Description
Gossen Metrawatt M235J – ASi Bus Tester, Diagnostics and Addressing Tool, ASi Version 3.0

- Replaces M235H
- Read-out and selection of slave addresses 0 to 31, 1A to 31A or 1B to 31B for all AS interface slaves
- Measurement of voltage in the AS interface conductor and measurement of operating current for AS-i slaves
- Testing of input and output data from digital and analog slaves in accordance with AS interface specification V3.0, including safety relevant input slaves
- Selection of slave parameters for test purposes and read-back of the parameter echo
- Read-out of the slave profile (IO, ID, ID2)
The METRAHITASI v3.0 is an easy-to-operate addressing and diagnosis device for active AS-i modules and intelligent sensors and actuators in accordance with AS-i version 3.0 including extended addressing mode.
Connection
The METRAHITASI v3.0 is connected to the slaves via cables with an M12 connector (90°) to jack plug or directly to the AS-i bus cable with optional cable Z236C.
Display
The high-contrast liquid crystal display (LCD) with primary and sub-displays keeps the user informed about various conditions.
Primary display (8 characters):
- menu function, current data, error conditions
Sub-display (5 characters):
- status displays
- all assigned slave addresses (0 … 31, A, B) within the system
- Selection overview for slave addressing and diagnosis
Two display modes are possible:
- Slave data can be displayed in direct mode or in S7 mode.
Application, Addressing of ASi Slave

Application, Connection of AS-i System


Main display with 8 digits and additional information This symbol represents the information on the 7-segment display- Address field: Display of assigned AS-i addresses
RETURN / Input confirmation
Up / Increase value
Down / Decrease value
Escape / CancelKey combinations:
Edit function / Write outputs
Device setting
Rotary switch for function selection- M12 sockets for connection of the AS-i slaves
None

Main display with 8 digits and additional information This symbol represents the information on the 7-segment display
RETURN / Input confirmation
Up / Increase value
Down / Decrease value
Escape / Cancel
Edit function / Write outputs
Device setting
Rotary switch for function selection

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