Module (10 MS/s, 12-bit) as the replacement. The 720250 is listed for the DL850 series (firmware 4.10+), DL350, DL950, SL1000 and SL2000, but not for the DL750.
Is a probe included?
No. Yokogawa states that probes are not included with any module. The 700929 10:1 probe is needed for the 600 V rating.
Documents
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DL850/DL850V plug-in modules bulletin DL850-01EN (Yokogawa)
Datasheet · English · cdn.tmi.yokogawa.com
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Precautions concerning the modules and module/mainframe compatibility table, IM 701250-04E (Yokogawa)
Manual · English · cdn.tmi.yokogawa.com
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DL850E/DL850EV ScopeCorder getting started guide IM DL850E-03EN (Yokogawa)
Manual · English · cdn.tmi.yokogawa.com
Specifications
| Lifecycle | Discontinued 29 Sep 2017; replacement 720250 |
| Input type | Isolated unbalanced, BNC (isolated type) |
| DC accuracy | +/-(0.5% of 10 div) |
| A/D resolution | 12 bit (150 LSB/div) |
| Input channels | 2 |
| Input coupling | AC, DC, GND |
| Bandwidth limit | OFF / 500 Hz / 5 kHz / 50 kHz / 500 kHz |
| Input impedance | 1 MOhm +/-1%, approx. 35 pF |
| Maximum sample rate | 10 MS/s |
| Compatible mainframes | DL750, DL750P, SL1400, SL1000, DL850, DL850V, DL850E, DL850EV, DL950, SL2000 |
| Maximum input voltage | 250 V (DC+AC peak) direct; 600 V (DC+AC peak) with 700929 10:1 probe |
| Frequency range ( 3 dB) | DC to 3 MHz |
| Voltage axis sensitivity | 5 mV/div to 20 V/div |
| Maximum common mode voltage | 42 V (DC+AC peak) direct; 400 Vrms CAT I / 300 Vrms CAT II with 700929 |
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