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Technical specifications for SR1220E2
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Manufacturer:Yokogawa
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Product Category:General Automation
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Spare Part Number:SR1220E2
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Estimated shipping dimensions:13x29.7x35cm
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Weight:7.56 kg
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Tariff Code:8537101190
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Counliy of origin:Japan
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DYNASERV size / series:E type, 8-inch DD servo system
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Supply execution:200 V, 50/60 Hz
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Interface:8-bit microcomputer bus
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Model-type selection:CS0 to CS3, TTL level
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Address bus:A0 to A3, TTL level
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Data bus:D0 to D7, TTL level; IOL maximum 24 mA
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Driver operating temperature:0 to 50 deg C
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Driver operating humidity:20 to 90% RH, no condensation
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Documented driver diagnostics:Encoder, power supply, CPU, RAM/ROM, overload and power-amplifier indications
Information
Overview
Manuals
Common Applications
Product Precautions
Yokogawa SR1220E2 controls the paired DR1220E outer-rotor DD servo motor through the DYNASERV 8-bit microcomputer-bus interface architecture.
- SR1220E driver matched to DR1220E motor
- E-type eight-inch DYNASERV platform
- 200 V, 50/60 Hz supply execution
- 8-bit microcomputer bus interface
The driver and motor are adjusted as a pair. Model selection, address-bus and data-bus settings, motor and encoder cabling, grounding and the retained load-control parameters must be restored as one commissioned DYNASERV axis.
Important Notice: Preserve the exact SR1220E2 nameplate string and its paired DR1220E motor. The official archived manual prints the driver base as SR1220E and documents separate supply-voltage executions; do not substitute another SR/DR size or change the adjusted driver-motor combination.
Yokogawa SR1220E2 Manuals & Downloads
Yokogawa SR1220E2 Technical Reference (PDF)Yokogawa SR1220E2 Manufacturer Manual Excerpt (PDF)
The technical reference organizes exact characteristics and engineering boundaries. The manufacturer excerpt presents selected unchanged official pages used for exact-model review.
Indexing equipment
Controls the matched direct-drive axis for repeatable rotary positioning.
Industrial robotics
Provides high-torque direct-drive motion where the validated axis design uses the SR1220E driver.
Factory-automation rotary axes
Interfaces the DYNASERV axis with the documented 8-bit controller bus.
Legacy DYNASERV axis service
Restores the exact driver-motor pairing and retained bus settings without changing the machine design.
Yokogawa SR1220E2 installation checks: retain the exact identity, installed configuration and witnessed acceptance record throughout the work.
1
Confirm SR1220E2 on the driver label and DR1220E on the paired motor.
2
Record CS0-CS3 model selection, A0-A3 address and all D0-D7 bus connections.
3
Back up axis settings and record the original driver-motor cable arrangement.
4
Isolate the 200 V supply and verify the high-voltage section is discharged before access.
5
Do not change the adjusted driver and motor combination during replacement work.
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Ground the driver and protect the magnetic encoder and encoder cable from shock or strong fields.
7
Maintain more than 1 mm clearance between the coupled load and motor upper surface.
8
Verify normal LED state, axis direction, torque, positioning and every machine interlock before release.
Technical notes
Keep SR1220E2 paired with the documented DR1220E motor and preserve the 200 V execution plus microcomputer-bus settings. Before release, verify bus addressing, encoder feedback, normal diagnostics, rotation, positioning, torque response and machine interlocks.
FAQ View All FAQ
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Which product role is documented for Yokogawa SR1220E2?The official DYNASERV manual lists SR1220E as the driver model in the E-type direct-drive servo system.
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Which motor is paired with Yokogawa SR1220E2?The corresponding motor model in the official table is DR1220E.
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Which supply execution applies to Yokogawa SR1220E2?The final 2 code identifies the 200 V, 50/60 Hz driver execution in the documented voltage-variant scheme.
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Which bus interface is used by Yokogawa SR1220E2?The archived manual identifies an 8-bit microcomputer-bus interface with model-selection, address and data lines.
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Which address lines are documented for Yokogawa SR1220E2?The driver table lists A0 through A3 as TTL-level address-bus inputs.
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Which data lines are documented for Yokogawa SR1220E2?The driver table lists D0 through D7 at TTL level with a stated IOL maximum of 24 mA.
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Why must the motor-driver pairing be preserved for Yokogawa SR1220E2?The manual states that the driver is adjusted with the coupled motor and that the combination must not be changed.
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What completes commissioning of Yokogawa SR1220E2?Confirm bus settings, normal LED state, encoder feedback, rotation, positioning, torque response and all machine interlocks under controlled conditions.
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