Genuine ABB 07KT98 GJR5253100R0278 AC31 CPU Module Spare

The Genuine ABB 07KT98 GJR5253100R0278 AC31 CPU Module Spare is a 90-series central processing unit of the ABB Advant Controller 31 (AC31) PLC family. In its Ethernet version (07KT98-ETH, order code GJR5253100R0270), the CPU integrates an Ethernet network interface for TCP/IP communication, alongside 8 analog input channels (0–+5 V / −5–+5 V range family) and support for the CS31 system bus and RS-232. Multiple protocol variants exist — ARCNET, Profibus-DP, Ethernet and combined versions — making 07KT98 the flexible gateway CPU of the AC31 range.

Key Specifications:

• Brand: ABB
• Model: 07KT98
• Order Number: GJR5253100R0270
• Type: PLC Central Processing Unit (Basic Module)
• System: Advant Controller 31 (AC31), 90 series / S90
• Ethernet: Integrated network interface on -ETH variants (TCP/IP)
• Analog Inputs (07KT98-ETH): 8 channels, 0–+5 V, −5–+5 V ranges
• Bus / Ports: CS31 system bus (master), RS-232, plus protocol variants
• Protocol Variants: 07KT98-ARC, -ARC-DP, -ARC-ETH, -ETH-DP
• Ambient Temperature: 0°C to +55°C

Genuine ABB 07KT98 GJR5253100R0278 AC31 CPU Module Spare is the networking-capable CPU of the AC31 range: it runs the control program, masters the CS31 I/O bus and — in the -ETH version — connects directly to plant Ethernet for TCP/IP data exchange with SCADA and other systems. The 07KT98 family's protocol variants (ARCNET, Profibus-DP, Ethernet) let the same CPU generation match different field networks, with 8 analog inputs on board for direct process signal handling. A flexible, documented choice for AC31 stations that need plant-level connectivity.

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