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B&R 8AC125.61-2

BiSS encoder interface (Mode C) for installation in ACOPOS…

MPN: 8AC125.61-2
Category: Plug-in modules

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12-month warranty (new) · 3-month (used/refurbished)
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What is the B&R 8AC125.61-2?

BiSS encoder interface (Mode C) for installation in ACOPOS servo drives

6.25 Mbit/s, 12 V encoder supply

Encoder monitoring

ACOPOS plug-in module, BiSS encoder interface 12 V, baud rate 6.25 Mbit/s

Specifications

General information

Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	Non-compliant
Certifications – UL	cULus E225616; Power conversion equipment
Certifications – KC	Yes
Module type	ACOPOS plug-in module
B&R ID code	0xBD5A
Slot	Slots 2, 3 and 4 (note: The AC125 is an encoder module. It is also possible to connect multiple encoder modules. In this case, the encoder module in the smallest slot automatically serves as motor feedback.)
Max. power consumption	5.8 W

Encoder connection

Electrical isolation – Encoder - ACOPOS	No
Module-side connection	9-pin female DSUB
Status indicators	UP/DN LEDs
Encoder monitoring	Yes
Max. encoder cable length	100 m; Depends on the cross section of the power supply wires in the encoder cable

Encoder power supply

Protective measures – Overload-proof	Yes
Protective measures – Short-circuit proof	Yes
Output voltage	Typ. 12 V
Load capacity	350 mA

Synchronous serial interface

Signal transmission	RS485
Baud rate	6.25 Mbit/s

Ambient conditions

Temperature – Nominal	5 to 40°C
Temperature – Maximum	55°C
Temperature – Storage	-25 to 55°C
Temperature – Transport	-25 to 70°C
Relative humidity – Operation	5 to 85%
Relative humidity – Storage	5 to 95%
Relative humidity – Transport	Max. 95% at 40°C

Downloads & documentation

Official documents from B&R, downloaded directly from the manufacturer.

Data sheets & manuals

Certificates (4)

8AC125.61-2: frequently asked questions

When can 8AC125.61-2 be shipped?

8AC125.61-2 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 8AC125.61-2 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 8AC125.61-2 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 8AC125.61-2, subject to availability and destination.