What is the gain setting for the EXT SIG IN signal of PBZ series?

The gain settings when an external signal is input to EXT SIG IN to be used as an amplifier are as follows:
20 V model: CV -20.00 V/V to +20.00 V/V, CC -20.00 A/V to +20.00 A/V
40 V model: CV -40.0 V/V to +40.0 V/V, CC -10.00 A/V to +10.00 A/V
60 V model: CV -60.0 V/V to +60.0 V/V, CC -6.70 A/V to +6.70 A/V
80 V model: CV -80.0 V/V to +80.0 V/V, CC -5.00 A/V to +5.00 A/V
For the details, read the user’s manual – chapter of Using the EXT SIG IN Signal.