West Control Solutions Pro-EC44 - Manual (Page 257)

Pro-EC44 2-Loop Graphical Profile Controller & Recorder
Pro-EC44 Product Manual - 59540-1 October 2013 Page 250
Single SSR Driver Output 1-3 Output Performance
Positions Optional in Plug-in Modules 1, 2 & 3.
Drive Capability: 1 x Logic / SSR Driver output at >10VDC into 500 Ω minimum.
Isolation: Not isolated from the universal input, Ethernet communications or
other SSR driver outputs.
Dual SSR Driver Output 2-3 Performance
Positions Optional in Plug-in Modules 2 & 3.
Drive Capability: 2 x Logic / SSR Driver outputs* at >10VDC into 500 Ω minimum.
*Dual SSR Driver modules have shared positive terminal.
Isolation: Not isolated from the universal input, Ethernet communications or
other SSR driver outputs.
Triac Output 1-3 Performance
Positions Optional in Plug-in Modules 1, 2 & 3.
Operating Voltage: 20 to 280Vrms @47 to 63Hz.
Current Rating: 0.01 to 1A (full cycle rms on-state @ 25

C); de-rates linearly above
40

C to 0.5A @ 80

C.
Non-repetitive Surge
Current: 25A peak maximum, for <16.6ms.
OFF-State dv/dt: 500V/

s Minimum at Rated Voltage.
OFF-State leakage: 1mA rms Maximum at Rated Voltage.
ON-State Voltage Drop: 1.5V peak Maximum at Rated Current.
Repetitive Peak OFF-
state Voltage, Vdrm: 600V minimum.
Isolation: Reinforced safety isolation from inputs and other outputs.
Single DC Linear Output Types & Ranges
Output
Type Ranges Output
Type Ranges
mA DC 0 to 20mA 4 to 20mA V DC 0 to 5V 0 to 10V
2 to 10V 0 to 10V TxPSU*
DC Linear Output 1, 6-7 Performance
Positions Optional in Plug-in Module 1, and Base Options 6 & 7.
Resolution: Eight bits in 250mS
(10 bits in 1 second typical, >10 bits in >1 second typical).
Update Rate: Every control algorithm execution (10 times per second).
Load Impedance: 0 to 20mA & 4 to 20mA: 500Ω maximum.
0 to 5V, 0 to 10V & 2 to 10V: 500Ω minimum. Short circuit protected.
Accuracy:

0.25% of range at 250 Ω (mA) or 2kΩ (V). Degrades linearly to 
0.5%
for increasing burden (to specification limits).
Over/Under Drive: For 4 to 20mA and 2 to 10V a 2% over/underdrive is applied (3.68 to
20.32mA and 1.84 to 10.16V) when used as control output

Isolation: Reinforced safety isolation from inputs and other outputs.
0 to 10VDC Transmitter
Power Supply* Can be used to provide an adjustable 0.0 to 10.0V (regulated), up to
20mA output to excite external circuits & transmitters.