LCD Pulse Counters – Codix 131
• Low-price and high efficiency
• Large 8-digit LCD display, height of the
figures 8 mm [0.315”]
• Optional backlighting
• Various counting modes such as
Totalizing, Up/ Down and Difference.
• High voltage input for 10 ... 260 V AC/DC
voltage pulses
• Unified Codix design, matches the
extensive Codix family
• IP 65
• Screw terminals, RM 5 mm [0.197“]
• Lifetime of the battery
approximately 8 years
• Locking of the reset key
• Ambient temperature –10 ... +60 °C
[14 °F ... 140 °F]
• For positive and negative count edges,
depending on version
• Filter function for bounce-free counting
with mechanical contacts.
Technical data:
Power supply: non-replaceable lithium battery
(lifetime approximately 8 years at 20°C [68 °F])
Backlighting: external electrical source
24 V DC +/-20 %, 50 mA
Display: LCD, 8 digits, height of the figures 8 mm [0.315]
Mode: adding or subtracting (selectable)
counting direction
differential counting or
Display range: –9999999 ... 99999999, with overflow display
Reset: manual and electrical
EMC: Emitted interference EN55011 Class B
Immunity to interference: EN61000-6-2
Device safety: design to: EN61010 Part 1
protection Class: 2
application area: Soiling Level 2
Housing: dark grey RAL 7021
Operating temperature: –10 ... +55 °C [14 ... 131 °F] non-condensing
Ambient temperature: –10 ... +60 °C [14 ... 140 °F] non-condensing
Storage temperature: –20 ... +70 °C [–4 ... 158 °F]
Altitude: to 2000 m
Protection: IP 65 front
UL certified: File: E128604
Weight: approx. 50 g [1.764 oz]
Counting inputs:
Counting input of the DC-versions (max. 30 V DC)
Fast counting input: max. 12 kHz (PNP), 7 kHz (NPN)
Switching level: NPN: low: 0 ... 0.7 V, high:
3 ... 30 V DC
PNP: low: 0 ... 0.7 V, high:
4 ... 30 V DC
Counting input of the high voltage versions (10 ... 260 V DC/V AC)
Counting input: optocoupler input, max. 30 Hz
Min. pulse time: 16 ms
Switching level: low: 0 ... 2 V DC/V AC, high: 10 ... 260 V DC/V AC
Counting direction switching (only DC-version)
Mode: see order table
Contact input: open collector NPN (switching at 0 V DC)
Switching level: NPN: low: 0 ... 0.7 V, high: 3 ... 5 V DC
Reset Input (only DC and high voltage)
Minimum pulse time: DC: 50 ms, high voltage: 16 ms
Contact input DC: NPN: low: 0 ... 0.7 V, high:
3 ... 30 V DC
High voltage input: 10 ... 260 V DC/V AC
Electrical reset key locking (for DC and AC)
Contact input: open collector NPN (switching at 0 V)
Switching level: NPN: how: 0 ... 0.7 V, high: 3 ... 5 V DC
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