MAN0923_Issue 3_04/15
Touchpoint Pro
Operating Instructions
154
10. Specifications
10.6.4 Digital Input Module
Description
4-channel Digital Input Module for switched input devices
Electrical Connection
4 x two-wire Switch Inputs
Supply Voltage
18 – 32 VDC (Supplied from Self Enclosed Low Voltage source only)
Power Consumption
2.8 W maximum (no inputs connected)
Power Dissipation
2.8 W maximum
Field Terminals (TB1–TB4) Ratings
Maximum current of 14 mA through switched input device at 18 – 32 VDC
EOL (End Of Line) Resistance
10 k
Ω
, 0.25 W, ±1%
INL (In–Line) Resistance
2.7 k
Ω
, 0.25 W, ±1%
Switch Input Device supply Voltage (Vs)
Minimum 15 V Maximum 32 V
Switch Input Device supply Current (Is)
Minimum 5 mA for Supervised OC/SC Switch ON condition
Maximum 14 mA for Unsupervised Switch ON condition
Connector Coding
Digital Input Module connectors (TB1–TB4) have coding keys to avoid incorrect wiring
10.6.5 Relay Output Module
Description
4–channel Relay Output Module incorporating 4 single pole change over (SPCO) relays and
24 VDC Auxiliary Power Output
Electrical Connection
4 x SPCO Relay Terminals (TB1 to TB4)
4 x two-wire Auxiliary Output Terminals (TB5 to TB8)
Supply Voltage (Vs)
18 – 32 VDC (Supplied from Self Enclosed Low Voltage source only)
Auxiliary Supply Voltage
Supply Voltage (Vs) – 0.7 V
Auxiliary Supply Current
Maximum 1.5 A
Power Consumption
Maximum 1.5 W (excluding auxiliary power consumption)
Power Dissipation
Maximum 2.3 W
Relay Contacts (TB1–TB4)
Maximum 5 A through one relay contact at 250 VAC / 30 VDC (non–inductive)
Maximum 8 A total through all four relay contacts at 250 VAC / 30 VDC (non–inductive)
Minimum 12 VDC, 10 mA
Connector Coding
Relay output connectors (TB1–TB4) and auxiliary output connectors (TB5–TB8) have coding
keys to avoid incorrect wiring. The relay output connectors (TB1–TB4) are coloured black to
identify them for AC supply wiring
