HID Signo 20 Reader
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Signo 20 Reader
HID Signo-20 HID Signo-20 Wiegand. Red / 1 connects to +12 VDC. Black / 2 connects to Ground (RTN). White / 3 connects to Wiegand Data 1 / Clock / RS-485 A. Green / 4 connects to Wiegand Data 0 / Data / RS-485 B. Orange / 5 connects to LED input (green). Yellow / 6 connects to Beeper input. Blue / 7 connects to Hold input / LED input (blue). Brown / 8 connects to LED input (red). Violet/White / 9 connects to Tamper 2 (RLY2), 0–12 VDC 100 mA. Violet / 10 connects to Tamper 1 (RLY1), 0–12 VDC 100 mA. Bare connects to Drain (pigtail models). HID Signo-20 Wiegand Power Red / 1 +12 VDC Black / 2 Ground (RTN) Data White / 3 Wiegand Data 1 / Clock / RS-4… Green / 4 Wiegand Data 0 / Data / RS-48… Control Orange / 5 LED input (green) Yellow / 6 Beeper input Blue / 7 Hold input / LED input (blue) Brown / 8 LED input (red) Tamper Violet/White / 9 Tamper 2 (RLY2), 0–12 VDC 100… Violet / 10 Tamper 1 (RLY1), 0–12 VDC 100… Shield Bare Drain (pigtail models)
HID Signo-20 Wiegand. Red / 1 connects to +12 VDC. Black / 2 connects to Ground (RTN). White / 3 connects to Wiegand Data 1 / Clock / RS-485 A. Green / 4 connects to Wiegand Data 0 / Data / RS-485 B. Orange / 5 connects to LED input (green). Yellow / 6 connects to Beeper input. Blue / 7 connects to Hold input / LED input (blue). Brown / 8 connects to LED input (red). Violet/White / 9 connects to Tamper 2 (RLY2), 0–12 VDC 100 mA. Violet / 10 connects to Tamper 1 (RLY1), 0–12 VDC 100 mA. Bare connects to Drain (pigtail models).
Terminals Flag
Terminal Group Function Connects to
Red / 1
Power
+12 VDC
Flag
Black / 2
Power
Ground (RTN)
Flag
White / 3
Data
Wiegand Data 1 / Clock / RS-485 A
Flag
Green / 4
Data
Wiegand Data 0 / Data / RS-485 B
Flag
Orange / 5
Control
LED input (green)
Flag
Yellow / 6
Control
Beeper input
Flag
Blue / 7
Control
Hold input / LED input (blue)
Flag
Brown / 8
Control
LED input (red)
Flag
Violet/White / 9
Tamper
Tamper 2 (RLY2), 0–12 VDC 100 mA
Flag
Violet / 10
Tamper
Tamper 1 (RLY1), 0–12 VDC 100 mA
Flag
Bare
Shield
Drain (pigtail models)
Flag
Key specs
Power 12 VDC
Current signo20 60 mA standby avg, 70 mA max avg, 250 mA peak
Temp −35 to 66 °C
Wiegand cable 500 ft 18 AWG, 300 ft 20 AWG
Rs485 4,000 ft bus, 1,640 ft between nodes, 24 AWG (Belden 3107A)
Older iCLASS readers had reversed RS-485 A/B; check when upgrading
OSDP >200 ft or EMI: 120 Ω ±2 Ω across RS-485 ends
Tamper NC, opens when mounting plate removed
How to wire it
Connect Red / 1 to +12 VDC. Connect Black / 2 to Ground (RTN). Connect White / 3 to Wiegand Data 1 / Clock / RS-485 A. Connect Green / 4 to Wiegand Data 0 / Data / RS-485 B. Connect Orange / 5 to LED input (green). Connect Yellow / 6 to Beeper input. Connect Blue / 7 to Hold input / LED input (blue). Connect Brown / 8 to LED input (red). Connect Violet/White / 9 to Tamper 2 (RLY2), 0–12 VDC 100 mA. Connect Violet / 10 to Tamper 1 (RLY1), 0–12 VDC 100 mA. Connect Bare to Drain (pigtail models).
Source
HID Signo Reader Installation Guide (20/20K/40/40K)
· PLT-03704
rev Rev. A.4 (Nov 2022)
Values from PLT-03704 rev Rev. A.4 (Nov 2022).
Verify against the manufacturer's install guide.
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Planning aid only. Values are typical and vary by manufacturer, code edition and jurisdiction. Verify with manufacturer data, NEC/NFPA/TIA and the local AHJ. HireLV is not liable for designs based on these tools.