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ABB 07AC91 GJR5252300R0101 Advant Controller 31 Analog I/O Module

Configured for analog and thermocouple signal acquisition and I/O processing in ABB Advant Controller 31 systems, the ABB 07AC91 GJR5252300R0101 (07AC91 Analog I/O Module) provides direct physical and electrical signal interfacing through its onboard I/O architecture.

Hardware Specifications

Parameter	Specification
Model	07AC91 GJR5252300R0101
Base Model	07AC91
Spare Model	GJR5252300R0101
Brand	ABB
Product Type	Analog I/O Module
Product Parameters	Advant Controller 31 I/O Unit
Series	Advant Controller 31
Origin	Sweden
Manufacturer	ABB
Weight	0.42 kg
Dimensions	13.6 x 12 x 8.4 cm
Estimated Shipping Size	13.6 x 12 x 8.4 cm
Power Supply	24 V DC
Power Consumption	15-40 W
I/O Channels	31 points
Onboard I/O Description	16 inputs/outputs
Input Supply	24 VDC input
Thermocouple Inputs	Supported
Connection Type	Screw terminals
Terminal Construction	Pluggable
Mounting Method	DIN rail mounting
Isolation	500-1500 V AC
Operating Temp	-20 deg C to +70 deg C
Storage Temperature	-40 deg C to +85 deg C
Humidity	5-95% RH, non-condensing
Tariff Code	8537101190

ABB I/O Density and Backplane Integration

The 07AC91 operates as an I/O unit within the ABB Advant Controller 31 architecture. Its hardware configuration combines signal connections and controller-system interfacing within a DIN rail mounted module.

The module provides multiple I/O points and supports thermocouple signal inputs. Consequently, field wiring can terminate through screw terminals while the pluggable terminal construction supports module replacement without permanently disconnecting every field conductor.

The specified isolation range separates applicable electrical circuits and helps limit direct propagation of electrical disturbances between connected sections. In addition, the module requires correct installation within the associated ABB controller architecture and matching system configuration.

Frequently Asked Questions

Q: Does the ABB 07AC91 GJR5252300R0101 support thermocouple signals?
A: Yes. The provided product information identifies thermocouple inputs as a supported input function.

Q: Can the module be mounted directly on a DIN rail?
A: Yes. The 07AC91 is specified for DIN rail mounting. Install the module on a correctly secured industrial DIN rail and verify mechanical retention before energizing the system.

Q: Does the supplied specification confirm hot-swap operation?
A: No. The provided technical data does not specify hot-swap capability. Therefore, module insertion or removal should follow the applicable ABB Advant Controller 31 system power and maintenance procedure.

Field Installation Guidelines

• Mount the 07AC91 securely on the specified DIN rail before connecting field wiring.
• Verify that the 24 V DC supply wiring matches the required polarity and installation documentation.
• Use the screw terminals according to the applicable signal assignment for analog, digital, and thermocouple circuits.
• Route thermocouple and low-level signal wiring separately from high-current power and switching conductors.
• Apply shielding and grounding practices according to the plant grounding architecture and applicable ABB installation documentation.
• Keep field conductors mechanically supported to prevent continuous stress on the pluggable terminal assembly.
• Verify the module seating and terminal engagement before applying system power.
• Confirm that ambient temperature, storage conditions, and humidity remain within the specified limits.
• De-energize the applicable system section before module replacement unless the complete ABB system documentation explicitly permits energized replacement.

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