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The keypad is tested for at least one million presses
RS232 for printers
With its 24V DC operating voltage
facilitating easy installation and integration into the TCD 3000 system
group trip multiply
Yokogawa ALR121-S53 S1 Serial Communication Module Bachmann Power Supply Module The keypad is tested forYokogawa ALR121 S53 S1 Serial Communication Module Manufacturer: Yokogawa Product Number: ALR121 S53 S1 Product Type: Serial Communication Module Origin: Japan Dimensions: 126. 7 32. 8 130 mm Weight: 0. 3 kg Product Overview The Yokogawa ALR121 S53 S1 is a serial communication module designed for integration within Yokogawa Safety Control Stations (SCS) and Field Control Station (FCS) platforms. It supports RS422 (point to point) and RS485
