Graphtec GL840 Data sheet
GL840 TERMINAL BLOCKS
EXPANSION INFORMATION
B-564
Terminal
GL840 M GL840 WV
The standard configuration of GL840s come with a detachable terminal.
The Multi-input model (GL840-M) has a removable terminal B-564, and the
Withstand Voltage model (GL840-WV) has a removable terminal B-565.
B-565
Terminal
Example of standard configuration expanded to 40 channels
To add or expand additional channels, the original terminal from the
main body connects with the B-566 Terminal Base allowing you to add
additional terminals for up to 200 channels or 10 terminal blocks.
GL840-M available expansion set items
Item Description Part Number
GL840-M (multi input) Terminal
Extension Terminal Base B-566
Extension Cable (50cm) B-567-05
Extension Cable (2 m) B-567-20
Extension Terminal Base Kit
(Base + Cable)
20ch Extension Terminal Set
(Base + 20ch Terminal)
B-564
B-537
B-538
GL840-WV available expansion set items
GL840-WV High Precision
(withstand voltage) Terminal
Extension Terminal Base B-566
Extension Cable (50cm) B-567-05
Extension Cable (2 m) B-567-20
Extension Terminal Base Kit
20ch Extension Terminal Set
(Base + 20ch Terminal)
Item Description Part Number
B-565
B-537
(Base + Cable)
B-538
GL840-M and GL840-WV
Expandable up to 200 Channels
Remove Terminal
1 2
from main body
Expand channels by
connecting Terminals and Base
Attach the Terminal to the
Terminal Base (B-566)
Extension Cable (B-567)
Expand and extend channels
by connecting Terminals and Base
with Extension Cables
Extension Cable* (B-567)
available in 50cm and 2 m
20ch
20ch
20ch
20ch
20ch
20ch
*Max extension length up to 20 meters
Compatibility and Configurations with GL820
B-537
GL820
Requires B-571
GL820
B-537
GL820
B-537
GL820 Terminal Unit
B-566
B-564
B-566
B-564
B-566
B-564
GL820 Terminal Unit
GL820 with B-564
B-537
GL820
B-537
GL820 Terminal Unit
B-538
GL820 Terminal Unit
Requires B-571
GL820
B-566
GL820 Terminal Unit
B-566
B-564
B-537
B-564
B-538
GL820 Terminal Unit
B-565 (WV Terminal) is not compatible with GL820.
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